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Changelog for restic 0.13.0 (2022-03-26)
=======================================
The following sections list the changes in restic 0.13.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1106: Never lock repository for `list locks`
* Fix #2345: Make cache crash-resistant and usable by multiple concurrent processes
* Fix #2452: Improve error handling of repository locking
* Fix #2738: Don't print progress for `backup --json --quiet`
* Fix #3382: Make `check` command honor `RESTIC_CACHE_DIR` environment variable
* Fix #3518: Make `copy` command honor `--no-lock` for source repository
* Fix #3556: Fix hang with Backblaze B2 on SSL certificate authority error
* Fix #3601: Fix rclone backend prematurely exiting when receiving SIGINT on Windows
* Fix #3667: The `mount` command now reports symlinks sizes
* Fix #3488: `rebuild-index` failed if an index file was damaged
* Fix #3591: Fix handling of `prune --max-repack-size=0`
* Fix #3619: Avoid choosing parent snapshots newer than time of new snapshot
* Chg #3641: Ignore parent snapshot for `backup --stdin`
* Chg #3519: Require Go 1.14 or newer
* Enh #1542: Add `--dry-run`/`-n` option to `backup` command
* Enh #2202: Add upload checksum for Azure, GS, S3 and Swift backends
* Enh #233: Support negative include/exclude patterns
* Enh #2388: Add warning for S3 if partial credentials are provided
* Enh #2508: Support JSON output and quiet mode for the `diff` command
* Enh #2656: Add flag to disable TLS verification for self-signed certificates
* Enh #3003: Atomic uploads for the SFTP backend
* Enh #3127: Add xattr (extended attributes) support for Solaris
* Enh #3464: Skip lock creation on `forget` if `--no-lock` and `--dry-run`
* Enh #3490: Support random subset by size in `check --read-data-subset`
* Enh #3541: Improve handling of temporary B2 delete errors
* Enh #3542: Add file mode in symbolic notation to `ls --json`
* Enh #2594: Speed up the `restore --verify` command
* Enh #2816: The `backup` command no longer updates file access times on Linux
* Enh #2880: Make `recover` collect only unreferenced trees
* Enh #3429: Verify that new or modified keys are stored correctly
* Enh #3436: Improve local backend's resilience to (system) crashes
* Enh #3508: Cache blobs read by the `dump` command
* Enh #3511: Support configurable timeout for the rclone backend
* Enh #3593: Improve `copy` performance by parallelizing IO
Details
-------
* Bugfix #1106: Never lock repository for `list locks`
The `list locks` command previously locked to the repository by default. This had the problem
that it wouldn't work for an exclusively locked repository and that the command would also
display its own lock file which can be confusing.
Now, the `list locks` command never locks the repository.
https://github.com/restic/restic/issues/1106
https://github.com/restic/restic/pull/3665
* Bugfix #2345: Make cache crash-resistant and usable by multiple concurrent processes
The restic cache directory (`RESTIC_CACHE_DIR`) could end up in a broken state in the event of
restic (or the OS) crashing. This is now less likely to occur as files are downloaded to a
temporary location before being moved to their proper location.
This also allows multiple concurrent restic processes to operate on a single repository
without conflicts. Previously, concurrent operations could cause segfaults because the
processes saw each other's partially downloaded files.
https://github.com/restic/restic/issues/2345
https://github.com/restic/restic/pull/2838
* Bugfix #2452: Improve error handling of repository locking
Previously, when the lock refresh failed to delete the old lock file, it forgot about the newly
created one. Instead it continued trying to delete the old (usually no longer existing) lock
file and thus over time lots of lock files accumulated. This has now been fixed.
https://github.com/restic/restic/issues/2452
https://github.com/restic/restic/issues/2473
https://github.com/restic/restic/issues/2562
https://github.com/restic/restic/pull/3512
* Bugfix #2738: Don't print progress for `backup --json --quiet`
Unlike the text output, the `--json` output format still printed progress information even in
`--quiet` mode. This has now been fixed by always disabling the progress output in quiet mode.
https://github.com/restic/restic/issues/2738
https://github.com/restic/restic/pull/3264
* Bugfix #3382: Make `check` command honor `RESTIC_CACHE_DIR` environment variable
Previously, the `check` command didn't honor the `RESTIC_CACHE_DIR` environment variable,
which caused problems in certain system/usage configurations. This has now been fixed.
https://github.com/restic/restic/issues/3382
https://github.com/restic/restic/pull/3474
* Bugfix #3518: Make `copy` command honor `--no-lock` for source repository
The `copy` command previously did not respect the `--no-lock` option for the source
repository, causing failures with read-only storage backends. This has now been fixed such
that the option is now respected.
https://github.com/restic/restic/issues/3518
https://github.com/restic/restic/pull/3589
* Bugfix #3556: Fix hang with Backblaze B2 on SSL certificate authority error
Previously, if a request failed with an SSL unknown certificate authority error, the B2
backend retried indefinitely and restic would appear to hang.
This has now been fixed and restic instead fails with an error message.
https://github.com/restic/restic/issues/3556
https://github.com/restic/restic/issues/2355
https://github.com/restic/restic/pull/3571
* Bugfix #3601: Fix rclone backend prematurely exiting when receiving SIGINT on Windows
Previously, pressing Ctrl+C in a Windows console where restic was running with rclone as the
backend would cause rclone to exit prematurely due to getting a `SIGINT` signal at the same time
as restic. Restic would then wait for a long time for time with "unexpected EOF" and "rclone
stdio connection already closed" errors.
This has now been fixed by restic starting the rclone process detached from the console restic
runs in (similar to starting processes in a new process group on Linux), which enables restic to
gracefully clean up rclone (which now never gets the `SIGINT`).
https://github.com/restic/restic/issues/3601
https://github.com/restic/restic/pull/3602
* Bugfix #3667: The `mount` command now reports symlinks sizes
Symlinks used to have size zero in restic mountpoints, confusing some third-party tools. They
now have a size equal to the byte length of their target path, as required by POSIX.
https://github.com/restic/restic/issues/3667
https://github.com/restic/restic/pull/3668
* Bugfix #3488: `rebuild-index` failed if an index file was damaged
Previously, the `rebuild-index` command would fail with an error if an index file was damaged
or truncated. This has now been fixed.
On older restic versions, a (slow) workaround is to use `rebuild-index --read-all-packs` or
to manually delete the damaged index.
https://github.com/restic/restic/pull/3488
* Bugfix #3591: Fix handling of `prune --max-repack-size=0`
Restic ignored the `--max-repack-size` option when passing a value of 0. This has now been
fixed.
As a workaround, `--max-repack-size=1` can be used with older versions of restic.
https://github.com/restic/restic/pull/3591
* Bugfix #3619: Avoid choosing parent snapshots newer than time of new snapshot
The `backup` command, when a `--parent` was not provided, previously chose the most recent
matching snapshot as the parent snapshot. However, this didn't make sense when the user passed
`--time` to create a new snapshot older than the most recent snapshot.
Instead, `backup` now chooses the most recent snapshot which is not newer than the
snapshot-being-created's timestamp, to avoid any time travel.
https://github.com/restic/restic/pull/3619
* Change #3641: Ignore parent snapshot for `backup --stdin`
Restic uses a parent snapshot to speed up directory scanning when performing backups, but this
only wasted time and memory when the backup source is stdin (using the `--stdin` option of the
`backup` command), since no directory scanning is performed in this case.
Snapshots made with `backup --stdin` no longer have a parent snapshot, which allows restic to
skip some startup operations and saves a bit of resources.
The `--parent` option is still available for `backup --stdin`, but is now ignored.
https://github.com/restic/restic/issues/3641
https://github.com/restic/restic/pull/3645
* Change #3519: Require Go 1.14 or newer
Restic now requires Go 1.14 to build. This allows it to use new standard library features
instead of an external dependency.
https://github.com/restic/restic/issues/3519
* Enhancement #1542: Add `--dry-run`/`-n` option to `backup` command
Testing exclude filters and other configuration options was error prone as wrong filters
could cause files to be uploaded unintentionally. It was also not possible to estimate
beforehand how much data would be uploaded.
The `backup` command now has a `--dry-run`/`-n` option, which performs all the normal steps of
a backup without actually writing anything to the repository.
Passing -vv will log information about files that would be added, allowing for verification of
source and exclusion options before running the real backup.
https://github.com/restic/restic/issues/1542
https://github.com/restic/restic/pull/2308
https://github.com/restic/restic/pull/3210
https://github.com/restic/restic/pull/3300
* Enhancement #2202: Add upload checksum for Azure, GS, S3 and Swift backends
Previously only the B2 and partially the Swift backends verified the integrity of uploaded
(encrypted) files. The verification works by informing the backend about the expected hash of
the uploaded file. The backend then verifies the upload and thereby rules out any data
corruption during upload.
We have now added upload checksums for the Azure, GS, S3 and Swift backends, which besides
integrity checking for uploads also means that restic can now be used to store backups in S3
buckets which have Object Lock enabled.
https://github.com/restic/restic/issues/2202
https://github.com/restic/restic/issues/2700
https://github.com/restic/restic/issues/3023
https://github.com/restic/restic/pull/3246
* Enhancement #233: Support negative include/exclude patterns
If a pattern starts with an exclamation mark and it matches a file that was previously matched by
a regular pattern, the match is cancelled. Notably, this can be used with `--exclude-file` to
cancel the exclusion of some files.
It works similarly to `.gitignore`, with the same limitation; Once a directory is excluded, it
is not possible to include files inside the directory.
Example of use as an exclude pattern for the `backup` command:
$HOME/**/* !$HOME/Documents !$HOME/code !$HOME/.emacs.d !$HOME/games # [...]
node_modules *~ *.o *.lo *.pyc # [...] $HOME/code/linux/* !$HOME/code/linux/.git # [...]
https://github.com/restic/restic/issues/233
https://github.com/restic/restic/pull/2311
* Enhancement #2388: Add warning for S3 if partial credentials are provided
Previously restic did not notify about incomplete credentials when using the S3 backend,
instead just reporting access denied.
Restic now checks that both the AWS key ID and secret environment variables are set before
connecting to the remote server, and reports an error if not.
https://github.com/restic/restic/issues/2388
https://github.com/restic/restic/pull/3532
* Enhancement #2508: Support JSON output and quiet mode for the `diff` command
The `diff` command now supports outputting machine-readable output in JSON format. To enable
this, pass the `--json` option to the command. To only print the summary and suppress detailed
output, pass the `--quiet` option.
https://github.com/restic/restic/issues/2508
https://github.com/restic/restic/pull/3592
* Enhancement #2656: Add flag to disable TLS verification for self-signed certificates
There is now an `--insecure-tls` global option in restic, which disables TLS verification for
self-signed certificates in order to support some development workflows.
https://github.com/restic/restic/issues/2656
https://github.com/restic/restic/pull/2657
* Enhancement #3003: Atomic uploads for the SFTP backend
The SFTP backend did not upload files atomically. An interrupted upload could leave an
incomplete file behind which could prevent restic from accessing the repository. This has now
been fixed and uploads in the SFTP backend are done atomically.
https://github.com/restic/restic/issues/3003
https://github.com/restic/restic/pull/3524
* Enhancement #3127: Add xattr (extended attributes) support for Solaris
Restic now supports xattr for the Solaris operating system.
https://github.com/restic/restic/issues/3127
https://github.com/restic/restic/pull/3628
* Enhancement #3464: Skip lock creation on `forget` if `--no-lock` and `--dry-run`
Restic used to silently ignore the `--no-lock` option of the `forget` command.
It now skips creation of lock file in case both `--dry-run` and `--no-lock` are specified. If
`--no-lock` option is specified without `--dry-run`, restic prints a warning message to
stderr.
https://github.com/restic/restic/issues/3464
https://github.com/restic/restic/pull/3623
* Enhancement #3490: Support random subset by size in `check --read-data-subset`
The `--read-data-subset` option of the `check` command now supports a third way of specifying
the subset to check, namely `nS` where `n` is a size in bytes with suffix `S` as k/K, m/M, g/G or
t/T.
https://github.com/restic/restic/issues/3490
https://github.com/restic/restic/pull/3548
* Enhancement #3541: Improve handling of temporary B2 delete errors
Deleting files on B2 could sometimes fail temporarily, which required restic to retry the
delete operation. In some cases the file was deleted nevertheless, causing the retries and
ultimately the restic command to fail. This has now been fixed.
https://github.com/restic/restic/issues/3541
https://github.com/restic/restic/pull/3544
* Enhancement #3542: Add file mode in symbolic notation to `ls --json`
The `ls --json` command now provides the file mode in symbolic notation (using the
`permissions` key), aligned with `find --json`.
https://github.com/restic/restic/issues/3542
https://github.com/restic/restic/pull/3573
https://forum.restic.net/t/restic-ls-understanding-file-mode-with-json/4371
* Enhancement #2594: Speed up the `restore --verify` command
The `--verify` option lets the `restore` command verify the file content after it has restored
a snapshot. The performance of this operation has now been improved by up to a factor of two.
https://github.com/restic/restic/pull/2594
* Enhancement #2816: The `backup` command no longer updates file access times on Linux
When reading files during backup, restic used to cause the operating system to update the
files' access times. Note that this did not apply to filesystems with disabled file access
times.
Restic now instructs the operating system not to update the file access time, if the user
running restic is the file owner or has root permissions.
https://github.com/restic/restic/pull/2816
* Enhancement #2880: Make `recover` collect only unreferenced trees
Previously, the `recover` command used to generate a snapshot containing *all* root trees,
even those which were already referenced by a snapshot.
This has been improved such that it now only processes trees not already referenced by any
snapshot.
https://github.com/restic/restic/pull/2880
* Enhancement #3429: Verify that new or modified keys are stored correctly
When adding a new key or changing the password of a key, restic used to just create the new key (and
remove the old one, when changing the password). There was no verification that the new key was
stored correctly and works properly. As the repository cannot be decrypted without a valid key
file, this could in rare cases cause the repository to become inaccessible.
Restic now checks that new key files actually work before continuing. This can protect against
some (rare) cases of hardware or storage problems.
https://github.com/restic/restic/pull/3429
* Enhancement #3436: Improve local backend's resilience to (system) crashes
Restic now ensures that files stored using the `local` backend are created atomically (that
is, files are either stored completely or not at all). This ensures that no incomplete files are
left behind even if restic is terminated while writing a file.
In addition, restic now tries to ensure that the directory in the repository which contains a
newly uploaded file is also written to disk. This can prevent missing files if the system
crashes or the disk is not properly unmounted.
https://github.com/restic/restic/pull/3436
* Enhancement #3508: Cache blobs read by the `dump` command
When dumping a file using the `dump` command, restic did not cache blobs in any way, so even
consecutive runs of the same blob were loaded from the repository again and again, slowing down
the dump.
Now, the caching mechanism already used by the `fuse` command is also used by the `dump`
command. This makes dumping much faster, especially for sparse files.
https://github.com/restic/restic/pull/3508
* Enhancement #3511: Support configurable timeout for the rclone backend
A slow rclone backend could cause restic to time out while waiting for the repository to open.
Restic now offers an `-o rclone.timeout` option to make this timeout configurable.
https://github.com/restic/restic/issues/3511
https://github.com/restic/restic/pull/3514
* Enhancement #3593: Improve `copy` performance by parallelizing IO
Restic copy previously only used a single thread for copying blobs between repositories,
which resulted in limited performance when copying small blobs to/from a high latency backend
(i.e. any remote backend, especially b2).
Copying will now use 8 parallel threads to increase the throughput of the copy operation.
https://github.com/restic/restic/pull/3593
Changelog for restic 0.12.1 (2021-08-03)
=======================================
The following sections list the changes in restic 0.12.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #2742: Improve error handling for rclone and REST backend over HTTP2
* Fix #3111: Fix terminal output redirection for PowerShell
* Fix #3214: Treat an empty password as a fatal error for repository init
* Fix #3267: `copy` failed to copy snapshots in rare cases
* Fix #3184: `backup --quiet` no longer prints status information
* Fix #3296: Fix crash of `check --read-data-subset=x%` run for an empty repository
* Fix #3302: Fix `fdopendir: not a directory` error for local backend
* Fix #3334: Print `created new cache` message only on a terminal
* Fix #3380: Fix crash of `backup --exclude='**'`
* Fix #3305: Fix possibly missing backup summary of JSON output in case of error
* Fix #3439: Correctly handle download errors during `restore`
* Chg #3247: Empty files now have size of 0 in `ls --json` output
* Enh #2780: Add release binaries for s390x architecture on Linux
* Enh #3293: Add `--repository-file2` option to `init` and `copy` command
* Enh #3312: Add auto-completion support for fish
* Enh #3336: SFTP backend now checks for disk space
* Enh #3377: Add release binaries for Apple Silicon
* Enh #3414: Add `--keep-within-hourly` option to restic forget
* Enh #3456: Support filtering and specifying untagged snapshots
* Enh #3167: Allow specifying limit of `snapshots` list
* Enh #3426: Optimize read performance of mount command
* Enh #3427: `find --pack` fallback to index if data file is missing
Details
-------
* Bugfix #2742: Improve error handling for rclone and REST backend over HTTP2
When retrieving data from the rclone / REST backend while also using HTTP2 restic did not detect
when no data was returned at all. This could cause for example the `check` command to report the
following error:
Pack ID does not match, want [...], got e3b0c442
This has been fixed by correctly detecting and retrying the incomplete download.
https://github.com/restic/restic/issues/2742
https://github.com/restic/restic/pull/3453
https://forum.restic.net/t/http2-stream-closed-connection-reset-context-canceled/3743/10
* Bugfix #3111: Fix terminal output redirection for PowerShell
When redirecting the output of restic using PowerShell on Windows, the output contained
terminal escape characters. This has been fixed by properly detecting the terminal type.
In addition, the mintty terminal now shows progress output for the backup command.
https://github.com/restic/restic/issues/3111
https://github.com/restic/restic/pull/3325
* Bugfix #3214: Treat an empty password as a fatal error for repository init
When attempting to initialize a new repository, if an empty password was supplied, the
repository would be created but the init command would return an error with a stack trace. Now,
if an empty password is provided, it is treated as a fatal error, and no repository is created.
https://github.com/restic/restic/issues/3214
https://github.com/restic/restic/pull/3283
* Bugfix #3267: `copy` failed to copy snapshots in rare cases
The `copy` command could in rare cases fail with the error message `SaveTree(...) returned
unexpected id ...`. This has been fixed.
On Linux/BSDs, the error could be caused by backing up symlinks with non-UTF-8 target paths.
Note that, due to limitations in the repository format, these are not stored properly and
should be avoided if possible.
https://github.com/restic/restic/issues/3267
https://github.com/restic/restic/pull/3310
* Bugfix #3184: `backup --quiet` no longer prints status information
A regression in the latest restic version caused the output of `backup --quiet` to contain
large amounts of backup progress information when run using an interactive terminal. This is
fixed now.
A workaround for this bug is to run restic as follows: `restic backup --quiet [..] | cat -`.
https://github.com/restic/restic/issues/3184
https://github.com/restic/restic/pull/3186
* Bugfix #3296: Fix crash of `check --read-data-subset=x%` run for an empty repository
The command `restic check --read-data-subset=x%` crashed when run for an empty repository.
This has been fixed.
https://github.com/restic/restic/issues/3296
https://github.com/restic/restic/pull/3309
* Bugfix #3302: Fix `fdopendir: not a directory` error for local backend
The `check`, `list packs`, `prune` and `rebuild-index` commands failed for the local backend
when the `data` folder in the repository contained files. This has been fixed.
https://github.com/restic/restic/issues/3302
https://github.com/restic/restic/pull/3308
* Bugfix #3334: Print `created new cache` message only on a terminal
The message `created new cache` was printed even when the output wasn't a terminal. That broke
piping `restic dump` output to tar or zip if cache directory didn't exist. The message is now
only printed on a terminal.
https://github.com/restic/restic/issues/3334
https://github.com/restic/restic/pull/3343
* Bugfix #3380: Fix crash of `backup --exclude='**'`
The exclude filter `**`, which excludes all files, caused restic to crash. This has been
corrected.
https://github.com/restic/restic/issues/3380
https://github.com/restic/restic/pull/3393
* Bugfix #3305: Fix possibly missing backup summary of JSON output in case of error
When using `--json` output it happened from time to time that the summary output was missing in
case an error occurred. This has been fixed.
https://github.com/restic/restic/pull/3305
* Bugfix #3439: Correctly handle download errors during `restore`
Due to a regression in restic 0.12.0, the `restore` command in some cases did not retry download
errors and only printed a warning. This has been fixed by retrying incomplete data downloads.
https://github.com/restic/restic/issues/3439
https://github.com/restic/restic/pull/3449
* Change #3247: Empty files now have size of 0 in `ls --json` output
The `ls --json` command used to omit the sizes of empty files in its output. It now reports a size
of zero explicitly for regular files, while omitting the size field for all other types.
https://github.com/restic/restic/issues/3247
https://github.com/restic/restic/pull/3257
* Enhancement #2780: Add release binaries for s390x architecture on Linux
We've added release binaries for Linux using the s390x architecture.
https://github.com/restic/restic/issues/2780
https://github.com/restic/restic/pull/3452
* Enhancement #3293: Add `--repository-file2` option to `init` and `copy` command
The `init` and `copy` command can now be used with the `--repository-file2` option or the
`$RESTIC_REPOSITORY_FILE2` environment variable. These to options are in addition to the
`--repo2` flag and allow you to read the destination repository from a file.
Using both `--repository-file` and `--repo2` options resulted in an error for the `copy` or
`init` command. The handling of this combination of options has been fixed. A workaround for
this issue is to only use `--repo` or `-r` and `--repo2` for `init` or `copy`.
https://github.com/restic/restic/issues/3293
https://github.com/restic/restic/pull/3294
* Enhancement #3312: Add auto-completion support for fish
The `generate` command now supports fish auto completion.
https://github.com/restic/restic/pull/3312
* Enhancement #3336: SFTP backend now checks for disk space
Backing up over SFTP previously spewed multiple generic "failure" messages when the remote
disk was full. It now checks for disk space before writing a file and fails immediately with a "no
space left on device" message.
https://github.com/restic/restic/issues/3336
https://github.com/restic/restic/pull/3345
* Enhancement #3377: Add release binaries for Apple Silicon
We've added release binaries for macOS on Apple Silicon (M1).
https://github.com/restic/restic/issues/3377
https://github.com/restic/restic/pull/3394
* Enhancement #3414: Add `--keep-within-hourly` option to restic forget
The `forget` command allowed keeping a given number of hourly backups or to keep all backups
within a given interval, but it was not possible to specify keeping hourly backups within a
given interval.
The new `--keep-within-hourly` option now offers this functionality. Similar options for
daily/weekly/monthly/yearly are also implemented, the new options are:
--keep-within-hourly <1y2m3d4h> --keep-within-daily <1y2m3d4h> --keep-within-weekly
<1y2m3d4h> --keep-within-monthly <1y2m3d4h> --keep-within-yearly <1y2m3d4h>
https://github.com/restic/restic/issues/3414
https://github.com/restic/restic/pull/3416
https://forum.restic.net/t/forget-policy/4014/11
* Enhancement #3456: Support filtering and specifying untagged snapshots
It was previously not possible to specify an empty tag with the `--tag` and `--keep-tag`
options. This has now been fixed, such that `--tag ''` and `--keep-tag ''` now matches
snapshots without tags. This allows e.g. the `snapshots` and `forget` commands to only
operate on untagged snapshots.
https://github.com/restic/restic/issues/3456
https://github.com/restic/restic/pull/3457
* Enhancement #3167: Allow specifying limit of `snapshots` list
The `--last` option allowed limiting the output of the `snapshots` command to the latest
snapshot for each host. The new `--latest n` option allows limiting the output to the latest `n`
snapshots.
This change deprecates the option `--last` in favour of `--latest 1`.
https://github.com/restic/restic/pull/3167
* Enhancement #3426: Optimize read performance of mount command
Reading large files in a mounted repository may be up to five times faster. This improvement
primarily applies to repositories stored at a backend that can be accessed with low latency,
like e.g. the local backend.
https://github.com/restic/restic/pull/3426
* Enhancement #3427: `find --pack` fallback to index if data file is missing
When investigating a repository with missing data files, it might be useful to determine
affected snapshots before running `rebuild-index`. Previously, `find --pack pack-id`
returned no data as it required accessing the data file. Now, if the necessary data is still
available in the repository index, it gets retrieved from there.
The command now also supports looking up multiple pack files in a single `find` run.
https://github.com/restic/restic/pull/3427
https://forum.restic.net/t/missing-packs-not-found/2600
Changelog for restic 0.12.0 (2021-02-14)
=======================================
The following sections list the changes in restic 0.12.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1681: Make `mount` not create missing mount point directory
* Fix #1800: Ignore `no data available` filesystem error during backup
* Fix #2563: Report the correct owner of directories in FUSE mounts
* Fix #2688: Make `backup` and `tag` commands separate tags by comma
* Fix #2739: Make the `cat` command respect the `--no-lock` option
* Fix #3087: The `--use-fs-snapshot` option now works on windows/386
* Fix #3100: Do not require gs bucket permissions when running `init`
* Fix #3111: Correctly detect output redirection for `backup` command on Windows
* Fix #3151: Don't create invalid snapshots when `backup` is interrupted
* Fix #3166: Improve error handling in the `restore` command
* Fix #3232: Correct statistics for overlapping targets
* Fix #3014: Fix sporadic stream reset between rclone and restic
* Fix #3152: Do not hang until foregrounded when completed in background
* Fix #3249: Improve error handling in `gs` backend
* Chg #3095: Deleting files on Google Drive now moves them to the trash
* Enh #2186: Allow specifying percentage in `check --read-data-subset`
* Enh #2453: Report permanent/fatal backend errors earlier
* Enh #2528: Add Alibaba/Aliyun OSS support in the `s3` backend
* Enh #2706: Configurable progress reports for non-interactive terminals
* Enh #2944: Add `backup` options `--files-from-{verbatim,raw}`
* Enh #3083: Allow usage of deprecated S3 `ListObjects` API
* Enh #3147: Support additional environment variables for Swift authentication
* Enh #3191: Add release binaries for MIPS architectures
* Enh #909: Back up mountpoints as empty directories
* Enh #3250: Add several more error checks
* Enh #2718: Improve `prune` performance and make it more customizable
* Enh #2495: Add option to let `backup` trust mtime without checking ctime
* Enh #2941: Speed up the repacking step of the `prune` command
* Enh #3006: Speed up the `rebuild-index` command
* Enh #3048: Add more checks for index and pack files in the `check` command
* Enh #2433: Make the `dump` command support `zip` format
* Enh #3099: Reduce memory usage of `check` command
* Enh #3106: Parallelize scan of snapshot content in `copy` and `prune`
* Enh #3130: Parallelize reading of locks and snapshots
* Enh #3254: Enable HTTP/2 for backend connections
Details
-------
* Bugfix #1681: Make `mount` not create missing mount point directory
When specifying a non-existent directory as mount point for the `mount` command, restic used
to create the specified directory automatically.
This has now changed such that restic instead gives an error when the specified directory for
the mount point does not exist.
https://github.com/restic/restic/issues/1681
https://github.com/restic/restic/pull/3008
* Bugfix #1800: Ignore `no data available` filesystem error during backup
Restic was unable to backup files on some filesystems, for example certain configurations of
CIFS on Linux which return a `no data available` error when reading extended attributes. These
errors are now ignored.
https://github.com/restic/restic/issues/1800
https://github.com/restic/restic/pull/3034
* Bugfix #2563: Report the correct owner of directories in FUSE mounts
Restic 0.10.0 changed the FUSE mount to always report the current user as the owner of
directories within the FUSE mount, which is incorrect.
This is now changed back to reporting the correct owner of a directory.
https://github.com/restic/restic/issues/2563
https://github.com/restic/restic/pull/3141
* Bugfix #2688: Make `backup` and `tag` commands separate tags by comma
Running `restic backup --tag foo,bar` previously created snapshots with one single tag
containing a comma (`foo,bar`) instead of two tags (`foo`, `bar`).
Similarly, the `tag` command's `--set`, `--add` and `--remove` options would treat
`foo,bar` as one tag instead of two tags. This was inconsistent with other commands and often
unexpected when one intended `foo,bar` to mean two tags.
To be consistent in all commands, restic now interprets `foo,bar` to mean two separate tags
(`foo` and `bar`) instead of one tag (`foo,bar`) everywhere, including in the `backup` and
`tag` commands.
NOTE: This change might result in unexpected behavior in cases where you use the `forget`
command and filter on tags like `foo,bar`. Snapshots previously backed up with `--tag
foo,bar` will still not match that filter, but snapshots saved from now on will match that
filter.
To replace `foo,bar` tags with `foo` and `bar` tags in old snapshots, you can first generate a
list of the relevant snapshots using a command like:
Restic snapshots --json --quiet | jq '.[] | select(contains({tags: ["foo,bar"]})) | .id'
And then use `restic tag --set foo --set bar snapshotID [...]` to set the new tags. Please adjust
the commands to include real tag names and any additional tags, as well as the list of snapshots
to process.
https://github.com/restic/restic/issues/2688
https://github.com/restic/restic/pull/2690
https://github.com/restic/restic/pull/3197
* Bugfix #2739: Make the `cat` command respect the `--no-lock` option
The `cat` command would not respect the `--no-lock` flag. This is now fixed.
https://github.com/restic/restic/issues/2739
* Bugfix #3087: The `--use-fs-snapshot` option now works on windows/386
Restic failed to create VSS snapshots on windows/386 with the following error:
GetSnapshotProperties() failed: E_INVALIDARG (0x80070057)
This is now fixed.
https://github.com/restic/restic/issues/3087
https://github.com/restic/restic/pull/3090
* Bugfix #3100: Do not require gs bucket permissions when running `init`
Restic used to require bucket level permissions for the `gs` backend in order to initialize a
restic repository.
It now allows a `gs` service account to initialize a repository if the bucket does exist and the
service account has permissions to write/read to that bucket.
https://github.com/restic/restic/issues/3100
* Bugfix #3111: Correctly detect output redirection for `backup` command on Windows
On Windows, since restic 0.10.0 the `backup` command did not properly detect when the output
was redirected to a file. This caused restic to output terminal control characters. This has
been fixed by correcting the terminal detection.
https://github.com/restic/restic/issues/3111
https://github.com/restic/restic/pull/3150
* Bugfix #3151: Don't create invalid snapshots when `backup` is interrupted
When canceling a backup run at a certain moment it was possible that restic created a snapshot
with an invalid "null" tree. This caused `check` and other operations to fail. The `backup`
command now properly handles interruptions and never saves a snapshot when interrupted.
https://github.com/restic/restic/issues/3151
https://github.com/restic/restic/pull/3164
* Bugfix #3166: Improve error handling in the `restore` command
The `restore` command used to not print errors while downloading file contents from the
repository. It also incorrectly exited with a zero error code even when there were errors
during the restore process. This has all been fixed and `restore` now returns with a non-zero
exit code when there's an error.
https://github.com/restic/restic/issues/3166
https://github.com/restic/restic/pull/3207
* Bugfix #3232: Correct statistics for overlapping targets
A user reported that restic's statistics and progress information during backup was not
correctly calculated when the backup targets (files/dirs to save) overlap. For example,
consider a directory `foo` which contains (among others) a file `foo/bar`. When `restic
backup foo foo/bar` was run, restic counted the size of the file `foo/bar` twice, so the
completeness percentage as well as the number of files was wrong. This is now corrected.
https://github.com/restic/restic/issues/3232
https://github.com/restic/restic/pull/3243
* Bugfix #3014: Fix sporadic stream reset between rclone and restic
Sometimes when using restic with the `rclone` backend, an error message similar to the
following would be printed:
Didn't finish writing GET request (wrote 0/xxx): http2: stream closed
It was found that this was caused by restic closing the connection to rclone to soon when
downloading data. A workaround has been added which waits for the end of the download before
closing the connection.
https://github.com/rclone/rclone/issues/2598
https://github.com/restic/restic/pull/3014
* Bugfix #3152: Do not hang until foregrounded when completed in background
On Linux, when running in the background restic failed to stop the terminal output of the
`backup` command after it had completed. This caused restic to hang until moved to the
foreground. This has now been fixed.
https://github.com/restic/restic/pull/3152
https://forum.restic.net/t/restic-alpine-container-cron-hangs-epoll-pwait/3334
* Bugfix #3249: Improve error handling in `gs` backend
The `gs` backend did not notice when the last step of completing a file upload failed. Under rare
circumstances, this could cause missing files in the backup repository. This has now been
fixed.
https://github.com/restic/restic/pull/3249
* Change #3095: Deleting files on Google Drive now moves them to the trash
When deleting files on Google Drive via the `rclone` backend, restic used to bypass the trash
folder required that one used the `-o rclone.args` option to enable usage of the trash folder.
This ensured that deleted files in Google Drive were not kept indefinitely in the trash folder.
However, since Google Drive's trash retention policy changed to deleting trashed files after
30 days, this is no longer needed.
