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-rw-r--r--packfile/pack.go52
1 files changed, 0 insertions, 52 deletions
diff --git a/packfile/pack.go b/packfile/pack.go
deleted file mode 100644
index c0fb88d8..00000000
--- a/packfile/pack.go
+++ /dev/null
@@ -1,52 +0,0 @@
-// Package packfile provides Git packfile format parsing primitives.
-package packfile
-
-import (
- "fmt"
-
- "codeberg.org/lindenii/furgit/objecttype"
-)
-
-// Signature is the 4-byte "PACK" magic at the start of pack files.
-const Signature = 0x5041434b
-
-// VersionSupported reports whether one pack version is supported.
-func VersionSupported(version uint32) bool {
- return version == 2 || version == 3
-}
-
-// IsBaseObjectType reports whether ty is one of the four canonical object
-// types encoded directly in pack entries.
-func IsBaseObjectType(ty objecttype.Type) bool {
- switch ty {
- case objecttype.TypeCommit, objecttype.TypeTree, objecttype.TypeBlob, objecttype.TypeTag:
- return true
- case objecttype.TypeInvalid, objecttype.TypeFuture, objecttype.TypeOfsDelta, objecttype.TypeRefDelta:
- return false
- default:
- return false
- }
-}
-
-// ParseOfsDeltaDistance parses one ofs-delta backward distance.
-func ParseOfsDeltaDistance(buf []byte) (uint64, int, error) {
- if len(buf) == 0 {
- return 0, 0, fmt.Errorf("packfile: malformed ofs-delta distance")
- }
-
- b := buf[0]
- dist := uint64(b & 0x7f)
-
- consumed := 1
- for b&0x80 != 0 {
- if consumed >= len(buf) {
- return 0, 0, fmt.Errorf("packfile: malformed ofs-delta distance")
- }
-
- b = buf[consumed]
- consumed++
- dist = ((dist + 1) << 7) + uint64(b&0x7f)
- }
-
- return dist, consumed, nil
-}