1 files changed, 17 insertions, 0 deletions
diff --git a/object/signed/commit/signature_append.go b/object/signed/commit/signature_append.go
new file mode 100644
index 00000000..7f9144b7
--- /dev/null
+++ b/object/signed/commit/signature_append.go
@@ -0,0 +1,17 @@
+package signedcommit
+
+import objectid "codeberg.org/lindenii/furgit/object/id"
+
+// AppendSignature appends the unfolded signature for algo to dst.
+func (commit *Commit) AppendSignature(dst []byte, algo objectid.Algorithm) ([]byte, bool) {
+	signature, ok := commit.signatures[algo]
+	if !ok {
+		return dst, false
+	}
+
+	for _, part := range signature {
+		dst = append(dst, commit.body[part.start:part.end]...)
+	}
+
+	return dst, true
+}