Restic now leaves it up to rclone and its configuration to use or not use the trash folder when
deleting files. The default is to use the trash folder, as of rclone 1.53.2. To re-enable the
restic 0.11 behavior, set the `RCLONE_DRIVE_USE_TRASH` environment variable or change the
rclone configuration. See the rclone documentation for more details.
https://github.com/restic/restic/issues/3095
https://github.com/restic/restic/pull/3102
* Enhancement #2186: Allow specifying percentage in `check --read-data-subset`
We've enhanced the `check` command's `--read-data-subset` option to also accept a
percentage (e.g. `2.5%` or `10%`). This will check the given percentage of pack files (which
are randomly selected on each run).
https://github.com/restic/restic/issues/2186
https://github.com/restic/restic/pull/3038
* Enhancement #2453: Report permanent/fatal backend errors earlier
When encountering errors in reading from or writing to storage backends, restic retries the
failing operation up to nine times (for a total of ten attempts). It used to retry all backend
operations, but now detects some permanent error conditions so that it can report fatal errors
earlier.
Permanent failures include local disks being full, SSH connections dropping and permission
errors.
https://github.com/restic/restic/issues/2453
https://github.com/restic/restic/issues/3180
https://github.com/restic/restic/pull/3170
https://github.com/restic/restic/pull/3181
* Enhancement #2528: Add Alibaba/Aliyun OSS support in the `s3` backend
A new extended option `s3.bucket-lookup` has been added to support Alibaba/Aliyun OSS in the
`s3` backend. The option can be set to one of the following values:
- `auto` - Existing behaviour - `dns` - Use DNS style bucket access - `path` - Use path style
bucket access
To make the `s3` backend work with Alibaba/Aliyun OSS you must set `s3.bucket-lookup` to `dns`
and set the `s3.region` parameter. For example:
Restic -o s3.bucket-lookup=dns -o s3.region=oss-eu-west-1 -r
s3:https://oss-eu-west-1.aliyuncs.com/bucketname init
Note that `s3.region` must be set, otherwise the MinIO SDK tries to look it up and it seems that
Alibaba doesn't support that properly.
https://github.com/restic/restic/issues/2528
https://github.com/restic/restic/pull/2535
* Enhancement #2706: Configurable progress reports for non-interactive terminals
The `backup`, `check` and `prune` commands never printed any progress reports on
non-interactive terminals. This behavior is now configurable using the
`RESTIC_PROGRESS_FPS` environment variable. Use for example a value of `1` for an update
every second, or `0.01666` for an update every minute.
The `backup` command now also prints the current progress when restic receives a `SIGUSR1`
signal.
Setting the `RESTIC_PROGRESS_FPS` environment variable or sending a `SIGUSR1` signal
prints a status report even when `--quiet` was specified.
https://github.com/restic/restic/issues/2706
https://github.com/restic/restic/issues/3194
https://github.com/restic/restic/pull/3199
* Enhancement #2944: Add `backup` options `--files-from-{verbatim,raw}`
The new `backup` options `--files-from-verbatim` and `--files-from-raw` read a list of
files to back up from a file. Unlike the existing `--files-from` option, these options do not
interpret the listed filenames as glob patterns; instead, whitespace in filenames is
preserved as-is and no pattern expansion is done. Please see the documentation for specifics.
These new options are highly recommended over `--files-from`, when using a script to generate
the list of files to back up.
https://github.com/restic/restic/issues/2944
https://github.com/restic/restic/issues/3013
* Enhancement #3083: Allow usage of deprecated S3 `ListObjects` API
Some S3 API implementations, e.g. Ceph before version 14.2.5, have a broken `ListObjectsV2`
implementation which causes problems for restic when using their API endpoints. When a broken
server implementation is used, restic prints errors similar to the following:
List() returned error: Truncated response should have continuation token set
As a temporary workaround, restic now allows using the older `ListObjects` endpoint by
setting the `s3.list-objects-v1` extended option, for instance:
Restic -o s3.list-objects-v1=true snapshots
Please note that this option may be removed in future versions of restic.
https://github.com/restic/restic/issues/3083
https://github.com/restic/restic/pull/3085
* Enhancement #3147: Support additional environment variables for Swift authentication
The `swift` backend now supports the following additional environment variables for passing
authentication details to restic: `OS_USER_ID`, `OS_USER_DOMAIN_ID`,
`OS_PROJECT_DOMAIN_ID` and `OS_TRUST_ID`
Depending on the `openrc` configuration file these might be required when the user and project
domains differ from one another.
https://github.com/restic/restic/issues/3147
https://github.com/restic/restic/pull/3158
* Enhancement #3191: Add release binaries for MIPS architectures
We've added a few new architectures for Linux to the release binaries: `mips`, `mipsle`,
`mips64`, and `mip64le`. MIPS is mostly used for low-end embedded systems.
https://github.com/restic/restic/issues/3191
https://github.com/restic/restic/pull/3208
* Enhancement #909: Back up mountpoints as empty directories
When the `--one-file-system` option is specified to `restic backup`, it ignores all file
systems mounted below one of the target directories. This means that when a snapshot is
restored, users needed to manually recreate the mountpoint directories.
Restic now backs up mountpoints as empty directories and therefore implements the same
approach as `tar`.
https://github.com/restic/restic/issues/909
https://github.com/restic/restic/pull/3119
* Enhancement #3250: Add several more error checks
We've added a lot more error checks in places where errors were previously ignored (as hinted by
the static analysis program `errcheck` via `golangci-lint`).
https://github.com/restic/restic/pull/3250
* Enhancement #2718: Improve `prune` performance and make it more customizable
The `prune` command is now much faster. This is especially the case for remote repositories or
repositories with not much data to remove. Also the memory usage of the `prune` command is now
reduced.
Restic used to rebuild the index from scratch after pruning. This could lead to missing packs in
the index in some cases for eventually consistent backends such as e.g. AWS S3. This behavior is
now changed and the index rebuilding uses the information already known by `prune`.
By default, the `prune` command no longer removes all unused data. This behavior can be
fine-tuned by new options, like the acceptable amount of unused space or the maximum size of
data to reorganize. For more details, please see
https://restic.readthedocs.io/en/stable/060_forget.html .
Moreover, `prune` now accepts the `--dry-run` option and also running `forget --dry-run
--prune` will show what `prune` would do.
This enhancement also fixes several open issues, e.g.: -
https://github.com/restic/restic/issues/1140 -
https://github.com/restic/restic/issues/1599 -
https://github.com/restic/restic/issues/1985 -
https://github.com/restic/restic/issues/2112 -
https://github.com/restic/restic/issues/2227 -
https://github.com/restic/restic/issues/2305
https://github.com/restic/restic/pull/2718
https://github.com/restic/restic/pull/2842
* Enhancement #2495: Add option to let `backup` trust mtime without checking ctime
The `backup` command used to require that both `ctime` and `mtime` of a file matched with a
previously backed up version to determine that the file was unchanged. In other words, if
either `ctime` or `mtime` of the file had changed, it would be considered changed and restic
would read the file's content again to back up the relevant (changed) parts of it.
The new option `--ignore-ctime` makes restic look at `mtime` only, such that `ctime` changes
for a file does not cause restic to read the file's contents again.
The check for both `ctime` and `mtime` was introduced in restic 0.9.6 to make backups more
reliable in the face of programs that reset `mtime` (some Unix archivers do that), but it turned
out to often be expensive because it made restic read file contents even if only the metadata
(owner, permissions) of a file had changed. The new `--ignore-ctime` option lets the user
restore the 0.9.5 behavior when needed. The existing `--ignore-inode` option already turned
off this behavior, but also removed a different check.
Please note that changes in files' metadata are still recorded, regardless of the command line
options provided to the backup command.
https://github.com/restic/restic/issues/2495
https://github.com/restic/restic/issues/2558
https://github.com/restic/restic/issues/2819
https://github.com/restic/restic/pull/2823
* Enhancement #2941: Speed up the repacking step of the `prune` command
The repack step of the `prune` command, which moves still used file parts into new pack files
such that the old ones can be garbage collected later on, now processes multiple pack files in
parallel. This is especially beneficial for high latency backends or when using a fast network
connection.
https://github.com/restic/restic/pull/2941
* Enhancement #3006: Speed up the `rebuild-index` command
We've optimized the `rebuild-index` command. Now, existing index entries are used to
minimize the number of pack files that must be read. This speeds up the index rebuild a lot.
Additionally, the option `--read-all-packs` has been added, implementing the previous
behavior.
https://github.com/restic/restic/pull/3006
https://github.com/restic/restic/issue/2547
* Enhancement #3048: Add more checks for index and pack files in the `check` command
The `check` command run with the `--read-data` or `--read-data-subset` options used to only
verify only the pack file content - it did not check if the blobs within the pack are correctly
contained in the index.
A check for the latter is now in place, which can print the following error:
Blob ID is not contained in index or position is incorrect
Another test is also added, which compares pack file sizes computed from the index and the pack
header with the actual file size. This test is able to detect truncated pack files.
If the index is not correct, it can be rebuilt by using the `rebuild-index` command.
Having added these tests, `restic check` is now able to detect non-existing blobs which are
wrongly referenced in the index. This situation could have lead to missing data.
https://github.com/restic/restic/pull/3048
https://github.com/restic/restic/pull/3082
* Enhancement #2433: Make the `dump` command support `zip` format
Previously, restic could dump the contents of a whole folder structure only in the `tar`
format. The `dump` command now has a new flag to change output format to `zip`. Just pass
`--archive zip` as an option to `restic dump`.
https://github.com/restic/restic/pull/2433
https://github.com/restic/restic/pull/3081
* Enhancement #3099: Reduce memory usage of `check` command
The `check` command now requires less memory if it is run without the `--check-unused` option.
https://github.com/restic/restic/pull/3099
* Enhancement #3106: Parallelize scan of snapshot content in `copy` and `prune`
The `copy` and `prune` commands used to traverse the directories of snapshots one by one to find
used data. This snapshot traversal is now parallized which can speed up this step several
times.
In addition the `check` command now reports how many snapshots have already been processed.
https://github.com/restic/restic/pull/3106
* Enhancement #3130: Parallelize reading of locks and snapshots
Restic used to read snapshots sequentially. For repositories containing many snapshots this
slowed down commands which have to read all snapshots.
Now the reading of snapshots is parallelized. This speeds up for example `prune`, `backup` and
other commands that search for snapshots with certain properties or which have to find the
`latest` snapshot.
The speed up also applies to locks stored in the backup repository.
https://github.com/restic/restic/pull/3130
https://github.com/restic/restic/pull/3174
* Enhancement #3254: Enable HTTP/2 for backend connections
Go's HTTP library usually automatically chooses between HTTP/1.x and HTTP/2 depending on
what the server supports. But for compatibility this mechanism is disabled if DialContext is
used (which is the case for restic). This change allows restic's HTTP client to negotiate
HTTP/2 if supported by the server.
https://github.com/restic/restic/pull/3254
Changelog for restic 0.11.0 (2020-11-05)
=======================================
The following sections list the changes in restic 0.11.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1212: Restore timestamps and permissions on intermediate directories
* Fix #1756: Mark repository files as read-only when using the local backend
* Fix #2241: Hide password in REST backend repository URLs
* Fix #2319: Correctly dump directories into tar files
* Fix #2491: Don't require `self-update --output` placeholder file
* Fix #2834: Fix rare cases of backup command hanging forever
* Fix #2938: Fix manpage formatting
* Fix #2942: Make --exclude-larger-than handle disappearing files
* Fix #2951: Restic generate, help and self-update no longer check passwords
* Fix #2979: Make snapshots --json output [] instead of null when no snapshots
* Enh #2969: Optimize check for unchanged files during backup
* Enh #340: Add support for Volume Shadow Copy Service (VSS) on Windows
* Enh #2849: Authenticate to Google Cloud Storage with access token
* Enh #1458: New option --repository-file
* Enh #2978: Warn if parent snapshot cannot be loaded during backup
Details
-------
* Bugfix #1212: Restore timestamps and permissions on intermediate directories
When using the `--include` option of the restore command, restic restored timestamps and
permissions only on directories selected by the include pattern. Intermediate directories,
which are necessary to restore files located in sub- directories, were created with default
permissions. We've fixed the restore command to restore timestamps and permissions for these
directories as well.
https://github.com/restic/restic/issues/1212
https://github.com/restic/restic/issues/1402
https://github.com/restic/restic/pull/2906
* Bugfix #1756: Mark repository files as read-only when using the local backend
Files stored in a local repository were marked as writeable on the filesystem for non-Windows
systems, which did not prevent accidental file modifications outside of restic. In addition,
the local backend did not work with certain filesystems and network mounts which do not permit
modifications of file permissions.
Restic now marks files stored in a local repository as read-only on the filesystem on
non-Windows systems. The error handling is improved to support more filesystems.
https://github.com/restic/restic/issues/1756
https://github.com/restic/restic/issues/2157
https://github.com/restic/restic/pull/2989
* Bugfix #2241: Hide password in REST backend repository URLs
When using a password in the REST backend repository URL, the password could in some cases be
included in the output from restic, e.g. when initializing a repo or during an error.
The password is now replaced with "***" where applicable.
https://github.com/restic/restic/issues/2241
https://github.com/restic/restic/pull/2658
* Bugfix #2319: Correctly dump directories into tar files
The dump command previously wrote directories in a tar file in a way which can cause
compatibility problems. This caused, for example, 7zip on Windows to not open tar files
containing directories. In addition it was not possible to dump directories with extended
attributes. These compatibility problems are now corrected.
In addition, a tar file now includes the name of the owner and group of a file.
https://github.com/restic/restic/issues/2319
https://github.com/restic/restic/pull/3039
* Bugfix #2491: Don't require `self-update --output` placeholder file
`restic self-update --output /path/to/new-restic` used to require that new-restic was an
existing file, to be overwritten. Now it's possible to download an updated restic binary to a
new path, without first having to create a placeholder file.
https://github.com/restic/restic/issues/2491
https://github.com/restic/restic/pull/2937
* Bugfix #2834: Fix rare cases of backup command hanging forever
We've fixed an issue with the backup progress reporting which could cause restic to hang
forever right before finishing a backup.
https://github.com/restic/restic/issues/2834
https://github.com/restic/restic/pull/2963
* Bugfix #2938: Fix manpage formatting
The manpage formatting in restic v0.10.0 was garbled, which is fixed now.
https://github.com/restic/restic/issues/2938
https://github.com/restic/restic/pull/2977
* Bugfix #2942: Make --exclude-larger-than handle disappearing files
There was a small bug in the backup command's --exclude-larger-than option where files that
disappeared between scanning and actually backing them up to the repository caused a panic.
This is now fixed.
https://github.com/restic/restic/issues/2942
* Bugfix #2951: Restic generate, help and self-update no longer check passwords
The commands `restic cache`, `generate`, `help` and `self-update` don't need passwords, but
they previously did run the RESTIC_PASSWORD_COMMAND (if set in the environment), prompting
users to authenticate for no reason. They now skip running the password command.
https://github.com/restic/restic/issues/2951
https://github.com/restic/restic/pull/2987
* Bugfix #2979: Make snapshots --json output [] instead of null when no snapshots
Restic previously output `null` instead of `[]` for the `--json snapshots` command, when
there were no snapshots in the repository. This caused some minor problems when parsing the
output, but is now fixed such that `[]` is output when the list of snapshots is empty.
https://github.com/restic/restic/issues/2979
https://github.com/restic/restic/pull/2984
* Enhancement #2969: Optimize check for unchanged files during backup
During a backup restic skips processing files which have not changed since the last backup run.
Previously this required opening each file once which can be slow on network filesystems. The
backup command now checks for file changes before opening a file. This considerably reduces
the time to create a backup on network filesystems.
https://github.com/restic/restic/issues/2969
https://github.com/restic/restic/pull/2970
* Enhancement #340: Add support for Volume Shadow Copy Service (VSS) on Windows
Volume Shadow Copy Service allows read access to files that are locked by another process using
an exclusive lock through a filesystem snapshot. Restic was unable to backup those files
before. This update enables backing up these files.
