format: Move commitgraph and packfile here

1 files changed, 0 insertions, 89 deletions

diff --git a/packfile/ingest/rewrite_header_trailer.go b/packfile/ingest/rewrite_header_trailer.go
deleted file mode 100644
index f1f18a39..00000000
--- a/packfile/ingest/rewrite_header_trailer.go
+++ /dev/null
@@ -1,89 +0,0 @@
-package ingest
-
-import (
-	"encoding/binary"
-	"io"
-
-	"codeberg.org/lindenii/furgit/internal/intconv"
-	objectid "codeberg.org/lindenii/furgit/object/id"
-)
-
-// rewritePackHeaderAndTrailer rewrites object count and trailer hash using ReadAt/WriteAt.
-func rewritePackHeaderAndTrailer(state *ingestState) error {
-	var countRaw [4]byte
-
-	recordCountUint32, err := intconv.IntToUint32(len(state.records))
-	if err != nil {
-		return err
-	}
-
-	binary.BigEndian.PutUint32(countRaw[:], recordCountUint32)
-
-	_, err = state.packFile.WriteAt(countRaw[:], 8)
-	if err != nil {
-		return err
-	}
-
-	info, err := state.packFile.Stat()
-	if err != nil {
-		return err
-	}
-
-	endWithoutTrailer := info.Size()
-
-	hashImpl, err := state.algo.New()
-	if err != nil {
-		return err
-	}
-
-	var (
-		buf [128 << 10]byte
-		pos int64
-	)
-	for pos < endWithoutTrailer {
-		want := int64(len(buf))
-
-		remaining := endWithoutTrailer - pos
-		if remaining < want {
-			want = remaining
-		}
-
-		n, err := state.packFile.ReadAt(buf[:want], pos)
-		if err != nil && err != io.EOF {
-			return err
-		}
-
-		if n == 0 {
-			return io.ErrUnexpectedEOF
-		}
-
-		_, _ = hashImpl.Write(buf[:n])
-		pos += int64(n)
-	}
-
-	sum := hashImpl.Sum(nil)
-
-	_, err = state.packFile.WriteAt(sum, endWithoutTrailer)
-	if err != nil {
-		return err
-	}
-
-	packHash, err := objectid.FromBytes(state.algo, sum)
-	if err != nil {
-		return err
-	}
-
-	state.packHash = packHash
-	state.objectCountHeader = recordCountUint32
-
-	sumLenInt64 := int64(len(sum))
-
-	newConsumed, err := intconv.Int64ToUint64(endWithoutTrailer + sumLenInt64)
-	if err != nil {
-		return err
-	}
-
-	state.stream.consumed = newConsumed
-
-	return nil
-}