fix: make git.DefaultRemoteBranch function private

Author: Stratus3D

Diff for: internal/git/git.go

@@ -53,6 +53,7 @@ func (r Repo) Clone(pluginURL, ref string) error {
 	var stdErr strings.Builder
 	cmd.Stdout = &stdOut
 	cmd.Stderr = &stdErr
+
 	err := cmd.Run()
 
 	if err != nil {
@@ -92,30 +93,6 @@ func (r Repo) RemoteURL() (string, error) {
 	return remotes[0].Config().URLs[0], nil
 }
 
-func (r Repo) RemoteDefaultBranch() (string, error) {
-	// @jiminychris - https://github.com/go-git/go-git/issues/510#issuecomment-2560116147
-	repo, err := gitOpen(r.Directory)
-	if err != nil {
-		return "", err
-	}
-
-	// Get the remote you want to find the default for
-	remote, err := repo.Remote("origin")
-	if err != nil {
-		return "", err
-	}
-
-	references, _ := remote.List(&git.ListOptions{})
-	// Search through the list of references in that remote for a symbolic reference named HEAD;
-	// Its target should be the default branch name.
-	for _, reference := range references {
-		if reference.Name() == "HEAD" && reference.Type() == plumbing.SymbolicReference {
-			return reference.Target().String(), nil
-		}
-	}
-	return "", fmt.Errorf("unable to find default branch for git directory %s", r.Directory)
-}
-
 // Update updates the plugin's Git repository to the ref if provided, or the
 // latest commit on the current branch
 func (r Repo) Update(ref string) (string, string, string, error) {
@@ -131,7 +108,7 @@ func (r Repo) Update(ref string) (string, string, string, error) {
 
 	// If no ref is provided we take the default branch of the remote
 	if strings.TrimSpace(ref) == "" {
-		ref, err = r.RemoteDefaultBranch()
+		ref, err = r.remoteDefaultBranch()
 		if err != nil {
 			return "", "", "", err
 		}
@@ -167,6 +144,30 @@ func (r Repo) Update(ref string) (string, string, string, error) {
 	return ref, oldHash.String(), newHash.Hash().String(), nil
 }
 
+func (r Repo) remoteDefaultBranch() (string, error) {
+	// @jiminychris - https://github.com/go-git/go-git/issues/510#issuecomment-2560116147
+	repo, err := gitOpen(r.Directory)
+	if err != nil {
+		return "", err
+	}
+
+	// Get the remote you want to find the default for
+	remote, err := repo.Remote("origin")
+	if err != nil {
+		return "", err
+	}
+
+	references, _ := remote.List(&git.ListOptions{})
+	// Search through the list of references in that remote for a symbolic reference named HEAD;
+	// Its target should be the default branch name.
+	for _, reference := range references {
+		if reference.Name() == "HEAD" && reference.Type() == plumbing.SymbolicReference {
+			return reference.Target().String(), nil
+		}
+	}
+	return "", fmt.Errorf("unable to find default branch for git directory %s", r.Directory)
+}
+
 func stdErrToErrMsg(stdErr string) string {
 	lines := strings.Split(strings.TrimSuffix(stdErr, "\n"), "\n")
 	return lines[len(lines)-1]