From c2cb06aa23a1769a0d84756acccf1ac1358f61ef Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Tue, 10 Mar 2026 14:07:54 +0800
Subject: *: format/pack -> packfile; format/delta -> delta; delete format

---
 format/pack/ingest/entry_prefix.go | 95 --------------------------------------
 1 file changed, 95 deletions(-)
 delete mode 100644 format/pack/ingest/entry_prefix.go

(limited to 'format/pack/ingest/entry_prefix.go')

diff --git a/format/pack/ingest/entry_prefix.go b/format/pack/ingest/entry_prefix.go
deleted file mode 100644
index 85493798..00000000
--- a/format/pack/ingest/entry_prefix.go
+++ /dev/null
@@ -1,95 +0,0 @@
-package ingest
-
-import (
-	"fmt"
-
-	"codeberg.org/lindenii/furgit/internal/intconv"
-	"codeberg.org/lindenii/furgit/objectid"
-	"codeberg.org/lindenii/furgit/objecttype"
-)
-
-// parseEntryPrefix parses one entry prefix from stream.
-func parseEntryPrefix(state *ingestState, startOffset uint64) (objectRecord, error) {
-	var record objectRecord
-
-	record.offset = startOffset
-
-	first, err := state.stream.ReadByte()
-	if err != nil {
-		return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("read first header byte: %v", err)}
-	}
-
-	record.packedType = objecttype.Type((first >> 4) & 0x07)
-	size := int64(first & 0x0f)
-	headerLen := uint32(1)
-	shift := uint(4)
-	b := first
-
-	for b&0x80 != 0 {
-		b, err = state.stream.ReadByte()
-		if err != nil {
-			return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("read size continuation: %v", err)}
-		}
-
-		headerLen++
-		size |= int64(b&0x7f) << shift
-		shift += 7
-	}
-
-	if size < 0 {
-		return record, &MalformedPackEntryError{Offset: startOffset, Reason: "negative declared size"}
-	}
-
-	record.declaredSize = size
-
-	switch record.packedType {
-	case objecttype.TypeCommit, objecttype.TypeTree, objecttype.TypeBlob, objecttype.TypeTag:
-	case objecttype.TypeRefDelta:
-		baseRaw := make([]byte, state.algo.Size())
-
-		err := state.stream.readFull(baseRaw)
-		if err != nil {
-			return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("read ref base: %v", err)}
-		}
-
-		baseID, err := objectid.FromBytes(state.algo, baseRaw)
-		if err != nil {
-			return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("parse ref base: %v", err)}
-		}
-
-		record.baseObject = baseID
-
-		baseRawLen, err := intconv.IntToUint32(len(baseRaw))
-		if err != nil {
-			return record, err
-		}
-
-		headerLen += baseRawLen
-	case objecttype.TypeOfsDelta:
-		dist, consumed, err := readOfsDistanceFromStream(state.stream)
-		if err != nil {
-			return record, &MalformedPackEntryError{Offset: startOffset, Reason: err.Error()}
-		}
-
-		if startOffset <= dist {
-			return record, &MalformedPackEntryError{Offset: startOffset, Reason: "ofs base offset out of bounds"}
-		}
-
-		record.baseOffset = startOffset - dist
-
-		consumedUint32, err := intconv.IntToUint32(consumed)
-		if err != nil {
-			return record, err
-		}
-
-		headerLen += consumedUint32
-	case objecttype.TypeInvalid, objecttype.TypeFuture:
-		return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("unsupported object type %d", record.packedType)}
-	default:
-		return record, &MalformedPackEntryError{Offset: startOffset, Reason: fmt.Sprintf("unsupported object type %d", record.packedType)}
-	}
-
-	record.headerLen = headerLen
-
-	return record, nil
-}
-- 
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