Make sure switch_branch uses the right __head

[stgit] / stgit / git.py

diff --git a/stgit/git.py b/stgit/git.py
index de8d47f9f196a69f443648e556f76c53c3de6a77..33702cbc27ef0529526a06962e7277e01fb20299 100644 (file)
--- a/stgit/git.py
+++ b/stgit/git.py
@@ -18,7 +18,7 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 """
 
-import sys, os, glob, popen2
+import sys, os, popen2
 
 from stgit.utils import *
 
@@ -236,6 +236,9 @@ def get_head_file():
 def set_head_file(ref):
     """Resets HEAD to point to a new ref
     """
+    # head cache flushing is needed since we might have a different value
+    # in the new head
+    __clear_head_cache()
     if __run('git-symbolic-ref HEAD', [ref]) != 0:
         raise GitException, 'Could not set head to "%s"' % ref
 
@@ -293,6 +296,8 @@ def create_branch(new_branch, tree_id = None):
 def switch_branch(name):
     """Switch to a git branch
     """
+    global __head
+
     new_head = os.path.join('refs', 'heads', name)
     if not branch_exists(new_head):
         raise GitException, 'Branch "%s" does not exist' % name