Improving logic for committing diffs

lib/gdbgitdb.py

@@ -46,12 +46,12 @@ class SaveGDBResults (ShellCommand):
         else:
             myhead = repo.heads[builder]
 
-        myhead.checkout ()
         if full_tag not in repo.tags:
-            if repo.is_dirty ():
+            myhead.checkout ()
             repo.index.add (['%s/gdb.sum' % builder,
                              '%s/gdb.log' % builder,
                              '%s/%s/baseline' % (builder, branch)])
+            if repo.is_dirty ():
                 repo.index.commit ('Log files for %s' % full_tag)
                 repo.index.write ()
             repo.create_tag (full_tag)