Git changesets with same revision should be a single event in timeline view

[Jun Omae]

Because GitRepository.get_changeset_uid is not implemented…

tracopt/versioncontrol/git/git_fs.py

@@ -434 +434 @@
         """GitChangeset factory method"""
         return GitChangeset(self, rev)
 
+    def get_changeset_uid(self, rev):
+        return self.normalize_rev(rev)
+
     def get_changes(self, old_path, old_rev, new_path, new_rev,
                     ignore_ancestry=0):
         # TODO: handle renames/copies, ignore_ancestry