This needs to be enabled explicitely using the --use-fs-snapshot option of the backup
command.
https://github.com/restic/restic/issues/340
https://github.com/restic/restic/pull/2274
* Enhancement #2849: Authenticate to Google Cloud Storage with access token
When using the GCS backend, it is now possible to authenticate with OAuth2 access tokens
instead of a credentials file by setting the GOOGLE_ACCESS_TOKEN environment variable.
https://github.com/restic/restic/pull/2849
* Enhancement #1458: New option --repository-file
We've added a new command-line option --repository-file as an alternative to -r. This allows
to read the repository URL from a file in order to prevent certain types of information leaks,
especially for URLs containing credentials.
https://github.com/restic/restic/issues/1458
https://github.com/restic/restic/issues/2900
https://github.com/restic/restic/pull/2910
* Enhancement #2978: Warn if parent snapshot cannot be loaded during backup
During a backup restic uses the parent snapshot to check whether a file was changed and has to be
backed up again. For this check the backup has to read the directories contained in the old
snapshot. If a tree blob cannot be loaded, restic now warns about this problem with the backup
repository.
https://github.com/restic/restic/pull/2978
Changelog for restic 0.10.0 (2020-09-19)
=======================================
The following sections list the changes in restic 0.10.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1863: Report correct number of directories processed by backup
* Fix #2254: Fix tar issues when dumping `/`
* Fix #2281: Handle format verbs like '%' properly in `find` output
* Fix #2298: Do not hang when run as a background job
* Fix #2389: Fix mangled json output of backup command
* Fix #2390: Refresh lock timestamp
* Fix #2429: Backup --json reports total_bytes_processed as 0
* Fix #2469: Fix incorrect bytes stats in `diff` command
* Fix #2518: Do not crash with Synology NAS sftp server
* Fix #2531: Fix incorrect size calculation in `stats --mode restore-size`
* Fix #2537: Fix incorrect file counts in `stats --mode restore-size`
* Fix #2592: SFTP backend supports IPv6 addresses
* Fix #2607: Honor RESTIC_CACHE_DIR environment variable on Mac and Windows
* Fix #2668: Don't abort the stats command when data blobs are missing
* Fix #2674: Add stricter prune error checks
* Fix #2899: Fix possible crash in the progress bar of check --read-data
* Chg #2482: Remove vendored dependencies
* Chg #2546: Return exit code 3 when failing to backup all source data
* Chg #2600: Update dependencies, require Go >= 1.13
* Chg #1597: Honor the --no-lock flag in the mount command
* Enh #1570: Support specifying multiple host flags for various commands
* Enh #1680: Optimize `restic mount`
* Enh #2072: Display snapshot date when using `restic find`
* Enh #2175: Allow specifying user and host when creating keys
* Enh #2277: Add support for ppc64le
* Enh #2395: Ignore sync errors when operation not supported by local filesystem
* Enh #2427: Add flag `--iexclude-file` to backup command
* Enh #2569: Support excluding files by their size
* Enh #2571: Self-heal missing file parts during backup of unchanged files
* Enh #2858: Support filtering snapshots by tag and path in the stats command
* Enh #323: Add command for copying snapshots between repositories
* Enh #551: Use optimized library for hash calculation of file chunks
* Enh #2195: Simplify and improve restore performance
* Enh #2328: Improve speed of check command
* Enh #2423: Support user@domain parsing as user
* Enh #2576: Improve the chunking algorithm
* Enh #2598: Improve speed of diff command
* Enh #2599: Slightly reduce memory usage of prune and stats commands
* Enh #2733: S3 backend: Add support for WebIdentityTokenFile
* Enh #2773: Optimize handling of new index entries
* Enh #2781: Reduce memory consumption of in-memory index
* Enh #2786: Optimize `list blobs` command
* Enh #2790: Optimized file access in restic mount
* Enh #2840: Speed-up file deletion in forget, prune and rebuild-index
Details
-------
* Bugfix #1863: Report correct number of directories processed by backup
The directory statistics calculation was fixed to report the actual number of processed
directories instead of always zero.
https://github.com/restic/restic/issues/1863
* Bugfix #2254: Fix tar issues when dumping `/`
We've fixed an issue with dumping either `/` or files on the first sublevel e.g. `/foo` to tar.
This also fixes tar dumping issues on Windows where this issue could also happen.
https://github.com/restic/restic/issues/2254
https://github.com/restic/restic/issues/2357
https://github.com/restic/restic/pull/2255
* Bugfix #2281: Handle format verbs like '%' properly in `find` output
The JSON or "normal" output of the `find` command can now deal with file names that contain
substrings which the Golang `fmt` package considers "format verbs" like `%s`.
https://github.com/restic/restic/issues/2281
* Bugfix #2298: Do not hang when run as a background job
Restic did hang on exit while restoring the terminal configuration when it was started as a
background job, for example using `restic ... &`. This has been fixed by only restoring the
terminal configuration when restic is interrupted while reading a password from the
terminal.
https://github.com/restic/restic/issues/2298
* Bugfix #2389: Fix mangled json output of backup command
We've fixed a race condition in the json output of the backup command that could cause multiple
lines to get mixed up. We've also ensured that the backup summary is printed last.
https://github.com/restic/restic/issues/2389
https://github.com/restic/restic/pull/2545
* Bugfix #2390: Refresh lock timestamp
Long-running operations did not refresh lock timestamp, resulting in locks becoming stale.
This is now fixed.
https://github.com/restic/restic/issues/2390
* Bugfix #2429: Backup --json reports total_bytes_processed as 0
We've fixed the json output of total_bytes_processed. The non-json output was already fixed
with pull request #2138 but left the json output untouched.
https://github.com/restic/restic/issues/2429
* Bugfix #2469: Fix incorrect bytes stats in `diff` command
In some cases, the wrong number of bytes (e.g. 16777215.998 TiB) were reported by the `diff`
command. This is now fixed.
https://github.com/restic/restic/issues/2469
* Bugfix #2518: Do not crash with Synology NAS sftp server
It was found that when restic is used to store data on an sftp server on a Synology NAS with a
relative path (one which does not start with a slash), it may go into an endless loop trying to
create directories on the server. We've fixed this bug by using a function in the sftp library
instead of our own implementation.
The bug was discovered because the Synology sftp server behaves erratic with non-absolute
path (e.g. `home/restic-repo`). This can be resolved by just using an absolute path instead
(`/home/restic-repo`). We've also added a paragraph in the FAQ.
https://github.com/restic/restic/issues/2518
https://github.com/restic/restic/issues/2363
https://github.com/restic/restic/pull/2530
* Bugfix #2531: Fix incorrect size calculation in `stats --mode restore-size`
The restore-size mode of stats was counting hard-linked files as if they were independent.
https://github.com/restic/restic/issues/2531
* Bugfix #2537: Fix incorrect file counts in `stats --mode restore-size`
The restore-size mode of stats was failing to count empty directories and some files with hard
links.
https://github.com/restic/restic/issues/2537
* Bugfix #2592: SFTP backend supports IPv6 addresses
The SFTP backend now supports IPv6 addresses natively, without relying on aliases in the
external SSH configuration.
https://github.com/restic/restic/pull/2592
* Bugfix #2607: Honor RESTIC_CACHE_DIR environment variable on Mac and Windows
On Mac and Windows, the RESTIC_CACHE_DIR environment variable was ignored. This variable can
now be used on all platforms to set the directory where restic stores caches.
https://github.com/restic/restic/pull/2607
* Bugfix #2668: Don't abort the stats command when data blobs are missing
Runing the stats command in the blobs-per-file mode on a repository with missing data blobs
previously resulted in a crash.
https://github.com/restic/restic/pull/2668
* Bugfix #2674: Add stricter prune error checks
Additional checks were added to the prune command in order to improve resiliency to backend,
hardware and/or networking issues. The checks now detect a few more cases where such outside
factors could potentially cause data loss.
https://github.com/restic/restic/pull/2674
* Bugfix #2899: Fix possible crash in the progress bar of check --read-data
We've fixed a possible crash while displaying the progress bar for the check --read-data
command. The crash occurred when the length of the progress bar status exceeded the terminal
width, which only happened for very narrow terminal windows.
https://github.com/restic/restic/pull/2899
https://forum.restic.net/t/restic-rclone-pcloud-connection-issues/2963/15
* Change #2482: Remove vendored dependencies
We've removed the vendored dependencies (in the subdir `vendor/`). When building restic, the
Go compiler automatically fetches the dependencies. It will also cryptographically verify
that the correct code has been fetched by using the hashes in `go.sum` (see the link to the
documentation below).
https://github.com/restic/restic/issues/2482
https://golang.org/cmd/go/#hdr-Module_downloading_and_verification
* Change #2546: Return exit code 3 when failing to backup all source data
The backup command used to return a zero exit code as long as a snapshot could be created
successfully, even if some of the source files could not be read (in which case the snapshot
would contain the rest of the files).
This made it hard for automation/scripts to detect failures/incomplete backups by looking at
the exit code. Restic now returns the following exit codes for the backup command:
- 0 when the command was successful - 1 when there was a fatal error (no snapshot created) - 3 when
some source data could not be read (incomplete snapshot created)
https://github.com/restic/restic/issues/956
https://github.com/restic/restic/issues/2064
https://github.com/restic/restic/issues/2526
https://github.com/restic/restic/issues/2364
https://github.com/restic/restic/pull/2546
* Change #2600: Update dependencies, require Go >= 1.13
Restic now requires Go to be at least 1.13. This allows simplifications in the build process and
removing workarounds.
This is also probably the last version of restic still supporting mounting repositories via
fuse on macOS. The library we're using for fuse does not support macOS any more and osxfuse is not
open source any more.
https://github.com/bazil/fuse/issues/224
https://github.com/osxfuse/osxfuse/issues/590
https://github.com/restic/restic/pull/2600
https://github.com/restic/restic/pull/2852
https://github.com/restic/restic/pull/2927
* Change #1597: Honor the --no-lock flag in the mount command
The mount command now does not lock the repository if given the --no-lock flag. This allows to
mount repositories which are archived on a read only backend/filesystem.
https://github.com/restic/restic/issues/1597
https://github.com/restic/restic/pull/2821
* Enhancement #1570: Support specifying multiple host flags for various commands
Previously commands didn't take more than one `--host` or `-H` argument into account, which
could be limiting with e.g. the `forget` command.
The `dump`, `find`, `forget`, `ls`, `mount`, `restore`, `snapshots`, `stats` and `tag`
commands will now take into account multiple `--host` and `-H` flags.
https://github.com/restic/restic/issues/1570
* Enhancement #1680: Optimize `restic mount`
We've optimized the FUSE implementation used within restic. `restic mount` is now more
responsive and uses less memory.
https://github.com/restic/restic/issues/1680
https://github.com/restic/restic/pull/2587
https://github.com/restic/restic/pull/2787
* Enhancement #2072: Display snapshot date when using `restic find`
Added the respective snapshot date to the output of `restic find`.
https://github.com/restic/restic/issues/2072
* Enhancement #2175: Allow specifying user and host when creating keys
When adding a new key to the repository, the username and hostname for the new key can be
specified on the command line. This allows overriding the defaults, for example if you would
prefer to use the FQDN to identify the host or if you want to add keys for several different hosts
without having to run the key add command on those hosts.
https://github.com/restic/restic/issues/2175
* Enhancement #2277: Add support for ppc64le
Adds support for ppc64le, the processor architecture from IBM.
https://github.com/restic/restic/issues/2277
* Enhancement #2395: Ignore sync errors when operation not supported by local filesystem
The local backend has been modified to work with filesystems which doesn't support the `sync`
operation. This operation is normally used by restic to ensure that data files are fully
written to disk before continuing.
For these limited filesystems, saving a file in the backend would previously fail with an
"operation not supported" error. This error is now ignored, which means that e.g. an SMB mount
on macOS can now be used as storage location for a repository.
https://github.com/restic/restic/issues/2395
https://forum.restic.net/t/sync-errors-on-mac-over-smb/1859
* Enhancement #2427: Add flag `--iexclude-file` to backup command
The backup command now supports the flag `--iexclude-file` which is a case-insensitive
version of `--exclude-file`.
https://github.com/restic/restic/issues/2427
https://github.com/restic/restic/pull/2898
* Enhancement #2569: Support excluding files by their size
The `backup` command now supports the `--exclude-larger-than` option to exclude files which
are larger than the specified maximum size. This can for example be useful to exclude
unimportant files with a large file size.
https://github.com/restic/restic/issues/2569
https://github.com/restic/restic/pull/2914
* Enhancement #2571: Self-heal missing file parts during backup of unchanged files
We've improved the resilience of restic to certain types of repository corruption.
For files that are unchanged since the parent snapshot, the backup command now verifies that
all parts of the files still exist in the repository. Parts that are missing, e.g. from a damaged
repository, are backed up again. This verification was already run for files that were
modified since the parent snapshot, but is now also done for unchanged files.
Note that restic will not backup file parts that are referenced in the index but where the actual
data is not present on disk, as this situation can only be detected by restic check. Please
ensure that you run `restic check` regularly.
https://github.com/restic/restic/issues/2571
https://github.com/restic/restic/pull/2827
* Enhancement #2858: Support filtering snapshots by tag and path in the stats command
We've added filtering snapshots by `--tag tagList` and by `--path path` to the `stats`
command. This includes filtering of only 'latest' snapshots or all snapshots in a repository.
https://github.com/restic/restic/issues/2858
https://github.com/restic/restic/pull/2859
https://forum.restic.net/t/stats-for-a-host-and-filtered-snapshots/3020
* Enhancement #323: Add command for copying snapshots between repositories
We've added a copy command, allowing you to copy snapshots from one repository to another.
Note that this process will have to read (download) and write (upload) the entire snapshot(s)
due to the different encryption keys used on the source and destination repository. Also, the
transferred files are not re-chunked, which may break deduplication between files already
stored in the destination repo and files copied there using this command.
To fully support deduplication between repositories when the copy command is used, the init
command now supports the `--copy-chunker-params` option, which initializes the new
repository with identical parameters for splitting files into chunks as an already existing
repository. This allows copied snapshots to be equally deduplicated in both repositories.
https://github.com/restic/restic/issues/323
https://github.com/restic/restic/pull/2606
https://github.com/restic/restic/pull/2928
* Enhancement #551: Use optimized library for hash calculation of file chunks
We've switched the library used to calculate the hashes of file chunks, which are used for
deduplication, to the optimized Minio SHA-256 implementation.
Depending on the CPU it improves the hashing throughput by 10-30%. Modern x86 CPUs with the SHA
Extension should be about two to three times faster.
https://github.com/restic/restic/issues/551
https://github.com/restic/restic/pull/2709
* Enhancement #2195: Simplify and improve restore performance
Significantly improves restore performance of large files (i.e. 50M+):
https://github.com/restic/restic/issues/2074
https://forum.restic.net/t/restore-using-rclone-gdrive-backend-is-slow/1112/8
https://forum.restic.net/t/degraded-restore-performance-s3-backend/1400
Fixes "not enough cache capacity" error during restore:
https://github.com/restic/restic/issues/2244
NOTE: This new implementation does not guarantee order in which blobs are written to the target
files and, for example, the last blob of a file can be written to the file before any of the
preceeding file blobs. It is therefore possible to have gaps in the data written to the target
files if restore fails or interrupted by the user.
The implementation will try to preallocate space for the restored files on the filesystem to
prevent file fragmentation. This ensures good read performance for large files, like for
example VM images. If preallocating space is not supported by the filesystem, then this step is
silently skipped.
https://github.com/restic/restic/pull/2195
https://github.com/restic/restic/pull/2893
* Enhancement #2328: Improve speed of check command
We've improved the check command to traverse trees only once independent of whether they are
contained in multiple snapshots. The check command is now much faster for repositories with a
large number of snapshots.
https://github.com/restic/restic/issues/2284
https://github.com/restic/restic/pull/2328
* Enhancement #2423: Support user@domain parsing as user
Added the ability for user@domain-like users to be authenticated over SFTP servers.
https://github.com/restic/restic/pull/2423
* Enhancement #2576: Improve the chunking algorithm
We've updated the chunker library responsible for splitting files into smaller blocks. It
should improve the chunking throughput by 5-15% depending on the CPU.
https://github.com/restic/restic/issues/2820
https://github.com/restic/restic/pull/2576
https://github.com/restic/restic/pull/2845
* Enhancement #2598: Improve speed of diff command
We've improved the performance of the diff command when comparing snapshots with similar
content. It should run up to twice as fast as before.
https://github.com/restic/restic/pull/2598
* Enhancement #2599: Slightly reduce memory usage of prune and stats commands
The prune and the stats command kept directory identifiers in memory twice while searching for
used blobs.
https://github.com/restic/restic/pull/2599
* Enhancement #2733: S3 backend: Add support for WebIdentityTokenFile
We've added support for EKS IAM roles for service accounts feature to the S3 backend.
https://github.com/restic/restic/issues/2703
https://github.com/restic/restic/pull/2733
* Enhancement #2773: Optimize handling of new index entries
Restic now uses less memory for backups which add a lot of data, e.g. large initial backups. In
addition, we've improved the stability in some edge cases.
https://github.com/restic/restic/pull/2773
* Enhancement #2781: Reduce memory consumption of in-memory index
We've improved how the index is stored in memory. This change can reduce memory usage for large
repositories by up to 50% (depending on the operation).
https://github.com/restic/restic/pull/2781
https://github.com/restic/restic/pull/2812
* Enhancement #2786: Optimize `list blobs` command
We've changed the implementation of `list blobs` which should be now a bit faster and consume
almost no memory even for large repositories.
https://github.com/restic/restic/pull/2786
* Enhancement #2790: Optimized file access in restic mount
Reading large (> 100GiB) files from restic mountpoints is now faster, and the speedup is
greater for larger files.
https://github.com/restic/restic/pull/2790
* Enhancement #2840: Speed-up file deletion in forget, prune and rebuild-index
We've sped up the file deletion for the commands forget, prune and rebuild-index, especially
for remote repositories. Deletion was sequential before and is now run in parallel.
https://github.com/restic/restic/pull/2840
Changelog for restic 0.9.6 (2019-11-22)
=======================================
The following sections list the changes in restic 0.9.6 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #2063: Allow absolute path for filename when backing up from stdin
* Fix #2174: Save files with invalid timestamps
* Fix #2249: Read fresh metadata for unmodified files
* Fix #2301: Add upper bound for t in --read-data-subset=n/t
* Fix #2321: Check errors when loading index files
* Enh #2179: Use ctime when checking for file changes
* Enh #2306: Allow multiple retries for interactive password input
* Enh #2330: Make `--group-by` accept both singular and plural
* Enh #2350: Add option to configure S3 region
Details
-------
* Bugfix #2063: Allow absolute path for filename when backing up from stdin
When backing up from stdin, handle directory path for `--stdin-filename`. This can be used to
specify the full path for the backed-up file.
https://github.com/restic/restic/issues/2063
* Bugfix #2174: Save files with invalid timestamps
When restic reads invalid timestamps (year is before 0000 or after 9999) it refused to read and
archive the file. We've changed the behavior and will now save modified timestamps with the
year set to either 0000 or 9999, the rest of the timestamp stays the same, so the file will be saved
(albeit with a bogus timestamp).
https://github.com/restic/restic/issues/2174
https://github.com/restic/restic/issues/1173
* Bugfix #2249: Read fresh metadata for unmodified files
Restic took all metadata for files which were detected as unmodified, not taking into account
changed metadata (ownership, mode). This is now corrected.
https://github.com/restic/restic/issues/2249
https://github.com/restic/restic/pull/2252
* Bugfix #2301: Add upper bound for t in --read-data-subset=n/t
256 is the effective maximum for t, but restic would allow larger values, leading to strange
behavior.
https://github.com/restic/restic/issues/2301
https://github.com/restic/restic/pull/2304
* Bugfix #2321: Check errors when loading index files
Restic now checks and handles errors which occur when loading index files, the missing check
leads to odd errors (and a stack trace printed to users) later. This was reported in the forum.
https://github.com/restic/restic/pull/2321
https://forum.restic.net/t/check-rebuild-index-prune/1848/13
* Enhancement #2179: Use ctime when checking for file changes
Previously, restic only checked a file's mtime (along with other non-timestamp metadata) to
decide if a file has changed. This could cause restic to not notice that a file has changed (and
therefore continue to store the old version, as opposed to the modified version) if something
edits the file and then resets the timestamp. Restic now also checks the ctime of files, so any
modifications to a file should be noticed, and the modified file will be backed up. The ctime
check will be disabled if the --ignore-inode flag was given.
If this change causes problems for you, please open an issue, and we can look in to adding a
seperate flag to disable just the ctime check.
https://github.com/restic/restic/issues/2179
https://github.com/restic/restic/pull/2212
* Enhancement #2306: Allow multiple retries for interactive password input
Restic used to quit if the repository password was typed incorrectly once. Restic will now ask
the user again for the repository password if typed incorrectly. The user will now get three
tries to input the correct password before restic quits.
https://github.com/restic/restic/issues/2306
* Enhancement #2330: Make `--group-by` accept both singular and plural
One can now use the values `host`/`hosts`, `path`/`paths` and `tag` / `tags` interchangeably
in the `--group-by` argument.
https://github.com/restic/restic/issues/2330
* Enhancement #2350: Add option to configure S3 region
We've added a new option for setting the region when accessing an S3-compatible service. For
some providers, it is required to set this to a valid value. You can do that either by setting the
environment variable `AWS_DEFAULT_REGION` or using the option `s3.region`, e.g. like this:
`-o s3.region="us-east-1"`.
https://github.com/restic/restic/pull/2350
Changelog for restic 0.9.5 (2019-04-23)
=======================================
The following sections list the changes in restic 0.9.5 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #2135: Return error when no bytes could be read from stdin
* Fix #2181: Don't cancel timeout after 30 seconds for self-update
* Fix #2203: Fix reading passwords from stdin
* Fix #2224: Don't abort the find command when a tree can't be loaded
* Enh #1895: Add case insensitive include & exclude options
* Enh #1937: Support streaming JSON output for backup
* Enh #2155: Add Openstack application credential auth for Swift
* Enh #2184: Add --json support to forget command
* Enh #2037: Add group-by option to snapshots command
* Enh #2124: Ability to dump folders to tar via stdout
* Enh #2139: Return error if no bytes could be read for `backup --stdin`
* Enh #2205: Add --ignore-inode option to backup cmd
* Enh #2220: Add config option to set S3 storage class
Details
-------
* Bugfix #2135: Return error when no bytes could be read from stdin
We assume that users reading backup data from stdin want to know when no data could be read, so now
restic returns an error when `backup --stdin` is called but no bytes could be read. Usually,
this means that an earlier command in a pipe has failed. The documentation was amended and now
recommends setting the `pipefail` option (`set -o pipefail`).
https://github.com/restic/restic/pull/2135
https://github.com/restic/restic/pull/2139
* Bugfix #2181: Don't cancel timeout after 30 seconds for self-update
https://github.com/restic/restic/issues/2181
* Bugfix #2203: Fix reading passwords from stdin
Passwords for the `init`, `key add`, and `key passwd` commands can now be read from
non-terminal stdin.
https://github.com/restic/restic/issues/2203
* Bugfix #2224: Don't abort the find command when a tree can't be loaded
Change the find command so that missing trees don't result in a crash. Instead, the error is
logged to the debug log, and the tree ID is displayed along with the snapshot it belongs to. This
makes it possible to recover repositories that are missing trees by forgetting the snapshots
they are used in.
https://github.com/restic/restic/issues/2224
* Enhancement #1895: Add case insensitive include & exclude options
The backup and restore commands now have --iexclude and --iinclude flags as case insensitive
variants of --exclude and --include.
https://github.com/restic/restic/issues/1895
https://github.com/restic/restic/pull/2032
* Enhancement #1937: Support streaming JSON output for backup
We've added support for getting machine-readable status output during backup, just pass the
flag `--json` for `restic backup` and restic will output a stream of JSON objects which contain
the current progress.
https://github.com/restic/restic/issues/1937
https://github.com/restic/restic/pull/1944
* Enhancement #2155: Add Openstack application credential auth for Swift
Since Openstack Queens Identity (auth V3) service supports an application credential auth
method. It allows to create a technical account with the limited roles. This commit adds an
application credential authentication method for the Swift backend.
https://github.com/restic/restic/issues/2155
* Enhancement #2184: Add --json support to forget command
The forget command now supports the --json argument, outputting the information about what is
(or would-be) kept and removed from the repository.
https://github.com/restic/restic/issues/2184
https://github.com/restic/restic/pull/2185
* Enhancement #2037: Add group-by option to snapshots command
We have added an option to group the output of the snapshots command, similar to the output of the
forget command. The option has been called "--group-by" and accepts any combination of the
values "host", "paths" and "tags", separated by commas. Default behavior (not specifying
--group-by) has not been changed. We have added support of the grouping to the JSON output.
https://github.com/restic/restic/issues/2037
https://github.com/restic/restic/pull/2087
* Enhancement #2124: Ability to dump folders to tar via stdout
We've added the ability to dump whole folders to stdout via the `dump` command. Restic now
requires at least Go 1.10 due to a limitation of the standard library for Go <= 1.9.
https://github.com/restic/restic/issues/2123
https://github.com/restic/restic/pull/2124
* Enhancement #2139: Return error if no bytes could be read for `backup --stdin`
When restic is used to backup the output of a program, like `mysqldump | restic backup --stdin`,
it now returns an error if no bytes could be read at all. This catches the failure case when
`mysqldump` failed for some reason and did not output any data to stdout.
https://github.com/restic/restic/pull/2139
* Enhancement #2205: Add --ignore-inode option to backup cmd
This option handles backup of virtual filesystems that do not keep fixed inodes for files, like
Fuse-based, pCloud, etc. Ignoring inode changes allows to consider the file as unchanged if
last modification date and size are unchanged.
https://github.com/restic/restic/issues/1631
https://github.com/restic/restic/pull/2205
https://github.com/restic/restic/pull/2047
* Enhancement #2220: Add config option to set S3 storage class
The `s3.storage-class` option can be passed to restic (using `-o`) to specify the storage
class to be used for S3 objects created by restic.
The storage class is passed as-is to S3, so it needs to be understood by the API. On AWS, it can be
one of `STANDARD`, `STANDARD_IA`, `ONEZONE_IA`, `INTELLIGENT_TIERING` and
`REDUCED_REDUNDANCY`. If unspecified, the default storage class is used (`STANDARD` on
AWS).
You can mix storage classes in the same bucket, and the setting isn't stored in the restic
repository, so be sure to specify it with each command that writes to S3.
https://github.com/restic/restic/issues/706
https://github.com/restic/restic/pull/2220
Changelog for restic 0.9.4 (2019-01-06)
=======================================
The following sections list the changes in restic 0.9.4 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1989: Google Cloud Storage: Respect bandwidth limit
* Fix #2040: Add host name filter shorthand flag for `stats` command
* Fix #2068: Correctly return error loading data
* Fix #2095: Consistently use local time for snapshots times
* Enh #1605: Concurrent restore
* Enh #2089: Increase granularity of the "keep within" retention policy
* Enh #2097: Add key hinting
* Enh #2017: Mount: Enforce FUSE Unix permissions with allow-other
* Enh #2070: Make all commands display timestamps in local time
* Enh #2085: Allow --files-from to be specified multiple times
* Enh #2094: Run command to get password
Details
-------
* Bugfix #1989: Google Cloud Storage: Respect bandwidth limit
The GCS backend did not respect the bandwidth limit configured, a previous commit
accidentally removed support for it.
https://github.com/restic/restic/issues/1989
https://github.com/restic/restic/pull/2100
* Bugfix #2040: Add host name filter shorthand flag for `stats` command
The default value for `--host` flag was set to 'H' (the shorthand version of the flag), this
caused the lookup for the latest snapshot to fail.
Add shorthand flag `-H` for `--host` (with empty default so if these flags are not specified the
latest snapshot will not filter by host name).
Also add shorthand `-H` for `backup` command.
https://github.com/restic/restic/issues/2040
* Bugfix #2068: Correctly return error loading data
In one case during `prune` and `check`, an error loading data from the backend is not returned
properly. This is now corrected.
https://github.com/restic/restic/issues/1999#issuecomment-433737921
https://github.com/restic/restic/pull/2068
* Bugfix #2095: Consistently use local time for snapshots times
By default snapshots created with restic backup were set to local time, but when the --time flag
was used the provided timestamp was parsed as UTC. With this change all snapshots times are set
to local time.
https://github.com/restic/restic/pull/2095
* Enhancement #1605: Concurrent restore
This change significantly improves restore performance, especially when using
high-latency remote repositories like B2.
The implementation now uses several concurrent threads to download and process multiple
remote files concurrently. To further reduce restore time, each remote file is downloaded
using a single repository request.
https://github.com/restic/restic/issues/1605
https://github.com/restic/restic/pull/1719
* Enhancement #2089: Increase granularity of the "keep within" retention policy
The `keep-within` option of the `forget` command now accepts time ranges with an hourly
granularity. For example, running `restic forget --keep-within 3d12h` will keep all the
snapshots made within three days and twelve hours from the time of the latest snapshot.
https://github.com/restic/restic/issues/2089
https://github.com/restic/restic/pull/2090
* Enhancement #2097: Add key hinting
Added a new option `--key-hint` and corresponding environment variable `RESTIC_KEY_HINT`.
The key hint is a key ID to try decrypting first, before other keys in the repository.
This change will benefit repositories with many keys; if the correct key hint is supplied then
restic only needs to check one key. If the key hint is incorrect (the key does not exist, or the
password is incorrect) then restic will check all keys, as usual.
https://github.com/restic/restic/issues/2097
* Enhancement #2017: Mount: Enforce FUSE Unix permissions with allow-other
The fuse mount (`restic mount`) now lets the kernel check the permissions of the files within
snapshots (this is done through the `DefaultPermissions` FUSE option) when the option
`--allow-other` is specified.
To restore the old behavior, we've added the `--no-default-permissions` option. This allows
all users that have access to the mount point to access all files within the snapshots.
https://github.com/restic/restic/pull/2017
* Enhancement #2070: Make all commands display timestamps in local time
Restic used to drop the timezone information from displayed timestamps, it now converts
timestamps to local time before printing them so the times can be easily compared to.
https://github.com/restic/restic/pull/2070
* Enhancement #2085: Allow --files-from to be specified multiple times
Before, restic took only the last file specified with `--files-from` into account, this is now
corrected.
https://github.com/restic/restic/issues/2085
https://github.com/restic/restic/pull/2086
* Enhancement #2094: Run command to get password
We've added the `--password-command` option which allows specifying a command that restic
runs every time the password for the repository is needed, so it can be integrated with a
password manager or keyring. The option can also be set via the environment variable
`$RESTIC_PASSWORD_COMMAND`.
https://github.com/restic/restic/pull/2094
Changelog for restic 0.9.3 (2018-10-13)
=======================================
The following sections list the changes in restic 0.9.3 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1935: Remove truncated files from cache
* Fix #1978: Do not return an error when the scanner is slower than backup
* Enh #1766: Restore: suppress lchown errors when not running as root
* Enh #1909: Reject files/dirs by name first
* Enh #1940: Add directory filter to ls command
* Enh #1967: Use `--host` everywhere
* Enh #2028: Display size of cache directories
* Enh #1777: Improve the `find` command
* Enh #1876: Display reason why forget keeps snapshots
* Enh #1891: Accept glob in paths loaded via --files-from
* Enh #1920: Vendor dependencies with Go 1.11 Modules
* Enh #1949: Add new command `self-update`
* Enh #1953: Ls: Add JSON output support for restic ls cmd
* Enh #1962: Stream JSON output for ls command
Details
-------
* Bugfix #1935: Remove truncated files from cache
When a file in the local cache is truncated, and restic tries to access data beyond the end of the
(cached) file, it used to return an error "EOF". This is now fixed, such truncated files are
removed and the data is fetched directly from the backend.
https://github.com/restic/restic/issues/1935
* Bugfix #1978: Do not return an error when the scanner is slower than backup
When restic makes a backup, there's a background task called "scanner" which collects
information on how many files and directories are to be saved, in order to display progress
information to the user. When the backup finishes faster than the scanner, it is aborted
because the result is not needed any more. This logic contained a bug, where quitting the
scanner process was treated as an error, and caused restic to print an unhelpful error message
("context canceled").
https://github.com/restic/restic/issues/1978
https://github.com/restic/restic/pull/1991
* Enhancement #1766: Restore: suppress lchown errors when not running as root
Like "cp" and "rsync" do, restic now only reports errors for changing the ownership of files
during restore if it is run as root, on non-Windows operating systems. On Windows, the error
is reported as usual.
https://github.com/restic/restic/issues/1766
* Enhancement #1909: Reject files/dirs by name first
The current scanner/archiver code had an architectural limitation: it always ran the
`lstat()` system call on all files and directories before a decision to include/exclude the
file/dir was made. This lead to a lot of unnecessary system calls for items that could have been
rejected by their name or path only.
We've changed the archiver/scanner implementation so that it now first rejects by name/path,
and only runs the system call on the remaining items. This reduces the number of `lstat()`
system calls a lot (depending on the exclude settings).
https://github.com/restic/restic/issues/1909
https://github.com/restic/restic/pull/1912
* Enhancement #1940: Add directory filter to ls command
The ls command can now be filtered by directories, so that only files in the given directories
will be shown. If the --recursive flag is specified, then ls will traverse subfolders and list
their files as well.
It used to be possible to specify multiple snapshots, but that has been replaced by only one
snapshot and the possibility of specifying multiple directories.
Specifying directories constrains the walk, which can significantly speed up the listing.
https://github.com/restic/restic/issues/1940
https://github.com/restic/restic/pull/1941
* Enhancement #1967: Use `--host` everywhere
We now use the flag `--host` for all commands which need a host name, using `--hostname` (e.g.
for `restic backup`) still works, but will print a deprecation warning. Also, add the short
option `-H` where possible.
https://github.com/restic/restic/issues/1967
* Enhancement #2028: Display size of cache directories
The `cache` command now by default shows the size of the individual cache directories. It can be
disabled with `--no-size`.
https://github.com/restic/restic/issues/2028
https://github.com/restic/restic/pull/2033
* Enhancement #1777: Improve the `find` command
We've updated the `find` command to support multiple patterns.
`restic find` is now able to list the snapshots containing a specific tree or blob, or even the
snapshots that contain blobs belonging to a given pack. A list of IDs can be given, as long as they
all have the same type.
The command `find` can also display the pack IDs the blobs belong to, if the `--show-pack-id`
flag is provided.
https://github.com/restic/restic/issues/1777
https://github.com/restic/restic/pull/1780
* Enhancement #1876: Display reason why forget keeps snapshots
We've added a column to the list of snapshots `forget` keeps which details the reasons to keep a
particuliar snapshot. This makes debugging policies for forget much easier. Please remember
to always try things out with `--dry-run`!
https://github.com/restic/restic/pull/1876
* Enhancement #1891: Accept glob in paths loaded via --files-from
Before that, behaviour was different if paths were appended to command line or from a file,
because wild card characters were expanded by shell if appended to command line, but not
expanded if loaded from file.
https://github.com/restic/restic/issues/1891
* Enhancement #1920: Vendor dependencies with Go 1.11 Modules
Until now, we've used `dep` for managing dependencies, we've now switch to using Go modules.
For users this does not change much, only if you want to compile restic without downloading
anything with Go 1.11, then you need to run: `go build -mod=vendor build.go`
https://github.com/restic/restic/pull/1920
* Enhancement #1949: Add new command `self-update`
We have added a new command called `self-update` which downloads the latest released version
of restic from GitHub and replaces the current binary with it. It does not rely on any external
program (so it'll work everywhere), but still verifies the GPG signature using the embedded
GPG public key.
By default, the `self-update` command is hidden behind the `selfupdate` built tag, which is
only set when restic is built using `build.go` (including official releases). The reason for
this is that downstream distributions will then not include the command by default, so users
are encouraged to use the platform-specific distribution mechanism.
https://github.com/restic/restic/pull/1949
* Enhancement #1953: Ls: Add JSON output support for restic ls cmd
We've implemented listing files in the repository with JSON as output, just pass `--json` as an
option to `restic ls`. This makes the output of the command machine readable.
https://github.com/restic/restic/pull/1953
* Enhancement #1962: Stream JSON output for ls command
The `ls` command now supports JSON output with the global `--json` flag, and this change
streams out JSON messages one object at a time rather than en entire array buffered in memory
before encoding. The advantage is it allows large listings to be handled efficiently.
Two message types are printed: snapshots and nodes. A snapshot object will precede node
objects which belong to that snapshot. The `struct_type` field can be used to determine which
kind of message an object is.
https://github.com/restic/restic/pull/1962
Changelog for restic 0.9.2 (2018-08-06)
=======================================
The following sections list the changes in restic 0.9.2 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1854: Allow saving files/dirs on different fs with `--one-file-system`
* Fix #1870: Fix restore with --include
* Fix #1880: Use `--cache-dir` argument for `check` command
* Fix #1893: Return error when exclude file cannot be read
* Fix #1861: Fix case-insensitive search with restic find
* Enh #1906: Add support for B2 application keys
* Enh #874: Add stats command to get information about a repository
* Enh #1772: Add restore --verify to verify restored file content
* Enh #1853: Add JSON output support to `restic key list`
* Enh #1477: S3 backend: accept AWS_SESSION_TOKEN
* Enh #1901: Update the Backblaze B2 library
Details
-------
* Bugfix #1854: Allow saving files/dirs on different fs with `--one-file-system`
Restic now allows saving files/dirs on a different file system in a subdir correctly even when
`--one-file-system` is specified.
The first thing the restic archiver code does is to build a tree of the target
files/directories. If it detects that a parent directory is already included (e.g. `restic
backup /foo /foo/bar/baz`), it'll ignore the latter argument.
Without `--one-file-system`, that's perfectly valid: If `/foo` is to be archived, it will
include `/foo/bar/baz`. But with `--one-file-system`, `/foo/bar/baz` may reside on a
different file system, so it won't be included with `/foo`.
https://github.com/restic/restic/issues/1854
https://github.com/restic/restic/pull/1855
* Bugfix #1870: Fix restore with --include
We fixed a bug which prevented restic to restore files with an include filter.
https://github.com/restic/restic/issues/1870
https://github.com/restic/restic/pull/1900
* Bugfix #1880: Use `--cache-dir` argument for `check` command
`check` command now uses a temporary sub-directory of the specified directory if set using the
`--cache-dir` argument. If not set, the cache directory is created in the default temporary
directory as before. In either case a temporary cache is used to ensure the actual repository is
checked (rather than a local copy).
The `--cache-dir` argument was not used by the `check` command, instead a cache directory was
created in the temporary directory.
https://github.com/restic/restic/issues/1880
* Bugfix #1893: Return error when exclude file cannot be read
A bug was found: when multiple exclude files were passed to restic and one of them could not be
read, an error was printed and restic continued, ignoring even the existing exclude files.
Now, an error message is printed and restic aborts when an exclude file cannot be read.
https://github.com/restic/restic/issues/1893
* Bugfix #1861: Fix case-insensitive search with restic find
We've fixed the behavior for `restic find -i PATTERN`, which was broken in v0.9.1.
https://github.com/restic/restic/pull/1861
* Enhancement #1906: Add support for B2 application keys
Restic can now use so-called "application keys" which can be created in the B2 dashboard and
were only introduced recently. In contrast to the "master key", such keys can be restricted to a
specific bucket and/or path.
https://github.com/restic/restic/issues/1906
https://github.com/restic/restic/pull/1914
* Enhancement #874: Add stats command to get information about a repository
https://github.com/restic/restic/issues/874
https://github.com/restic/restic/pull/1729
* Enhancement #1772: Add restore --verify to verify restored file content
Restore will print error message if restored file content does not match expected SHA256
checksum
https://github.com/restic/restic/pull/1772
* Enhancement #1853: Add JSON output support to `restic key list`
This PR enables users to get the output of `restic key list` in JSON in addition to the existing
table format.
https://github.com/restic/restic/pull/1853
* Enhancement #1477: S3 backend: accept AWS_SESSION_TOKEN
Before, it was not possible to use s3 backend with AWS temporary security credentials(with
AWS_SESSION_TOKEN). This change gives higher priority to credentials.EnvAWS credentials
provider.
https://github.com/restic/restic/issues/1477
https://github.com/restic/restic/pull/1479
https://github.com/restic/restic/pull/1647
* Enhancement #1901: Update the Backblaze B2 library
We've updated the library we're using for accessing the Backblaze B2 service to 0.5.0 to
include support for upcoming so-called "application keys". With this feature, you can create
access credentials for B2 which are restricted to e.g. a single bucket or even a sub-directory
of a bucket.
https://github.com/restic/restic/pull/1901
https://github.com/kurin/blazer
Changelog for restic 0.9.1 (2018-06-10)
=======================================
The following sections list the changes in restic 0.9.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1801: Add limiting bandwidth to the rclone backend
* Fix #1822: Allow uploading large files to MS Azure
* Fix #1825: Correct `find` to not skip snapshots
* Fix #1833: Fix caching files on error
* Fix #1834: Resolve deadlock
Details
-------
* Bugfix #1801: Add limiting bandwidth to the rclone backend
The rclone backend did not respect `--limit-upload` or `--limit-download`. Oftentimes it's
not necessary to use this, as the limiting in rclone itself should be used because it gives much
better results, but in case a remote instance of rclone is used (e.g. called via ssh), it is still
relevant to limit the bandwidth from restic to rclone.
https://github.com/restic/restic/issues/1801
* Bugfix #1822: Allow uploading large files to MS Azure
Sometimes, restic creates files to be uploaded to the repository which are quite large, e.g.
when saving directories with many entries or very large files. The MS Azure API does not allow
uploading files larger that 256MiB directly, rather restic needs to upload them in blocks of
100MiB. This is now implemented.
https://github.com/restic/restic/issues/1822
* Bugfix #1825: Correct `find` to not skip snapshots
Under certain circumstances, the `find` command was found to skip snapshots containing
directories with files to look for when the directories haven't been modified at all, and were
already printed as part of a different snapshot. This is now corrected.
In addition, we've switched to our own matching/pattern implementation, so now things like
`restic find "/home/user/foo/**/main.go"` are possible.
https://github.com/restic/restic/issues/1825
https://github.com/restic/restic/issues/1823
* Bugfix #1833: Fix caching files on error
During `check` it may happen that different threads access the same file in the backend, which
is then downloaded into the cache only once. When that fails, only the thread which is
responsible for downloading the file signals the correct error. The other threads just assume
that the file has been downloaded successfully and then get an error when they try to access the
cached file.
https://github.com/restic/restic/issues/1833
* Bugfix #1834: Resolve deadlock
When the "scanning" process restic runs to find out how much data there is does not finish before
the backup itself is done, restic stops doing anything. This is resolved now.
https://github.com/restic/restic/issues/1834
https://github.com/restic/restic/pull/1835
Changelog for restic 0.9.0 (2018-05-21)
=======================================
The following sections list the changes in restic 0.9.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1608: Respect time stamp for new backup when reading from stdin
* Fix #1652: Ignore/remove invalid lock files
* Fix #1730: Ignore sockets for restore
* Fix #1684: Fix backend tests for rest-server
* Fix #1745: Correctly parse the argument to --tls-client-cert
* Enh #1433: Support UTF-16 encoding and process Byte Order Mark
* Enh #1561: Allow using rclone to access other services
* Enh #1665: Improve cache handling for `restic check`
* Enh #1721: Add `cache` command to list cache dirs
* Enh #1758: Allow saving OneDrive folders in Windows
* Enh #549: Rework archiver code
* Enh #1552: Use Google Application Default credentials
* Enh #1477: Accept AWS_SESSION_TOKEN for the s3 backend
* Enh #1648: Ignore AWS permission denied error when creating a repository
* Enh #1649: Add illumos/Solaris support
* Enh #1709: Improve messages `restic check` prints
* Enh #827: Add --new-password-file flag for non-interactive password changes
* Enh #1735: Allow keeping a time range of snaphots
* Enh #1782: Use default AWS credentials chain for S3 backend
Details
-------
* Bugfix #1608: Respect time stamp for new backup when reading from stdin
When reading backups from stdin (via `restic backup --stdin`), restic now uses the time stamp
for the new backup passed in `--time`.
https://github.com/restic/restic/issues/1608
https://github.com/restic/restic/pull/1703
* Bugfix #1652: Ignore/remove invalid lock files
This corrects a bug introduced recently: When an invalid lock file in the repo is encountered
(e.g. if the file is empty), the code used to ignore that, but now returns the error. Now, invalid
files are ignored for the normal lock check, and removed when `restic unlock --remove-all` is
run.
https://github.com/restic/restic/issues/1652
https://github.com/restic/restic/pull/1653
* Bugfix #1730: Ignore sockets for restore
We've received a report and correct the behavior in which the restore code aborted restoring a
directory when a socket was encountered. Unix domain socket files cannot be restored (they are
created on the fly once a process starts listening). The error handling was corrected, and in
addition we're now ignoring sockets during restore.
https://github.com/restic/restic/issues/1730
https://github.com/restic/restic/pull/1731
* Bugfix #1684: Fix backend tests for rest-server
The REST server for restic now requires an explicit parameter (`--no-auth`) if no
authentication should be allowed. This is fixed in the tests.
https://github.com/restic/restic/pull/1684
* Bugfix #1745: Correctly parse the argument to --tls-client-cert
Previously, the --tls-client-cert method attempt to read ARGV[1] (hardcoded) instead of the
argument that was passed to it. This has been corrected.
https://github.com/restic/restic/issues/1745
https://github.com/restic/restic/pull/1746
* Enhancement #1433: Support UTF-16 encoding and process Byte Order Mark
On Windows, text editors commonly leave a Byte Order Mark at the beginning of the file to define
which encoding is used (oftentimes UTF-16). We've added code to support processing the BOMs in
text files, like the exclude files, the password file and the file passed via `--files-from`.
This does not apply to any file being saved in a backup, those are not touched and archived as they
are.
https://github.com/restic/restic/issues/1433
https://github.com/restic/restic/issues/1738
https://github.com/restic/restic/pull/1748
* Enhancement #1561: Allow using rclone to access other services
We've added the ability to use rclone to store backup data on all backends that it supports. This
was done in collaboration with Nick, the author of rclone. You can now use it to first configure a
service, then restic manages the rest (starting and stopping rclone). For details, please see
the manual.
https://github.com/restic/restic/issues/1561
https://github.com/restic/restic/pull/1657
https://rclone.org
* Enhancement #1665: Improve cache handling for `restic check`
For safety reasons, restic does not use a local metadata cache for the `restic check` command,
so that data is loaded from the repository and restic can check it's in good condition. When the
cache is disabled, restic will fetch each tiny blob needed for checking the integrity using a
separate backend request. For non-local backends, that will take a long time, and depending on
the backend (e.g. B2) may also be much more expensive.
This PR adds a few commits which will change the behavior as follows:
* When `restic check` is called without any additional parameters, it will build a new cache in a
temporary directory, which is removed at the end of the check. This way, we'll get readahead for
metadata files (so restic will fetch the whole file when the first blob from the file is
requested), but all data is freshly fetched from the storage backend. This is the default
behavior and will work for almost all users.
* When `restic check` is called with `--with-cache`, the default on-disc cache is used. This
behavior hasn't changed since the cache was introduced.
* When `--no-cache` is specified, restic falls back to the old behavior, and read all tiny blobs
in separate requests.
https://github.com/restic/restic/issues/1665
https://github.com/restic/restic/issues/1694
https://github.com/restic/restic/pull/1696
* Enhancement #1721: Add `cache` command to list cache dirs
The command `cache` was added, it allows listing restic's cache directoriers together with
the last usage. It also allows removing old cache dirs without having to access a repo, via
`restic cache --cleanup`
https://github.com/restic/restic/issues/1721
https://github.com/restic/restic/pull/1749
* Enhancement #1758: Allow saving OneDrive folders in Windows
Restic now contains a bugfix to two libraries, which allows saving OneDrive folders in
Windows. In order to use the newer versions of the libraries, the minimal version required to
compile restic is now Go 1.9.
https://github.com/restic/restic/issues/1758
https://github.com/restic/restic/pull/1765
* Enhancement #549: Rework archiver code
The core archiver code and the complementary code for the `backup` command was rewritten
completely. This resolves very annoying issues such as 549. The first backup with this release
of restic will likely result in all files being re-read locally, so it will take a lot longer. The
next backup after that will be fast again.
Basically, with the old code, restic took the last path component of each to-be-saved file or
directory as the top-level file/directory within the snapshot. This meant that when called as
`restic backup /home/user/foo`, the snapshot would contain the files in the directory
`/home/user/foo` as `/foo`.
This is not the case any more with the new archiver code. Now, restic works very similar to what
`tar` does: When restic is called with an absolute path to save, then it'll preserve the
directory structure within the snapshot. For the example above, the snapshot would contain
the files in the directory within `/home/user/foo` in the snapshot. For relative
directories, it only preserves the relative path components. So `restic backup user/foo`
will save the files as `/user/foo` in the snapshot.
While we were at it, the status display and notification system was completely rewritten. By
default, restic now shows which files are currently read (unless `--quiet` is specified) in a
multi-line status display.
The `backup` command also gained a new option: `--verbose`. It can be specified once (which
prints a bit more detail what restic is doing) or twice (which prints a line for each
file/directory restic encountered, together with some statistics).
Another issue that was resolved is the new code only reads two files at most. The old code would
read way too many files in parallel, thereby slowing down the backup process on spinning discs a
lot.
https://github.com/restic/restic/issues/549
https://github.com/restic/restic/issues/1286
https://github.com/restic/restic/issues/446
https://github.com/restic/restic/issues/1344
https://github.com/restic/restic/issues/1416
https://github.com/restic/restic/issues/1456
https://github.com/restic/restic/issues/1145
https://github.com/restic/restic/issues/1160
https://github.com/restic/restic/pull/1494
* Enhancement #1552: Use Google Application Default credentials
Google provide libraries to generate appropriate credentials with various fallback
sources. This change uses the library to generate our GCS client, which allows us to make use of
these extra methods.
This should be backward compatible with previous restic behaviour while adding the
additional capabilities to auth from Google's internal metadata endpoints. For users
running restic in GCP this can make authentication far easier than it was before.
https://github.com/restic/restic/pull/1552
https://developers.google.com/identity/protocols/application-default-credentials
* Enhancement #1477: Accept AWS_SESSION_TOKEN for the s3 backend
Before, it was not possible to use s3 backend with AWS temporary security credentials(with
AWS_SESSION_TOKEN). This change gives higher priority to credentials.EnvAWS credentials
provider.
https://github.com/restic/restic/issues/1477
https://github.com/restic/restic/pull/1479
https://github.com/restic/restic/pull/1647
* Enhancement #1648: Ignore AWS permission denied error when creating a repository
It's not possible to use s3 backend scoped to a subdirectory(with specific permissions).
