Change to root directory when executing commands

hggithub.py

@@ -143,6 +143,7 @@ def ghclone(ui, git_fork_url, git_upstream_url, working_directory, **opts):
 
 @command("ghpull", [], _(""))
 def ghpull(ui, repo, **opts):
+    os.chdir(repo.root)
     """Prepare working directory to work with github"""
     git_repo = ui.config("gitrepo", "gitrepo")
     try:
@@ -154,6 +155,7 @@ def ghpull(ui, repo, **opts):
 @command("ghpush", [], _("bookmark"))
 def ghpush(ui, repo, bookmark, **opts):
     """Prepare working directory to work with github"""
+    os.chdir(repo.root)
     git_repo = ui.config("gitrepo", "gitrepo")
     try:
         _ghpush(git_repo, bookmark)