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Extend find --show-pack-id to work with --tree

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This commit is contained in:
Chris Howie 2019-03-29 20:23:24 -04:00
parent 870e7583a1
commit f58a44b911
2 changed files with 36 additions and 21 deletions
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6
changelog/unreleased/issue-2229 Normal file
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@ -0,0 +1,6 @@
Enhancement: Extend "restic find --show-pack-id" to support --tree
This makes it possible to find the pack containing a specific tree, which is
useful mostly in development.
https://github.com/restic/restic/issues/2229

51
cmd/restic/cmd_find.go
View file

@ -62,7 +62,7 @@ func init() {
f.BoolVar(&findOptions.BlobID, "blob", false, "pattern is a blob-ID") f.BoolVar(&findOptions.BlobID, "blob", false, "pattern is a blob-ID")
f.BoolVar(&findOptions.TreeID, "tree", false, "pattern is a tree-ID") f.BoolVar(&findOptions.TreeID, "tree", false, "pattern is a tree-ID")
f.BoolVar(&findOptions.PackID, "pack", false, "pattern is a pack-ID") f.BoolVar(&findOptions.PackID, "pack", false, "pattern is a pack-ID")
f.BoolVar(&findOptions.ShowPackID, "show-pack-id", false, "display the pack-ID the blobs belong to (with --blob)") f.BoolVar(&findOptions.ShowPackID, "show-pack-id", false, "display the pack-ID the blobs belong to (with --blob or --tree)")
f.BoolVarP(&findOptions.CaseInsensitive, "ignore-case", "i", false, "ignore case for pattern") f.BoolVarP(&findOptions.CaseInsensitive, "ignore-case", "i", false, "ignore case for pattern")
f.BoolVarP(&findOptions.ListLong, "long", "l", false, "use a long listing format showing size and mode") f.BoolVarP(&findOptions.ListLong, "long", "l", false, "use a long listing format showing size and mode")
@ -442,27 +442,36 @@ func (f *Finder) packsToBlobs(ctx context.Context, packs []string) error {
return nil return nil
} }
func (f *Finder) findBlobsPacks(ctx context.Context) { func (f *Finder) findObjectPack(ctx context.Context, id string, t restic.BlobType) {
idx := f.repo.Index() idx := f.repo.Index()
rid, err := restic.ParseID(id)
if err != nil {
Printf("Note: cannot find pack for object '%s', unable to parse ID: %v\n", id, err)
return
}
blobs, found := idx.Lookup(rid, t)
if !found {
Printf("Object %s not found in the index\n", rid.Str())
return
}
for _, b := range blobs {
if b.ID.Equal(rid) {
Printf("Object belongs to pack %s\n ... Pack %s: %s\n", b.PackID, b.PackID.Str(), b.String())
break
}
}
}
func (f *Finder) findObjectsPacks(ctx context.Context) {
for i := range f.blobIDs { for i := range f.blobIDs {
rid, err := restic.ParseID(i) f.findObjectPack(ctx, i, restic.DataBlob)
if err != nil { }
Printf("Note: cannot find pack for blob '%s', unable to parse ID: %v\n", i, err)
continue
}
blobs, found := idx.Lookup(rid, restic.DataBlob) for i := range f.treeIDs {
if !found { f.findObjectPack(ctx, i, restic.TreeBlob)
Printf("Blob %s not found in the index\n", rid.Str())
continue
}
for _, b := range blobs {
if b.ID.Equal(rid) {
Printf("Blob belongs to pack %s\n ... Pack %s: %s\n", b.PackID, b.PackID.Str(), b.String())
break
}
}
} }
} }
@ -557,8 +566,8 @@ func runFind(opts FindOptions, gopts GlobalOptions, args []string) error {
} }
f.out.Finish() f.out.Finish()
if opts.ShowPackID && f.blobIDs != nil { if opts.ShowPackID && (f.blobIDs != nil || f.treeIDs != nil) {
f.findBlobsPacks(ctx) f.findObjectsPacks(ctx)
} }
return nil return nil