plumbing: Add link to index-format docs

go-git · Apr 8, 2024 · 23fa589 · 23fa589
1 parent f763fd3
commit 23fa589
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/plumbing/format/index/decoder.go b/plumbing/format/index/decoder.go
@@ -273,6 +273,8 @@ func (d *Decoder) readExtension(idx *Index) error {
 			return err
 		}
 	default:
+		// See https://git-scm.com/docs/index-format, which says:
+		// If the first byte is 'A'..'Z' the extension is optional and can be ignored.
 		if header[0] < 'A' || header[0] > 'Z' {
 			return ErrUnknownExtension
 		}