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filesystem: move_file fails across filesystems (EXDEV)

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还没有人认领这个 Issue。

评估

难度
4/5
预计耗时
3-5 天
新手友好度
54/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
活跃
领域
backend

调研方向

Start with src/filesystem/lib.ts and inspect moveFile and its existing tests. Reproduce a move between directories on different filesystems to confirm the EXDEV path, then check the no-overwrite, cleanup, and symlink constraints in the issue. Done means the fallback moves the file while preserving all three constraints.

由索引模型根据 Issue 内容生成。

描述

bug server-filesystem v2
Problem

moveFile in src/filesystem/lib.ts checks that the destination does not exist and then calls fs.rename. rename cannot cross a device boundary, so a move between two allowed directories on different mounts (a container bind mount, a network share, a second disk) fails with EXDEV.

Expected

On EXDEV, fall back to copying and then removing the source. The fallback keeps the no-overwrite contract, leaves no partial destination behind if it fails, and does not follow symlinks out of the allowed directories while copying.

Prior work
  • #4720 by @Excelius-Wang

The PR(s) above targeted the pre-refactor code and are closed as part of the backlog triage in #4875; this issue is where the work continues, with the PR(s) as a prototype. Thank you to their authors.

主要语言
TypeScript
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环境准备

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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