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GitPython parses the output of `git diff --numstat` to get the files changed in a commit. This breaks when a commit contains a file rename, because the output of `git diff` is different than expected. This is the output of a normal commit: $ git diff --numstat 8f41a39^ 8f41a39 30 5 test/test_repo.py And this a commit containing a rename: $ git diff --numstat 185d847^ 185d847 3 1 .github/workflows/{test_pytest.yml => Future.yml} This can be triggered by this code: for commit in repo.iter_commits(): print(commit.hexsha) for file in commit.stats.files: print(file) Which will print for the normal commit: 8f41a39 'test/test_repo.py' And when there is a rename: 185d847 '.github/workflows/{test_pytest.yml => Future.yml}' Additionally, when a path member is removed, the file list become a list of strings, breaking even more the caller. This is in the Linux kernel tree: $ git diff --numstat db401875f438^ db401875f438 1 1 tools/testing/selftests/drivers/net/mlxsw/{spectrum-2 => }/devlink_trap_tunnel_ipip6.sh and GitPython parses it as: db401875f438168c5804b295b93a28c7730bb57a ('tools/testing/selftests/drivers/net/mlxsw/{spectrum-2 => ' '}/devlink_trap_tunnel_ipip6.sh') Fix this by pasing the --no-renames option to `git diff` which ignores renames and print the same output as if the file was deleted from the old path and created in the new one: $ git diff --numstat --no-renames 185d847^ 185d847 57 0 .github/workflows/Future.yml 0 55 .github/workflows/test_pytest.yml
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