Add a check for empty repos.

ctilley · Jan 22, 2011 · 2c21931 · 2c21931
1 parent f608b94
commit 2c21931
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tracext/git/git_fs.py b/tracext/git/git_fs.py
@@ -599,6 +599,9 @@ class GitChangeset(Changeset):
         } # TODO: U, X, B
 
     def __init__(self, repos, sha):
+        if sha is None:
+            raise NoSuchChangeset(sha)
+
         try:
             msg, props = repos.git.read_commit(sha)
         except PyGIT.GitErrorSha: