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123 Commits

Author SHA1 Message Date
Gurjeet Singh 34a6a24544 Use S3's proper product name, Amazon S3 
Per Amazon's product page [1], S3 is officially called "Amazon S3". The
restic project uses the phrase "AWS S3" in some places. This patch
corrects the product name.

[1]:https://aws.amazon.com/s3/
 2021-11-13 22:21:06 +01:00
Alexander Neumann 8fe122d675
Merge pull request #3488 from MichaelEischer/rebuild-broken-index 
Fix `rebuild-index` for damaged index
 2021-09-07 17:00:23 +02:00
Alexander Weiss 81876d5c1b Simplify cache logic 2021-09-03 21:01:00 +02:00
Michael Eischer 877fc9f352 rebuild-index: test that invalid indexes are skipped and removed 2021-08-22 18:24:19 +02:00
Alexander Neumann d90efd7704 Fix test 2021-08-09 10:30:10 +02:00
Alexander Neumann 9fe5a87785
Merge pull request #3429 from MichaelEischer/safe-key-change 
key: Check that new key works before deleting the old one
 2021-08-09 10:07:15 +02:00
Alexander Weiss d107a2cfdf Separate dry run tests 2021-08-04 21:19:29 +02:00
Ryan Hitchman 77bf148460 backup: add --dry-run/-n flag to show what would happen. 
This can be used to check how large a backup is or validate exclusions.
It does not actually write any data to the underlying backend. This is
implemented as a simple overlay backend that accepts writes without
forwarding them, passes through reads, and generally does the minimal
necessary to pretend that progress is actually happening.

Fixes #1542

Example usage:

$ restic -vv --dry-run . | grep add
new       /changelog/unreleased/issue-1542, saved in 0.000s (350 B added)
modified  /cmd/restic/cmd_backup.go, saved in 0.000s (16.543 KiB added)
modified  /cmd/restic/global.go, saved in 0.000s (0 B added)
new       /internal/backend/dry/dry_backend_test.go, saved in 0.000s (3.866 KiB added)
new       /internal/backend/dry/dry_backend.go, saved in 0.000s (3.744 KiB added)
modified  /internal/backend/test/tests.go, saved in 0.000s (0 B added)
modified  /internal/repository/repository.go, saved in 0.000s (20.707 KiB added)
modified  /internal/ui/backup.go, saved in 0.000s (9.110 KiB added)
modified  /internal/ui/jsonstatus/status.go, saved in 0.001s (11.055 KiB added)
modified  /restic, saved in 0.131s (25.542 MiB added)
Would add to the repo: 25.892 MiB
 2021-08-04 21:19:29 +02:00
Michael Eischer 454b6d608e key: Add test that failed key saves don't break the repository 2021-06-13 13:46:48 +02:00
Michael Eischer 427781928f copy: test that trees with unstable json encoding are properly copied 2021-03-08 22:16:48 +01:00
Alexander Neumann f867e65bcd Fix issues reported by staticcheck 2021-01-30 20:43:53 +01:00
Alexander Neumann aef3658a5f Address review comments 2021-01-30 20:02:37 +01:00
Alexander Neumann 200f09522d Add more error checks 2021-01-30 20:02:37 +01:00
Michael Eischer f3442ce8a5 Test that WriteTo of a backend's Load remains accessible 2021-01-03 22:23:53 +01:00
MichaelEischer e1efc193e1
Merge pull request #3139 from aawsome/prune-healing 
prune: Add healing of repository in some situations
 2020-12-29 22:17:27 +01:00
Alexander Weiss f6df94a50e prune: Add self-healing 
Allow prune to heal situations where blobs in the index are missing or
the corresponding packfiles are damaged if those blobs are not needed.
 2020-12-29 20:20:05 +01:00
Quentin Lemaire 25ecf9eafb
fix(cmd_tag): Use restic.TagLists 2020-12-29 17:12:46 +01:00
Quentin Lemaire e88f3fb80c
fix(cmd_backup): Use restic.TagLists 2020-12-29 17:12:46 +01:00
Alexander Weiss 30b6a0878a Reimplement rebuild-index 2020-11-15 07:05:09 +01:00
Alexander Weiss d2e53730d6 Add test that repo.List is only called once 2020-11-06 20:23:30 +01:00
Alexander Neumann 5144141321
Merge pull request #2718 from aawsome/new-cleanup-command 
Reimplementation of prune
 2020-11-05 10:12:19 +01:00
fgma 916b2d303b
vss: fix potential crash (not reachable in restic) (#3045) 
HasSufficientPrivilegesForVSS() now returns an error
 2020-11-04 22:14:18 +01:00
Alexander Neumann c1a3de4a6e Refactor max-unused calculation, add `unlimited` option 
Add a callback to the PruneOptions struct which calculates the number of
bytes allowed to be unused after prune is done. This way, the logic is
closer to the option parsing code.

