90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""compare-tree.py —— 把**本地 git 基线**（manifest：mode/type/sha\\tpath）与服务器工作树逐文件比对。
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输出三类（这是"能不能整树覆盖"的唯一判据，不盲覆盖）：
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· 一致 ：服务器文件内容 == 本地基线
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· 不一致 ：两边都有但内容不同（**要逐个看是谁的改动**）
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· 服务器独有：服务器有、基线里没有（**绝不能抹**）
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再加一类「仅在基线里」：本地有、服务器缺（同步时要补上）。
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用法（在服务器上）：python3 scripts/compare-tree.py <manifest> <工作树根>
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"""
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import os
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import subprocess
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import sys
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manifest, root = sys.argv[1], sys.argv[2]
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entries = []
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for line in open(manifest, encoding='utf-8'):
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line = line.rstrip('\n')
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if not line.strip():
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continue
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head, path = line.split('\t', 1)
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mode, typ, sha = head.split()
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entries.append((path, sha))
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paths = [p for p, _ in entries]
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present = [p for p in paths if os.path.isfile(os.path.join(root, p))]
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missing = [p for p in paths if p not in set(present)]
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# 批量算 sha（git hash-object --stdin-paths）
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hash_out = {}
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if present:
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proc = subprocess.run(['git', 'hash-object', '--stdin-paths'], cwd=root,
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input='\n'.join(present) + '\n', capture_output=True, text=True)
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for p, h in zip(present, proc.stdout.split('\n')):
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if h.strip():
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hash_out[p] = h.strip()
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same, diff = [], []
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for p, sha in entries:
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if p in missing:
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continue
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if hash_out.get(p) == sha:
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same.append(p)
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else:
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diff.append((p, sha, hash_out.get(p)))
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# 服务器独有：扫同一批顶层目录，取基线里没有的文件
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tops = sorted({p.split('/')[0] for p, _ in entries})
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known = set(paths)
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extra = []
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for top in tops:
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base = os.path.join(root, top)
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if not os.path.isdir(base):
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continue
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for dirpath, dirnames, filenames in os.walk(base):
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dirnames[:] = [d for d in dirnames if d not in ('node_modules', '.git', 'dist')]
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for fn in filenames:
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rel = os.path.relpath(os.path.join(dirpath, fn), root).replace(os.sep, '/')
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if rel not in known:
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extra.append(rel)
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print('=== 汇总 ===')
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print(' 基线条目 : %d' % len(entries))
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print(' 一致 : %d' % len(same))
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print(' 不一致 : %d' % len(diff))
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print(' 仅基线有(缺) : %d' % len(missing))
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print(' 服务器独有 : %d' % len(extra))
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if diff:
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print('\n=== 不一致（要逐个判断是谁的改动）===')
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for p, want, got in diff[:60]:
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print(' %-58s 基线 %s 服务器 %s' % (p, want[:10], (got or '')[:10]))
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if len(diff) > 60:
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print(' … 还有 %d 个' % (len(diff) - 60))
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if missing:
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print('\n=== 仅基线有（服务器缺）===')
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for p in missing[:40]:
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print(' ' + p)
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if len(missing) > 40:
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print(' … 还有 %d 个' % (len(missing) - 40))
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if extra:
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print('\n=== 服务器独有（⛔ 覆盖前必须保留/处理）===')
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for p in extra[:60]:
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print(' ' + p)
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if len(extra) > 60:
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print(' … 还有 %d 个' % (len(extra) - 60))
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