Update get_commits.py

get_commits.py

@@ -24,6 +24,10 @@ def get_file_contents(commit, old_file, new_file, repo, cwd=None):
     completed = run_in_shell("git init", cwd=cwd)
     completed = run_in_shell("git remote add origin " + repo, cwd=cwd)
     completed = run_in_shell("git fetch --depth 2 origin " + commit, cwd=cwd)
+    # If it times out as repo requires a username
+    if completed.returncode != 0:
+        return (new_contents, "")
+    old_contents = run_in_shell("cat " + old_file, cwd=cwd).stdout.decode()
     completed = run_in_shell("git checkout FETCH_HEAD -- " + new_file, cwd=cwd)
     new_contents = run_in_shell("cat " + new_file, cwd=cwd).stdout.decode()
     completed = run_in_shell("git checkout FETCH_HEAD^ -- " + old_file, cwd=cwd)