fix: get branch is now more robust

pkg/git/branch.go

@@ -0,0 +1,35 @@
+package git
+
+import (
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
+)
+
+// GetCurrentBranch retrieves the current branch of a repository
+func GetCurrentBranch(repository *git.Repository) (string, error) {
+	branchRefs, err := repository.Branches()
+	if err != nil {
+		return "", err
+	}
+
+	headRef, err := repository.Head()
+	if err != nil {
+		return "", err
+	}
+
+	var currentBranchName string
+	err = branchRefs.ForEach(func(branchRef *plumbing.Reference) error {
+		if branchRef.Hash() == headRef.Hash() {
+			currentBranchName = branchRef.Name().String()
+
+			return nil
+		}
+
+		return nil
+	})
+	if err != nil {
+		return "", err
+	}
+
+	return currentBranchName, nil
+}