fix un-assigned var issue

diff --git a/gitbuildsys/git.py b/gitbuildsys/git.py
index 00c8765..2b7b7af 100644 (file)
--- a/gitbuildsys/git.py
+++ b/gitbuildsys/git.py
@@ -99,6 +99,7 @@ class Git:
         """Return the branches list, current working branch is the first
         element.
         """
+        current_branch = None
         branches = []
         for line in self._exec_git('branch', ['--no-color']).splitlines():
             br = line.strip().split()[-1]