from git import Repo


def debug_commit_changes(repo_path, commit_hash, target_files=None):
    repo = Repo(repo_path)
    commit = repo.commit(commit_hash)

    if not commit.parents:
        print("Initial commit, no parent to compare")
        return

    parent = commit.parents[0]
    # 强制生成文本差异，忽略重命名
    diffs = parent.diff(commit, create_patch=True, no_renames=True)

    for diff in diffs:
        path = diff.a_path if diff.a_path else diff.b_path
        print(f"文件: {path} ({diff.change_type})")

        print(f"代码变更: {diff.diff.decode('utf-8')}")


# 调用示例
debug_commit_changes(r"C:\Users\32965\repo\9992cddb-b7d1-99ec-1bd2-35fdc177e623\test", "a0126f5620377c4894394c918786c6e98d218b6c", target_files=["README.md"])