[sysadmin-bin] run-git-or-special-cmd: Fix handling of .git suffix

[Owen Taylor <otaylor src gnome org>]

commit 4cbb4fa6ae4f83d92b13a8e00f280f371ef05e2b
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Fri Sep 6 12:38:12 2013 -0400

    run-git-or-special-cmd: Fix handling of .git suffix

 run-git-or-special-cmd |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/run-git-or-special-cmd b/run-git-or-special-cmd
index 460a599..3db2d05 100755
--- a/run-git-or-special-cmd
+++ b/run-git-or-special-cmd
@@ -27,10 +27,14 @@ is_sysadmin = sysadmin_gid in groups
 # os.path.normpath can't be used for security because it's
 # only textual and doesn't check symlinks.
 # /home/joe.smith/foo/../../../git isn't necessarily /git
-def normalize_path(path):
+def find_and_normalize_git_dir(path):
     curpath = os.getcwd()
     try:
-        os.chdir(path)
+        try:
+            os.chdir(path)
+        except OSError:
+            path += ".git"
+            os.chdir(path)
         return os.getcwd()
     except:
         return None
@@ -38,7 +42,7 @@ def normalize_path(path):
         os.chdir(curpath)
 
 def validate_git_dir(path):
-    path = normalize_path(path)
+    path = find_and_normalize_git_dir(path)
     if path is None:
         print >>sys.stderr, "git repository does not exist."
         sys.exit(1)