's'

test.py

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