Restic doesn't try to create repository in a subdirectory, when 'bucket exists' of parent
directory check fails due to permission issues.
https://github.com/restic/restic/pull/1648
* Enhancement #1649: Add illumos/Solaris support
https://github.com/restic/restic/pull/1649
* Enhancement #1709: Improve messages `restic check` prints
Some messages `restic check` prints are not really errors, so from now on restic does not treat
them as errors any more and exits cleanly.
https://github.com/restic/restic/pull/1709
https://forum.restic.net/t/what-is-the-standard-procedure-to-follow-if-a-backup-or-restore-is-interrupted/571/2
* Enhancement #827: Add --new-password-file flag for non-interactive password changes
This makes it possible to change a repository password without being prompted.
https://github.com/restic/restic/issues/827
https://github.com/restic/restic/pull/1720
https://forum.restic.net/t/changing-repo-password-without-prompt/591
* Enhancement #1735: Allow keeping a time range of snaphots
We've added the `--keep-within` option to the `forget` command. It instructs restic to keep
all snapshots within the given duration since the newest snapshot. For example, running
`restic forget --keep-within 5m7d` will keep all snapshots which have been made in the five
months and seven days since the latest snapshot.
https://github.com/restic/restic/pull/1735
* Enhancement #1782: Use default AWS credentials chain for S3 backend
Adds support for file credentials to the S3 backend (e.g. ~/.aws/credentials), and reorders
the credentials chain for the S3 backend to match AWS's standard, which is static credentials,
env vars, credentials file, and finally remote.
https://github.com/restic/restic/pull/1782
Changelog for restic 0.8.3 (2018-02-26)
=======================================
The following sections list the changes in restic 0.8.3 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1633: Fixed unexpected 'pack file cannot be listed' error
* Fix #1641: Ignore files with invalid names in the repo
* Fix #1638: Handle errors listing files in the backend
* Enh #1497: Add --read-data-subset flag to check command
* Enh #1560: Retry all repository file download errors
* Enh #1623: Don't check for presence of files in the backend before writing
* Enh #1634: Upgrade B2 client library, reduce HTTP requests
Details
-------
* Bugfix #1633: Fixed unexpected 'pack file cannot be listed' error
Due to a regression introduced in 0.8.2, the `rebuild-index` and `prune` commands failed to
read pack files with size of 587, 588, 589 or 590 bytes.
https://github.com/restic/restic/issues/1633
https://github.com/restic/restic/pull/1635
* Bugfix #1641: Ignore files with invalid names in the repo
The release 0.8.2 introduced a bug: when restic encounters files in the repo which do not have a
valid name, it tries to load a file with a name of lots of zeroes instead of ignoring it. This is now
resolved, invalid file names are just ignored.
https://github.com/restic/restic/issues/1641
https://github.com/restic/restic/pull/1643
https://forum.restic.net/t/help-fixing-repo-no-such-file/485/3
* Bugfix #1638: Handle errors listing files in the backend
A user reported in the forum that restic completes a backup although a concurrent `prune`
operation was running. A few error messages were printed, but the backup was attempted and
completed successfully. No error code was returned.
This should not happen: The repository is exclusively locked during `prune`, so when `restic
backup` is run in parallel, it should abort and return an error code instead.
It was found that the bug was in the code introduced only recently, which retries a List()
operation on the backend should that fail. It is now corrected.
https://github.com/restic/restic/pull/1638
https://forum.restic.net/t/restic-backup-returns-0-exit-code-when-already-locked/484
* Enhancement #1497: Add --read-data-subset flag to check command
This change introduces ability to check integrity of a subset of repository data packs. This
can be used to spread integrity check of larger repositories over a period of time.
https://github.com/restic/restic/issues/1497
https://github.com/restic/restic/pull/1556
* Enhancement #1560: Retry all repository file download errors
Restic will now retry failed downloads, similar to other operations.
https://github.com/restic/restic/pull/1560
* Enhancement #1623: Don't check for presence of files in the backend before writing
Before, all backend implementations were required to return an error if the file that is to be
written already exists in the backend. For most backends, that means making a request (e.g. via
HTTP) and returning an error when the file already exists.
This is not accurate, the file could have been created between the HTTP request testing for it,
and when writing starts, so we've relaxed this requeriment, which saves one additional HTTP
request per newly added file.
https://github.com/restic/restic/pull/1623
* Enhancement #1634: Upgrade B2 client library, reduce HTTP requests
We've upgraded the B2 client library restic uses to access BackBlaze B2. This reduces the
number of HTTP requests needed to upload a new file from two to one, which should improve
throughput to B2.
https://github.com/restic/restic/pull/1634
Changelog for restic 0.8.2 (2018-02-17)
=======================================
The following sections list the changes in restic 0.8.2 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1506: Limit bandwith at the http.RoundTripper for HTTP based backends
* Fix #1512: Restore directory permissions as the last step
* Fix #1528: Correctly create missing subdirs in data/
* Fix #1590: Strip spaces for lines read via --files-from
* Fix #1589: Complete intermediate index upload
* Fix #1594: Google Cloud Storage: Use generic HTTP transport
* Fix #1595: Backup: Remove bandwidth display
* Enh #1522: Add support for TLS client certificate authentication
* Enh #1541: Reduce number of remote requests during repository check
* Enh #1567: Reduce number of backend requests for rebuild-index and prune
* Enh #1507: Only reload snapshots once per minute for fuse mount
* Enh #1538: Reduce memory allocations for querying the index
* Enh #1549: Speed up querying across indices and scanning existing files
* Enh #1554: Fuse/mount: Correctly handle EOF, add template option
* Enh #1564: Don't terminate ssh on SIGINT
* Enh #1579: Retry Backend.List() in case of errors
* Enh #1584: Limit index file size
Details
-------
* Bugfix #1506: Limit bandwith at the http.RoundTripper for HTTP based backends
https://github.com/restic/restic/issues/1506
https://github.com/restic/restic/pull/1511
* Bugfix #1512: Restore directory permissions as the last step
This change allows restoring into directories that were not writable during backup. Before,
restic created the directory, set the read-only mode and then failed to create files in the
directory. This change now restores the directory (with its permissions) as the very last
step.
https://github.com/restic/restic/issues/1512
https://github.com/restic/restic/pull/1536
* Bugfix #1528: Correctly create missing subdirs in data/
https://github.com/restic/restic/issues/1528
https://github.com/restic/restic/pull/1529
* Bugfix #1590: Strip spaces for lines read via --files-from
Leading and trailing spaces in lines read via `--files-from` are now stripped, so it behaves
the same as with lines read via `--exclude-file`.
https://github.com/restic/restic/issues/1590
https://github.com/restic/restic/pull/1613
* Bugfix #1589: Complete intermediate index upload
After a user posted a comprehensive report of what he observed, we were able to find a bug and
correct it: During backup, restic uploads so-called "intermediate" index files. When the
backup finishes during a transfer of such an intermediate index, the upload is cancelled, but
the backup is finished without an error. This leads to an inconsistent state, where the
snapshot references data that is contained in the repo, but is not referenced in any index.
The situation can be resolved by building a new index with `rebuild-index`, but looks very
confusing at first. Since all the data got uploaded to the repo successfully, there was no risk
of data loss, just minor inconvenience for our users.
https://github.com/restic/restic/pull/1589
https://forum.restic.net/t/error-loading-tree-check-prune-and-forget-gives-error-b2-backend/406
* Bugfix #1594: Google Cloud Storage: Use generic HTTP transport
It was discovered that the Google Cloud Storage backend did not use the generic HTTP transport,
so things such as bandwidth limiting with `--limit-upload` did not work. This is resolved now.
https://github.com/restic/restic/pull/1594
* Bugfix #1595: Backup: Remove bandwidth display
This commit removes the bandwidth displayed during backup process. It is misleading and
seldomly correct, because it's neither the "read bandwidth" (only for the very first backup)
nor the "upload bandwidth". Many users are confused about (and rightly so), c.f. #1581, #1033,
#1591
We'll eventually replace this display with something more relevant when the new archiver code
is ready.
https://github.com/restic/restic/pull/1595
* Enhancement #1522: Add support for TLS client certificate authentication
Support has been added for using a TLS client certificate for authentication to HTTP based
backend. A file containing the PEM encoded private key and certificate can be set using the
`--tls-client-cert` option.
https://github.com/restic/restic/issues/1522
https://github.com/restic/restic/pull/1524
* Enhancement #1541: Reduce number of remote requests during repository check
This change eliminates redundant remote repository calls and significantly improves
repository check time.
https://github.com/restic/restic/issues/1541
https://github.com/restic/restic/pull/1548
* Enhancement #1567: Reduce number of backend requests for rebuild-index and prune
We've found a way to reduce then number of backend requests for the `rebuild-index` and `prune`
operations. This significantly speeds up the operations for high-latency backends.
https://github.com/restic/restic/issues/1567
https://github.com/restic/restic/pull/1574
https://github.com/restic/restic/pull/1575
* Enhancement #1507: Only reload snapshots once per minute for fuse mount
https://github.com/restic/restic/pull/1507
* Enhancement #1538: Reduce memory allocations for querying the index
This change reduces the internal memory allocations when the index data structures in memory
are queried if a blob (part of a file) already exists in the repo. It should speed up backup a bit,
and maybe even reduce RAM usage.
https://github.com/restic/restic/pull/1538
* Enhancement #1549: Speed up querying across indices and scanning existing files
This change increases the whenever a blob (part of a file) is searched for in a restic
repository. This will reduce cpu usage some when backing up files already backed up by restic.
Cpu usage is further decreased when scanning files.
https://github.com/restic/restic/pull/1549
* Enhancement #1554: Fuse/mount: Correctly handle EOF, add template option
We've added the `--snapshot-template` string, which can be used to specify a template for a
snapshot directory. In addition, accessing data after the end of a file via the fuse mount is now
handled correctly.
https://github.com/restic/restic/pull/1554
* Enhancement #1564: Don't terminate ssh on SIGINT
We've reworked the code which runs the `ssh` login for the sftp backend so that it can prompt for a
password (if needed) but does not exit when the user presses CTRL+C (SIGINT) e.g. during
backup. This allows restic to properly shut down when it receives SIGINT and remove the lock
file from the repo, afterwards exiting the `ssh` process.
https://github.com/restic/restic/pull/1564
https://github.com/restic/restic/pull/1588
* Enhancement #1579: Retry Backend.List() in case of errors
https://github.com/restic/restic/pull/1579
* Enhancement #1584: Limit index file size
Before, restic would create a single new index file on `prune` or `rebuild-index`, this may
lead to memory problems when this huge index is created and loaded again. We're now limiting the
size of the index file, and split newly created index files into several smaller ones. This
allows restic to be more memory-efficient.
https://github.com/restic/restic/issues/1412
https://github.com/restic/restic/issues/979
https://github.com/restic/restic/issues/526
https://github.com/restic/restic/pull/1584
Changelog for restic 0.8.1 (2017-12-27)
=======================================
The following sections list the changes in restic 0.8.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1457: Improve s3 backend with DigitalOcean Spaces
* Fix #1454: Correct cache dir location for Windows and Darwin
* Fix #1459: Disable handling SIGPIPE
* Chg #1452: Do not save atime by default
* Enh #1436: Add code to detect old cache directories
* Enh #1439: Improve cancellation logic
* Enh #11: Add the `diff` command
Details
-------
* Bugfix #1457: Improve s3 backend with DigitalOcean Spaces
https://github.com/restic/restic/issues/1457
https://github.com/restic/restic/pull/1459
* Bugfix #1454: Correct cache dir location for Windows and Darwin
The cache directory on Windows and Darwin was not correct, instead the directory `.cache` was
used.
https://github.com/restic/restic/pull/1454
* Bugfix #1459: Disable handling SIGPIPE
We've disabled handling SIGPIPE again. Turns out, writing to broken TCP connections also
raised SIGPIPE, so restic exits on the first write to a broken connection. Instead, restic
should retry the request.
https://github.com/restic/restic/issues/1457
https://github.com/restic/restic/issues/1466
https://github.com/restic/restic/pull/1459
* Change #1452: Do not save atime by default
By default, the access time for files and dirs is not saved any more. It is not possible to
reliably disable updating the access time during a backup, so for the next backup the access
time is different again. This means a lot of metadata is saved. If you want to save the access time
anyway, pass `--with-atime` to the `backup` command.
https://github.com/restic/restic/pull/1452
* Enhancement #1436: Add code to detect old cache directories
We've added code to detect old cache directories of repositories that haven't been used in a
long time, restic now prints a note when it detects that such dirs exist. Also, the option
`--cleanup-cache` was added to automatically remove such directories. That's not a problem
because the cache will be rebuild once a repo is accessed again.
https://github.com/restic/restic/pull/1436
* Enhancement #1439: Improve cancellation logic
The cancellation logic was improved, restic can now shut down cleanly when requested to do so
(e.g. via ctrl+c).
https://github.com/restic/restic/pull/1439
* Enhancement #11: Add the `diff` command
The command `diff` was added, it allows comparing two snapshots and listing all differences.
https://github.com/restic/restic/issues/11
https://github.com/restic/restic/issues/1460
https://github.com/restic/restic/pull/1462
Changelog for restic 0.8.0 (2017-11-26)
=======================================
The following sections list the changes in restic 0.8.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Sec #1445: Prevent writing outside the target directory during restore
* Fix #1256: Re-enable workaround for S3 backend
* Fix #1291: Reuse backend TCP connections to BackBlaze B2
* Fix #1317: Run prune when `forget --prune` is called with just snapshot IDs
* Fix #1437: Remove implicit path `/restic` for the s3 backend
* Enh #1102: Add subdirectory `ids` to fuse mount
* Enh #1114: Add `--cacert` to specify TLS certificates to check against
* Enh #1216: Add upload/download limiting
* Enh #1271: Cache results for excludes for `backup`
* Enh #1274: Add `generate` command, replaces `manpage` and `autocomplete`
* Enh #1367: Allow comments in files read from via `--file-from`
* Enh #448: Sftp backend prompts for password
* Enh #510: Add `dump` command
* Enh #1040: Add local metadata cache
* Enh #1249: Add `latest` symlink in fuse mount
* Enh #1269: Add `--compact` to `forget` command
* Enh #1281: Google Cloud Storage backend needs less permissions
* Enh #1319: Make `check` print `no errors found` explicitly
* Enh #1353: Retry failed backend requests
Details
-------
* Security #1445: Prevent writing outside the target directory during restore
A vulnerability was found in the restic restorer, which allowed attackers in special
circumstances to restore files to a location outside of the target directory. Due to the
circumstances we estimate this to be a low-risk vulnerability, but urge all users to upgrade to
the latest version of restic.
Exploiting the vulnerability requires a Linux/Unix system which saves backups via restic and
a Windows systems which restores files from the repo. In addition, the attackers need to be able
to create files with arbitrary names which are then saved to the restic repo. For example, by
creating a file named "..\test.txt" (which is a perfectly legal filename on Linux) and
restoring a snapshot containing this file on Windows, it would be written to the parent of the
target directory.
We'd like to thank Tyler Spivey for reporting this responsibly!
https://github.com/restic/restic/pull/1445
* Bugfix #1256: Re-enable workaround for S3 backend
We've re-enabled a workaround for `minio-go` (the library we're using to access s3 backends),
this reduces memory usage.
https://github.com/restic/restic/issues/1256
https://github.com/restic/restic/pull/1267
* Bugfix #1291: Reuse backend TCP connections to BackBlaze B2
A bug was discovered in the library we're using to access Backblaze, it now reuses already
established TCP connections which should be a lot faster and not cause network failures any
more.
https://github.com/restic/restic/issues/1291
https://github.com/restic/restic/pull/1301
* Bugfix #1317: Run prune when `forget --prune` is called with just snapshot IDs
A bug in the `forget` command caused `prune` not to be run when `--prune` was specified without a
policy, e.g. when only snapshot IDs that should be forgotten are listed manually.
https://github.com/restic/restic/pull/1317
* Bugfix #1437: Remove implicit path `/restic` for the s3 backend
The s3 backend used the subdir `restic` within a bucket if no explicit path after the bucket name
was specified. Since this version, restic does not use this default path any more. If you
created a repo on s3 in a bucket without specifying a path within the bucket, you need to add
`/restic` at the end of the repository specification to access your repo:
`s3:s3.amazonaws.com/bucket/restic`
https://github.com/restic/restic/issues/1292
https://github.com/restic/restic/pull/1437
* Enhancement #1102: Add subdirectory `ids` to fuse mount
The fuse mount now has an `ids` subdirectory which contains the snapshots below their (short)
IDs.
https://github.com/restic/restic/issues/1102
https://github.com/restic/restic/pull/1299
https://github.com/restic/restic/pull/1320
* Enhancement #1114: Add `--cacert` to specify TLS certificates to check against
We've added the `--cacert` option which can be used to pass one (or more) CA certificates to
restic. These are used in addition to the system CA certificates to verify HTTPS certificates
(e.g. for the REST backend).
https://github.com/restic/restic/issues/1114
https://github.com/restic/restic/pull/1276
* Enhancement #1216: Add upload/download limiting
We've added support for rate limiting through `--limit-upload` and `--limit-download`
flags.
https://github.com/restic/restic/issues/1216
https://github.com/restic/restic/pull/1336
https://github.com/restic/restic/pull/1358
* Enhancement #1271: Cache results for excludes for `backup`
The `backup` command now caches the result of excludes for a directory.
https://github.com/restic/restic/issues/1271
https://github.com/restic/restic/pull/1326
* Enhancement #1274: Add `generate` command, replaces `manpage` and `autocomplete`
The `generate` command has been added, which replaces the now removed commands `manpage` and
`autocomplete`. This release of restic contains the most recent manpages in `doc/man` and the
auto-completion files for bash and zsh in `doc/bash-completion.sh` and
`doc/zsh-completion.zsh`
https://github.com/restic/restic/issues/1274
https://github.com/restic/restic/pull/1282
* Enhancement #1367: Allow comments in files read from via `--file-from`
When the list of files/dirs to be saved is read from a file with `--files-from`, comment lines
(starting with `#`) are now ignored.
https://github.com/restic/restic/issues/1367
https://github.com/restic/restic/pull/1368
* Enhancement #448: Sftp backend prompts for password
The sftp backend now prompts for the password if a password is necessary for login.
https://github.com/restic/restic/issues/448
https://github.com/restic/restic/pull/1270
* Enhancement #510: Add `dump` command
We've added the `dump` command which prints a file from a snapshot to stdout. This can e.g. be
used to restore files read with `backup --stdin`.
https://github.com/restic/restic/issues/510
https://github.com/restic/restic/pull/1346
* Enhancement #1040: Add local metadata cache
We've added a local cache for metadata so that restic doesn't need to load all metadata
(snapshots, indexes, ...) from the repo each time it starts. By default the cache is active, but
there's a new global option `--no-cache` that can be used to disable the cache. By deafult, the
cache a standard cache folder for the OS, which can be overridden with `--cache-dir`. The cache
will automatically populate, indexes and snapshots are saved as they are loaded. Cache
directories for repos that haven't been used recently can automatically be removed by restic
with the `--cleanup-cache` option.
