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rewrite: Don't walk snapshot content if only metadata is modified

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This commit is contained in:
Michael Eischer 2023-12-24 14:40:12 +01:00
parent 893d0d6325
commit 2730d05fce
1 changed files with 29 additions and 19 deletions
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16
cmd/restic/cmd_rewrite.go
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@ -123,6 +123,9 @@ func rewriteSnapshot(ctx context.Context, repo *repository.Repository, sn *resti
return false, err return false, err
} }
var filter rewriteFilterFunc
if len(rejectByNameFuncs) > 0 {
selectByName := func(nodepath string) bool { selectByName := func(nodepath string) bool {
for _, reject := range rejectByNameFuncs { for _, reject := range rejectByNameFuncs {
if reject(nodepath) { if reject(nodepath) {
@ -143,10 +146,17 @@ func rewriteSnapshot(ctx context.Context, repo *repository.Repository, sn *resti
DisableNodeCache: true, DisableNodeCache: true,
}) })
return filterAndReplaceSnapshot(ctx, repo, sn, filter = func(ctx context.Context, sn *restic.Snapshot) (restic.ID, error) {
func(ctx context.Context, sn *restic.Snapshot) (restic.ID, error) {
return rewriter.RewriteTree(ctx, repo, "/", *sn.Tree) return rewriter.RewriteTree(ctx, repo, "/", *sn.Tree)
}, opts.DryRun, opts.Forget, metadata, "rewrite") }
} else {
filter = func(ctx context.Context, sn *restic.Snapshot) (restic.ID, error) {
return *sn.Tree, nil
}
}
return filterAndReplaceSnapshot(ctx, repo, sn,
filter, opts.DryRun, opts.Forget, metadata, "rewrite")
} }
func filterAndReplaceSnapshot(ctx context.Context, repo restic.Repository, sn *restic.Snapshot, func filterAndReplaceSnapshot(ctx context.Context, repo restic.Repository, sn *restic.Snapshot,