Also, add an explicit option `unlimited` for the use case when storage
does not matter but bandwidth and time do. Internally, this sets the
maximum number of unused bytes to MaxUint64.

Rework the documentation slightly so that no more "packs" are
mentioned and it talks about "files" instead.

Make it clear in the documentation that the percentage given to
`--max-unused` is relative to the whole repository size after pruning is
done. If specified, it must be below 100%, otherwise the repository
would contain 100% of unused data, which is pointless.

I had a hard time coming up with the correct formula to calculate the
maximum number of unused bytes based on the number of used bytes. For a
fraction `p` (0 ≤ p < 1), a repo with `u` bytes used, and the number of
unused bytes `x` the following holds:

      x ≤ p * (u+x)
    ⇔ x ≤ p*u + p*x
    ⇔ x - p*x ≤ p*u
    ⇔ x * (1-p) ≤ p*u
    ⇔ x ≤ p/(1-p) * u
 2020-11-03 16:42:21 +01:00
Alexander Neumann 095155d9ce Remove RepackSmall 2020-11-03 16:42:21 +01:00
Alexander Weiss 7f9a0a5907 Reimplementation of prune 2020-11-03 16:42:21 +01:00
Alexander Neumann 445b845267
Merge pull request #2978 from MichaelEischer/warn-tree-error 
Warn if backup failed to read tree blob
 2020-11-02 10:14:12 +01:00
MichaelEischer 31b8d7a639
Merge pull request #2274 from fgma/master 
Support for Volume Shadow Copy Service (VSS) on windows
 2020-10-24 15:43:34 +02:00
fgma 5695f9ebd2 vss: Implement VSS support for Windows 
The VSS support works for 32 and 64-bit windows, this includes a check that
the restic version matches the OS architecture as required by VSS. The backup
operation will fail the user has not sufficient permissions to use VSS.

Snapshotting volumes also covers mountpoints but skips UNC paths.
 2020-10-24 11:35:57 +02:00
Alexander Neumann 56883817d8
Merge pull request #2990 from MichaelEischer/fix-goreport-warnings 
Fix some goreport warnings
 2020-10-12 20:44:56 +02:00
Michael Eischer 50da20d93d Warn if backup failed to read tree blob 2020-10-09 22:36:27 +02:00
MichaelEischer 0ae02f3030
Merge pull request #2844 from aawsome/prune-integration-tests 
Add prune integration tests for many edge cases
 2020-10-06 23:16:41 +02:00
Alexander Weiss 6822a58413 Add prune integration tests for many edge cases 2020-10-06 20:20:05 +02:00
Michael Eischer 1579d2a8ec Remove some unused assignments 2020-10-06 14:55:13 +02:00
Michael Eischer eba5dd831f Fix typos reported by misspell 2020-10-06 14:55:13 +02:00
MichaelEischer 4875f7b659
Merge pull request #2614 from greatroar/simplify-fs 
Simplify internal/fs
 2020-09-21 22:05:10 +02:00
Michael Eischer f003410402 init: Add `--copy-chunker-params` option 
This allows creating multiple repositories with identical chunker
parameters which is required for working deduplication when copying
snapshots between different repositories.
 2020-09-19 16:53:05 +02:00
Michael Eischer 655430550b Extract parameters for second repository from copy command 2020-09-19 16:07:55 +02:00
greatroar 9abef3bf1a Move internal/fs.TestChdir to internal/test.Chdir 2020-09-17 10:43:33 +02:00
Michael Eischer c0fc85d303 diff: Add integration test 2020-09-13 16:28:46 +02:00
Michael Eischer b22655367c integration_test: Replace fprintf without format string 2020-09-05 10:07:16 +02:00
Michael Eischer 068a3ce23f Remove redundant return 2020-09-05 10:07:16 +02:00
Michael Eischer d19f05c960 Use buf.String() instead of string(buf.Bytes()) 2020-09-05 10:07:16 +02:00
Michael Eischer 460e2ffbf6 Collapse a few boolean operations 2020-09-05 10:07:14 +02:00
Michael Eischer 2f8335554c Remove a few unused variables 2020-09-05 10:06:23 +02:00
Michael Eischer 9a4796594a integration tests: Fix checking of wrong snapshot 2020-08-29 10:48:44 +02:00
Michael Eischer 15374d22e9 integration tests: Add basic tests for copy command 2020-08-29 10:48:44 +02:00
Michael Eischer 88ad58d6cd integration tests: Redirect directory diff into intermediate buffer 2020-08-29 10:48:44 +02:00
Michael Eischer 591a8c4cdf integration tests: Deduplicate backup test-data setup code 2020-08-29 10:48:44 +02:00
Michael Eischer 08d24ff99e prune: Include ID of all missing blobs in error message 2020-08-16 11:36:14 +02:00
Michael Eischer 1c84aceb39 prune: Test for abort on damaged repositories 2020-08-16 11:36:12 +02:00