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rewrite: address most review comments

This commit is contained in:
Michael Eischer 2022-09-06 22:00:37 +02:00
parent b922774343
commit 82592b88b5
2 changed files with 19 additions and 19 deletions
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8
changelog/unreleased/issue-14
View File

@ -1,3 +1,7 @@
Change: Implement rewrite command
Enhancement: Implement rewrite command
TODO: write here
We've added a new command which allows to rewrite existing snapshots to remove
unwanted files.
https://github.com/restic/restic/issues/14
https://github.com/restic/restic/pull/2731

30
cmd/restic/cmd_rewrite.go
View File

@ -14,23 +14,24 @@ import (
)
var cmdRewrite = &cobra.Command{
Use: "rewrite [f] [all|snapshotID ...]",
Short: "Modify existing snapshots by deleting files",
Use: "rewrite [flags] [all|snapshotID ...]",
Short: "Rewrite existing snapshots",
Long: `
The "rewrite" command excludes files from existing snapshots.
By default 'rewrite' will create new snapshot that will contains same data as
source snapshot except excluded data. All metadata (time, host, tags) will be preserved.
Special tag 'rewrite' will be added to new snapshot to distinguish it from source
(unless --inplace is used)
By default 'rewrite' will create new snapshots that will contains same data as
the source snapshots but without excluded files. All metadata (time, host, tags)
will be preserved. The special tag 'rewrite' will be added to new snapshots to
distinguish it from the source (unless --inplace is used).
If --inplace option is used, old snapshot will be removed from repository.
Snapshots to rewrite are specified using --host, --tag, --path or by providing list of snapshotID.
Alternatively it's possible to use special 'all' snapshot that will match all snapshots
Snapshots to rewrite are specified using --host, --tag, --path or by providing
a list of snapshot ids. Alternatively it's possible to use special snapshot id 'all'
that will match all snapshots.
Please note, that this command only modifies snapshot objects. In order to delete
data from repository use 'prune' command
Please note, that this command only creates new snapshots. In order to delete
data from the repository use 'prune' command.
EXIT STATUS
===========
@ -43,9 +44,8 @@ Exit status is 0 if the command was successful, and non-zero if there was any er
},
}
// RewriteOptions collects all options for the ls command.
// RewriteOptions collects all options for the rewrite command.
type RewriteOptions struct {
// TagOptions bundles all options for the 'tag' command.
Hosts []string
Paths []string
Tags restic.TagLists
@ -214,10 +214,6 @@ func rewriteSnapshot(ctx context.Context, repo *repository.Repository, sn *resti
if err != nil {
return false, err
}
err = repo.Flush(ctx)
if err != nil {
return true, err
}
if opts.Inplace {
h := restic.Handle{Type: restic.SnapshotFile, Name: sn.ID().String()}
@ -250,7 +246,7 @@ func runRewrite(ctx context.Context, opts RewriteOptions, gopts GlobalOptions, a
return err
}
if !gopts.NoLock && !opts.DryRun {
if !opts.DryRun {
Verbosef("create exclusive lock for repository\n")
var lock *restic.Lock
lock, ctx, err = lockRepoExclusive(ctx, repo)