A related change was to by default create pack files in the repo that contain either data or
metadata, not both mixed together. This allows easy caching of only the metadata files. The
next run of `restic prune` will untangle mixed files automatically.
https://github.com/restic/restic/issues/29
https://github.com/restic/restic/issues/738
https://github.com/restic/restic/issues/282
https://github.com/restic/restic/pull/1040
https://github.com/restic/restic/pull/1287
https://github.com/restic/restic/pull/1436
https://github.com/restic/restic/pull/1265
* Enhancement #1249: Add `latest` symlink in fuse mount
The directory structure in the fuse mount now exposes a symlink `latest` which points to the
latest snapshot in that particular directory.
https://github.com/restic/restic/pull/1249
* Enhancement #1269: Add `--compact` to `forget` command
The option `--compact` was added to the `forget` command to provide the same compact view as the
`snapshots` command.
https://github.com/restic/restic/pull/1269
* Enhancement #1281: Google Cloud Storage backend needs less permissions
The Google Cloud Storage backend no longer requires the service account to have the
`storage.buckets.get` permission ("Storage Admin" role) in `restic init` if the bucket
already exists.
https://github.com/restic/restic/pull/1281
* Enhancement #1319: Make `check` print `no errors found` explicitly
The `check` command now explicetly prints `No errors were found` when no errors could be found.
https://github.com/restic/restic/issues/1303
https://github.com/restic/restic/pull/1319
* Enhancement #1353: Retry failed backend requests
https://github.com/restic/restic/pull/1353
Changelog for restic 0.7.3 (2017-09-20)
=======================================
The following sections list the changes in restic 0.7.3 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1246: List all files stored in Google Cloud Storage
Details
-------
* Bugfix #1246: List all files stored in Google Cloud Storage
For large backups stored in Google Cloud Storage, the `prune` command fails because listing
only returns the first 1000 files. This has been corrected, no data is lost in the process. In
addition, a plausibility check was added to `prune`.
https://github.com/restic/restic/issues/1246
https://github.com/restic/restic/pull/1247
Changelog for restic 0.7.2 (2017-09-13)
=======================================
The following sections list the changes in restic 0.7.2 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1167: Do not create a local repo unless `init` is used
* Fix #1164: Make the `key remove` command behave as documented
* Fix #1191: Make sure to write profiling files on interrupt
* Enh #1132: Make `key` command always prompt for a password
* Enh #1179: Resolve name conflicts, append a counter
* Enh #1218: Add `--compact` to `snapshots` command
* Enh #317: Add `--exclude-caches` and `--exclude-if-present`
* Enh #697: Automatically generate man pages for all restic commands
* Enh #1044: Improve `restore`, do not traverse/load excluded directories
* Enh #1061: Add Dockerfile and official Docker image
* Enh #1126: Use the standard Go git repository layout, use `dep` for vendoring
* Enh #1134: Add support for storing backups on Google Cloud Storage
* Enh #1144: Properly report errors when reading files with exclude patterns
* Enh #1149: Add support for storing backups on Microsoft Azure Blob Storage
* Enh #1196: Add `--group-by` to `forget` command for flexible grouping
* Enh #1203: Print stats on all BSD systems when SIGINFO (ctrl+t) is received
* Enh #1205: Allow specifying time/date for a backup with `--time`
Details
-------
* Bugfix #1167: Do not create a local repo unless `init` is used
When a restic command other than `init` is used with a local repository and the repository
directory does not exist, restic creates the directory structure. That's an error, only the
`init` command should create the dir.
https://github.com/restic/restic/issues/1167
https://github.com/restic/restic/pull/1182
* Bugfix #1164: Make the `key remove` command behave as documented
https://github.com/restic/restic/pull/1164
* Bugfix #1191: Make sure to write profiling files on interrupt
Since a few releases restic had the ability to write profiling files for memory and CPU usage
when `debug` is enabled. It was discovered that when restic is interrupted (ctrl+c is
pressed), the proper shutdown hook is not run. This is now corrected.
https://github.com/restic/restic/pull/1191
* Enhancement #1132: Make `key` command always prompt for a password
The `key` command now prompts for a password even if the original password to access a repo has
been specified via the `RESTIC_PASSWORD` environment variable or a password file.
https://github.com/restic/restic/issues/1132
https://github.com/restic/restic/pull/1133
* Enhancement #1179: Resolve name conflicts, append a counter
https://github.com/restic/restic/issues/1179
https://github.com/restic/restic/pull/1209
* Enhancement #1218: Add `--compact` to `snapshots` command
The option `--compact` was added to the `snapshots` command to get a better overview of the
snapshots in a repo. It limits each snapshot to a single line.
https://github.com/restic/restic/issues/1218
https://github.com/restic/restic/pull/1223
* Enhancement #317: Add `--exclude-caches` and `--exclude-if-present`
A new option `--exclude-caches` was added that allows excluding cache directories (that are
tagged as such). This is a special case of a more generic option `--exclude-if-present` which
excludes a directory if a file with a specific name (and contents) is present.
https://github.com/restic/restic/issues/317
https://github.com/restic/restic/pull/1170
https://github.com/restic/restic/pull/1224
* Enhancement #697: Automatically generate man pages for all restic commands
https://github.com/restic/restic/issues/697
https://github.com/restic/restic/pull/1147
* Enhancement #1044: Improve `restore`, do not traverse/load excluded directories
https://github.com/restic/restic/pull/1044
* Enhancement #1061: Add Dockerfile and official Docker image
https://github.com/restic/restic/pull/1061
* Enhancement #1126: Use the standard Go git repository layout, use `dep` for vendoring
The git repository layout was changed to resemble the layout typically used in Go projects,
we're not using `gb` for building restic any more and vendoring the dependencies is now taken
care of by `dep`.
https://github.com/restic/restic/pull/1126
* Enhancement #1134: Add support for storing backups on Google Cloud Storage
https://github.com/restic/restic/issues/211
https://github.com/restic/restic/pull/1134
https://github.com/restic/restic/pull/1052
* Enhancement #1144: Properly report errors when reading files with exclude patterns
https://github.com/restic/restic/pull/1144
* Enhancement #1149: Add support for storing backups on Microsoft Azure Blob Storage
The library we're using to access the service requires Go 1.8, so restic now needs at least Go
1.8.
https://github.com/restic/restic/issues/609
https://github.com/restic/restic/pull/1149
https://github.com/restic/restic/pull/1059
* Enhancement #1196: Add `--group-by` to `forget` command for flexible grouping
https://github.com/restic/restic/pull/1196
* Enhancement #1203: Print stats on all BSD systems when SIGINFO (ctrl+t) is received
https://github.com/restic/restic/pull/1203
https://github.com/restic/restic/pull/1082#issuecomment-326279920
* Enhancement #1205: Allow specifying time/date for a backup with `--time`
https://github.com/restic/restic/pull/1205
Changelog for restic 0.7.1 (2017-07-22)
=======================================
The following sections list the changes in restic 0.7.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1115: Fix `prune`, only include existing files in indexes
* Enh #1055: Create subdirs below `data/` for local/sftp backends
* Enh #1067: Allow loading credentials for s3 from IAM
* Enh #1073: Add `migrate` cmd to migrate from `s3legacy` to `default` layout
* Enh #1081: Clarify semantic for `--tag` for the `forget` command
* Enh #1080: Ignore chmod() errors on filesystems which do not support it
* Enh #1082: Print stats on SIGINFO on Darwin and FreeBSD (ctrl+t)
Details
-------
* Bugfix #1115: Fix `prune`, only include existing files in indexes
A bug was found (and corrected) in the index rebuilding after prune, which led to indexes which
include blobs that were not present in the repo any more. There were already checks in place
which detected this situation and aborted with an error message. A new run of either `prune` or
`rebuild-index` corrected the index files. This is now fixed and a test has been added to detect
this.
https://github.com/restic/restic/pull/1115
* Enhancement #1055: Create subdirs below `data/` for local/sftp backends
The local and sftp backends now create the subdirs below `data/` on open/init. This way, restic
makes sure that they always exist. This is connected to an issue for the sftp server.
https://github.com/restic/restic/issues/1055
https://github.com/restic/rest-server/pull/11#issuecomment-309879710
https://github.com/restic/restic/pull/1077
https://github.com/restic/restic/pull/1105
* Enhancement #1067: Allow loading credentials for s3 from IAM
When no S3 credentials are specified in the environment variables, restic now tries to load
credentials from an IAM instance profile when the s3 backend is used.
https://github.com/restic/restic/issues/1067
https://github.com/restic/restic/pull/1086
* Enhancement #1073: Add `migrate` cmd to migrate from `s3legacy` to `default` layout
The `migrate` command for changing the `s3legacy` layout to the `default` layout for s3
backends has been improved: It can now be restarted with `restic migrate --force s3_layout`
and automatically retries operations on error.
https://github.com/restic/restic/issues/1073
https://github.com/restic/restic/pull/1075
* Enhancement #1081: Clarify semantic for `--tag` for the `forget` command
https://github.com/restic/restic/issues/1081
https://github.com/restic/restic/pull/1090
* Enhancement #1080: Ignore chmod() errors on filesystems which do not support it
https://github.com/restic/restic/pull/1080
https://github.com/restic/restic/pull/1112
* Enhancement #1082: Print stats on SIGINFO on Darwin and FreeBSD (ctrl+t)
https://github.com/restic/restic/pull/1082
Changelog for restic 0.7.0 (2017-07-01)
=======================================
The following sections list the changes in restic 0.7.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1013: Switch back to using the high-level minio-go API for s3
* Fix #965: Switch to `default` repo layout for the s3 backend
* Enh #1021: Detect invalid backend name and print error
* Enh #1029: Remove invalid pack files when `prune` is run
* Enh #512: Add Backblaze B2 backend
* Enh #636: Add dirs `tags` and `hosts` to fuse mount
* Enh #989: Improve performance of the `find` command
* Enh #975: Add new backend for OpenStack Swift
* Enh #998: Improve performance of the fuse mount
Details
-------
* Bugfix #1013: Switch back to using the high-level minio-go API for s3
For the s3 backend we're back to using the high-level API the s3 client library for uploading
data, a few users reported dropped connections (which the library will automatically retry
now).
https://github.com/restic/restic/issues/1013
https://github.com/restic/restic/issues/1023
https://github.com/restic/restic/pull/1025
* Bugfix #965: Switch to `default` repo layout for the s3 backend
The default layout for the s3 backend is now `default` (instead of `s3legacy`). Also, there's a
new `migrate` command to convert an existing repo, it can be run like this: `restic migrate
s3_layout`
https://github.com/restic/restic/issues/965
https://github.com/restic/restic/pull/1004
* Enhancement #1021: Detect invalid backend name and print error
Restic now tries to detect when an invalid/unknown backend is used and returns an error
message.
https://github.com/restic/restic/issues/1021
https://github.com/restic/restic/pull/1070
* Enhancement #1029: Remove invalid pack files when `prune` is run
The `prune` command has been improved and will now remove invalid pack files, for example files
that have not been uploaded completely because a backup was interrupted.
https://github.com/restic/restic/issues/1029
https://github.com/restic/restic/pull/1036
* Enhancement #512: Add Backblaze B2 backend
https://github.com/restic/restic/issues/512
https://github.com/restic/restic/pull/978
* Enhancement #636: Add dirs `tags` and `hosts` to fuse mount
The fuse mount now has two more directories: `tags` contains a subdir for each tag, which in turn
contains only the snapshots that have this tag. The subdir `hosts` contains a subdir for each
host that has a snapshot, and the subdir contains the snapshots for that host.
https://github.com/restic/restic/issues/636
https://github.com/restic/restic/pull/1050
* Enhancement #989: Improve performance of the `find` command
Improved performance for the `find` command: Restic recognizes paths it has already checked
for the files in question, so the number of backend requests is reduced a lot.
https://github.com/restic/restic/issues/989
https://github.com/restic/restic/pull/993
* Enhancement #975: Add new backend for OpenStack Swift
https://github.com/restic/restic/pull/975
https://github.com/restic/restic/pull/648
* Enhancement #998: Improve performance of the fuse mount
Listing directories which contain large files now is significantly faster.
https://github.com/restic/restic/pull/998
Changelog for restic 0.6.1 (2017-06-01)
=======================================
The following sections list the changes in restic 0.6.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Enh #985: Allow multiple parallel idle HTTP connections
* Enh #981: Remove temporary path from binary in `build.go`
* Enh #974: Remove regular status reports
Details
-------
* Enhancement #985: Allow multiple parallel idle HTTP connections
Backends based on HTTP now allow several idle connections in parallel. This is especially
important for the REST backend, which (when used with a local server) may create a lot
connections and exhaust available ports quickly.
https://github.com/restic/restic/issues/985
https://github.com/restic/restic/pull/986
* Enhancement #981: Remove temporary path from binary in `build.go`
The `build.go` now strips the temporary directory used for compilation from the binary. This
is the first step in enabling reproducible builds.
https://github.com/restic/restic/pull/981
* Enhancement #974: Remove regular status reports
Regular status report: We've removed the status report that was printed every 10 seconds when
restic is run non-interactively. You can still force reporting the current status by sending a
`USR1` signal to the process.
https://github.com/restic/restic/pull/974
Changelog for restic 0.6.0 (2017-05-29)
=======================================
The following sections list the changes in restic 0.6.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Enh #957: Make `forget` consistent
* Enh #966: Unify repository layout for all backends
* Enh #962: Improve memory and runtime for the s3 backend
Details
-------
* Enhancement #957: Make `forget` consistent
The `forget` command was corrected to be more consistent in which snapshots are to be
forgotten. It is possible that the new code removes more snapshots than before, so please
review what would be deleted by using the `--dry-run` option.
https://github.com/restic/restic/issues/953
https://github.com/restic/restic/pull/957
* Enhancement #966: Unify repository layout for all backends
Up to now the s3 backend used a special repository layout. We've decided to unify the repository
layout and implemented the default layout also for the s3 backend. For creating a new
repository on s3 with the default layout, use `restic -o s3.layout=default init`. For further
commands the option is not necessary any more, restic will automatically detect the correct
layout to use. A future version will switch to the default layout for new repositories.
https://github.com/restic/restic/issues/965
https://github.com/restic/restic/pull/966
* Enhancement #962: Improve memory and runtime for the s3 backend
We've updated the library used for accessing s3, switched to using a lower level API and added
caching for some requests. This lead to a decrease in memory usage and a great speedup. In
addition, we added benchmark functions for all backends, so we can track improvements over
time. The Continuous Integration test service we're using (Travis) now runs the s3 backend
tests not only against a Minio server, but also against the Amazon s3 live service, so we should
be notified of any regressions much sooner.
https://github.com/restic/restic/pull/962
https://github.com/restic/restic/pull/960
https://github.com/restic/restic/pull/946
https://github.com/restic/restic/pull/938
https://github.com/restic/restic/pull/883
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