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rewrite: address most review comments

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