67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
import os
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import subprocess
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def get_git_objects(repo_path="."):
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"""获取 Git 仓库中所有对象的 hash 和大小"""
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pack_dir = os.path.join(repo_path, ".git", "objects", "pack")
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idx_files = [f for f in os.listdir(pack_dir) if f.endswith(".idx")]
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objects = []
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for idx in idx_files:
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idx_path = os.path.join(pack_dir, idx)
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try:
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# 运行 git verify-pack
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result = subprocess.check_output(
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["git", "verify-pack", "-v", idx_path],
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cwd=repo_path,
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text=True,
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errors="ignore"
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)
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for line in result.splitlines():
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parts = line.split()
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# 只处理包含 "blob" 的行（文件对象）
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if len(parts) >= 5 and parts[1] == "blob":
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sha = parts[0]
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size = int(parts[2]) # uncompressed size
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objects.append((sha, size))
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except subprocess.CalledProcessError as e:
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print(f"Error reading {idx_path}: {e}")
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return objects
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def map_objects_to_files(repo_path="."):
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"""把对象 hash 映射到文件路径"""
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result = subprocess.check_output(
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["git", "rev-list", "--objects", "--all"],
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cwd=repo_path,
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text=True,
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errors="ignore"
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)
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mapping = {}
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for line in result.splitlines():
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parts = line.split(" ", 1)
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if len(parts) == 2:
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sha, path = parts
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mapping[sha] = path
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return mapping
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def main():
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repo_path = "." # 当前目录
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objects = get_git_objects(repo_path)
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mapping = map_objects_to_files(repo_path)
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if not objects:
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print("⚠️ 没找到大对象，请确认仓库里有 pack 文件。")
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return
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# 按大小排序，取前 20 个
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objects.sort(key=lambda x: x[1], reverse=True)
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top_n = objects[:20]
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print("Git 仓库里最大的 20 个文件：\n")
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for sha, size in top_n:
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path = mapping.get(sha, "（已删除或不可见文件）")
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print(f"{size/1024:.2f} KB\t{sha}\t{path}")
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if __name__ == "__main__":
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main()
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