diff options
| author | 2026-04-02 06:23:30 +0000 | |
|---|---|---|
| committer | 2026-04-02 06:28:39 +0000 | |
| commit | a041d523de389b65b98a5373a8034041db2a8d83 (patch) | |
| tree | 7b423dc735f463be616045f2c3c2095a7737aca7 /diff/trees/diff_recursive.go | |
| parent | research: Add dynamic pack resources (diff) | |
| signature | No signature | |
*: Remove
Diffstat (limited to 'diff/trees/diff_recursive.go')
| -rw-r--r-- | diff/trees/diff_recursive.go | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/diff/trees/diff_recursive.go b/diff/trees/diff_recursive.go deleted file mode 100644 index 98848b24..00000000 --- a/diff/trees/diff_recursive.go +++ /dev/null @@ -1,176 +0,0 @@ -package trees - -import ( - objectid "codeberg.org/lindenii/furgit/object/id" - "codeberg.org/lindenii/furgit/object/tree" -) - -func diffRecursive(a, b *tree.Tree, prefix []byte, readTree func(objectid.ObjectID) (*tree.Tree, error), out *[]Entry) error { - if a == nil && b == nil { - return nil - } - - if a == nil { - for i := range b.Entries { - entry := &b.Entries[i] - full := joinPath(prefix, entry.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindAdded, Old: nil, New: entry}) - if entry.Mode != tree.FileModeDir { - continue - } - - sub, err := readTree(entry.ID) - if err != nil { - return err - } - - err = diffRecursive(nil, sub, full, readTree, out) - if err != nil { - return err - } - } - - return nil - } - - if b == nil { - for i := range a.Entries { - entry := &a.Entries[i] - full := joinPath(prefix, entry.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindDeleted, Old: entry, New: nil}) - if entry.Mode != tree.FileModeDir { - continue - } - - sub, err := readTree(entry.ID) - if err != nil { - return err - } - - err = diffRecursive(sub, nil, full, readTree, out) - if err != nil { - return err - } - } - - return nil - } - - i := 0 - - j := 0 - for i < len(a.Entries) && j < len(b.Entries) { - left := &a.Entries[i] - right := &b.Entries[j] - - cmp := tree.TreeEntryNameCompare( - left.Name, - left.Mode, - right.Name, - right.Mode == tree.FileModeDir, - ) - switch { - case cmp < 0: - full := joinPath(prefix, left.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindDeleted, Old: left, New: nil}) - if left.Mode == tree.FileModeDir { - sub, err := readTree(left.ID) - if err != nil { - return err - } - - err = diffRecursive(sub, nil, full, readTree, out) - if err != nil { - return err - } - } - - i++ - case cmp > 0: - full := joinPath(prefix, right.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindAdded, Old: nil, New: right}) - if right.Mode == tree.FileModeDir { - sub, err := readTree(right.ID) - if err != nil { - return err - } - - err = diffRecursive(nil, sub, full, readTree, out) - if err != nil { - return err - } - } - - j++ - default: - full := joinPath(prefix, left.Name) - - modified := left.Mode != right.Mode || left.ID != right.ID - if modified { - *out = append(*out, Entry{Path: full, Kind: EntryKindModified, Old: left, New: right}) - } - - if left.Mode == tree.FileModeDir && right.Mode == tree.FileModeDir && left.ID != right.ID { - leftSub, err := readTree(left.ID) - if err != nil { - return err - } - - rightSub, err := readTree(right.ID) - if err != nil { - return err - } - - err = diffRecursive(leftSub, rightSub, full, readTree, out) - if err != nil { - return err - } - } - - i++ - j++ - } - } - - for ; i < len(a.Entries); i++ { - left := &a.Entries[i] - full := joinPath(prefix, left.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindDeleted, Old: left, New: nil}) - if left.Mode == tree.FileModeDir { - sub, err := readTree(left.ID) - if err != nil { - return err - } - - err = diffRecursive(sub, nil, full, readTree, out) - if err != nil { - return err - } - } - } - - for ; j < len(b.Entries); j++ { - right := &b.Entries[j] - full := joinPath(prefix, right.Name) - - *out = append(*out, Entry{Path: full, Kind: EntryKindAdded, Old: nil, New: right}) - if right.Mode == tree.FileModeDir { - sub, err := readTree(right.ID) - if err != nil { - return err - } - - err = diffRecursive(nil, sub, full, readTree, out) - if err != nil { - return err - } - } - } - - return nil -} |
