1 files changed, 0 insertions, 121 deletions
diff --git a/format/pack/entry.go b/format/pack/entry.go
deleted file mode 100644
index 93d232a2..00000000
--- a/format/pack/entry.go
+++ /dev/null
@@ -1,121 +0,0 @@
-package pack
-
-import (
-	"fmt"
-
-	"codeberg.org/lindenii/furgit/objecttype"
-)
-
-// EntryHeader is one parsed pack entry header prefix.
-type EntryHeader struct {
-	// Type is the entry type tag from the first header byte.
-	Type objecttype.Type
-	// Size is the declared resulting object size.
-	Size int64
-	// HeaderSize is the number of bytes consumed by the type/size header.
-	HeaderSize int
-}
-
-// ParseEntryHeader parses one pack entry type/size header from data.
-func ParseEntryHeader(data []byte) (EntryHeader, error) {
-	var zero EntryHeader
-	if len(data) == 0 {
-		return zero, fmt.Errorf("format/pack: truncated entry header")
-	}
-
-	first := data[0]
-	header := EntryHeader{
-		Type:       objecttype.Type((first >> 4) & 0x07),
-		Size:       int64(first & 0x0f),
-		HeaderSize: 1,
-	}
-
-	shift := uint(4)
-
-	b := first
-	for b&0x80 != 0 {
-		if header.HeaderSize >= len(data) {
-			return zero, fmt.Errorf("format/pack: truncated entry header")
-		}
-
-		b = data[header.HeaderSize]
-		header.HeaderSize++
-		header.Size |= int64(b&0x7f) << shift
-		shift += 7
-	}
-
-	if header.Size < 0 {
-		return zero, fmt.Errorf("format/pack: negative entry size")
-	}
-
-	return header, nil
-}
-
-// Entry is one parsed pack entry prefix, including any delta base reference
-// data that appears before the compressed payload.
-type Entry struct {
-	// Type is the pack entry type.
-	Type objecttype.Type
-	// Size is the declared resulting object size.
-	Size int64
-	// DataOffset is the byte offset from the start of the entry to the zlib
-	// payload bytes.
-	DataOffset int
-	// RefBaseID is the referenced base object ID bytes for ref-delta entries.
-	RefBaseID []byte
-	// OfsBaseDistance is the backward distance for ofs-delta entries.
-	OfsBaseDistance uint64
-}
-
-// ParseEntry parses one full pack entry prefix from data.
-//
-// hashSize must match the hash algorithm size used by the pack/index.
-func ParseEntry(data []byte, hashSize int) (Entry, error) {
-	var zero Entry
-
-	header, err := ParseEntryHeader(data)
-	if err != nil {
-		return zero, err
-	}
-
-	entry := Entry{
-		Type:       header.Type,
-		Size:       header.Size,
-		DataOffset: header.HeaderSize,
-	}
-
-	switch entry.Type {
-	case objecttype.TypeCommit, objecttype.TypeTree, objecttype.TypeBlob, objecttype.TypeTag:
-		// Base object entries have no extra prefix fields.
-	case objecttype.TypeRefDelta:
-		if hashSize <= 0 {
-			return zero, fmt.Errorf("format/pack: invalid hash size %d", hashSize)
-		}
-
-		end := entry.DataOffset + hashSize
-		if end > len(data) {
-			return zero, fmt.Errorf("format/pack: truncated ref-delta base id")
-		}
-
-		entry.RefBaseID = data[entry.DataOffset:end]
-		entry.DataOffset = end
-	case objecttype.TypeOfsDelta:
-		dist, consumed, err := ParseOfsDeltaDistance(data[entry.DataOffset:])
-		if err != nil {
-			return zero, err
-		}
-
-		entry.OfsBaseDistance = dist
-		entry.DataOffset += consumed
-	case objecttype.TypeInvalid, objecttype.TypeFuture:
-		return zero, fmt.Errorf("format/pack: unsupported object type %d", entry.Type)
-	default:
-		return zero, fmt.Errorf("format/pack: unsupported object type %d", entry.Type)
-	}
-
-	if entry.DataOffset > len(data) {
-		return zero, fmt.Errorf("format/pack: entry data offset out of bounds")
-	}
-
-	return entry, nil
-}