objectstore/packed: Split files

1 files changed, 29 insertions, 0 deletions

diff --git a/objectstore/packed/delta_resolve_content.go b/objectstore/packed/delta_resolve_content.go
new file mode 100644
index 00000000..a8de9cbc
--- /dev/null
+++ b/objectstore/packed/delta_resolve_content.go
@@ -0,0 +1,29 @@
+package packed
+
+import (
+	packfmt "codeberg.org/lindenii/furgit/format/pack"
+	"codeberg.org/lindenii/furgit/objecttype"
+)
+
+// deltaResolveContent resolves one object's content bytes from its pack location.
+func (store *Store) deltaResolveContent(start location) (objecttype.Type, []byte, error) {
+	chain, err := store.deltaBuildChain(start)
+	if err != nil {
+		return objecttype.TypeInvalid, nil, err
+	}
+
+	pack, meta, err := store.entryMetaAt(start)
+	if err != nil {
+		return objecttype.TypeInvalid, nil, err
+	}
+
+	declaredSize := meta.size
+	if !packfmt.IsBaseObjectType(meta.ty) {
+		declaredSize, err = deltaDeclaredSizeAt(pack, meta.dataOffset)
+		if err != nil {
+			return objecttype.TypeInvalid, nil, err
+		}
+	}
+
+	return store.deltaResolveChain(chain, declaredSize)
+}