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Multiple eca__edit_file calls to the same in parallel can be harmful

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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
48/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
clojure
领域
backend

调研方向

Start by tracing how the edit system handles multiple eca__edit_file calls targeting the same file in one message; the issue does not name implementation files or tests. Reproduce the reported corruption, then determine whether edits use a stale snapshot or interleave. Done means same-file edits are handled safely or rejected before corrupting the file.

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描述

bug

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Please avoid AI slops, be concise, and focus on what matters for this issue.

Describe the bug
This is how agent described the problem when it encountered it:

after two eca__edit_file calls to the same file sent in one message, the file ends up
mangled (2026-09-13: run.sh got a duplicated tail with both the new and old `exec` line, plus a
partial duplicated line mid-file). Intermittent: batching sometimes works.
Cause: the second edit is applied against a stale snapshot, or the pair interleaves.
Fix: send same-file edits one per message; or prefer a single eca__write_file with the full
content, or one edit whose original spans all changes (net paren/line change of zero avoids the
editor's bracket auto-fixer reverting a change). Different files in one message are fine.

We should make the edit system smarter (or at least fail to avoid this).

主要语言
Clojure
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派生
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3 天 39 分钟
30 天内合并 PR
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环境准备

这个项目没有提供开发容器、Dockerfile 或贡献指南,环境需要你自己搭建:先看它的 README,通用步骤见我们的新手贡献指南。

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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