feature flag additional refs (#3282)

pkg/feature/feature.go

@@ -3,6 +3,7 @@ package feature
 import "sync/atomic"
 
 var (
-	ForceSkipBinaries = atomic.Bool{}
-	ForceSkipArchives = atomic.Bool{}
+	ForceSkipBinaries  = atomic.Bool{}
+	ForceSkipArchives  = atomic.Bool{}
+	SkipAdditionalRefs = atomic.Bool{}
 )

pkg/sources/git/git.go

@@ -420,10 +420,13 @@ func executeClone(ctx context.Context, params cloneParams) (*git.Repository, err
 		"clone",
 		cloneURL.String(),
 		params.clonePath,
-		"-c",
-		"remote.origin.fetch=+refs/*:refs/remotes/origin/*",
 		"--quiet", // https://git-scm.com/docs/git-clone#Documentation/git-clone.txt-code--quietcode
 	}
+	if !feature.SkipAdditionalRefs.Load() {
+		gitArgs = append(gitArgs,
+			"-c",
+			"remote.origin.fetch=+refs/*:refs/remotes/origin/*")
+	}
 	gitArgs = append(gitArgs, params.args...)
 	cloneCmd := exec.Command("git", gitArgs...)