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Container audit loses the repository identity: git refuses the mounted repo (dubious ownership)

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评估

难度
3/5
预计耗时
1-2 天
新手友好度
52/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
docker, git, python
领域
backend, devops

调研方向

Start with the container setup in the image built from the #519 branch and docs/install/container.md; reproduce the documented docker run command and check how the audit obtains the mounted repository’s Git remote as uid 10001. Compare the confirmed safe.directory=/repo workaround with running as the host uid, and review the ownership implications before choosing a fix. Done means the documented container command identifies the repository and platform checks use its owner and name.

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描述

documentation infrastructure

With the documented command, docker run --rm -v "$PWD:/repo" <image> audit, on Linux:

Platform API call /repos//repo/releases?per_page=5 could not be measured (unavailable)
handler github_branch_protection needs owner/repo (from context or config)
Trust: unknown repository untrusted (no repository identity)

The owner is empty and the name is the mount directory (repo), so every platform check fails.

The cause is the container runs as uid 10001. The mounted repository belongs to the host user. git refuses it:

$ git -C /repo remote get-url origin
fatal: detected dubious ownership in repository at '/repo'

Confirmed workaround

docker run --rm -v "$PWD:/repo" \
  -e GIT_CONFIG_COUNT=1 -e GIT_CONFIG_KEY_0=safe.directory -e GIT_CONFIG_VALUE_0=/repo \
  <image> audit

With this, git returns the remote and the audit calls /repos/darnitdevorg/darnit/....

Possible fix

Set safe.directory=/repo in the image (Dockerfile ENV or the entrypoint). This turns off git's ownership check for the mounted repo, so it is worth a short look at what a hostile .git/config could do inside the container. The alternative is to document --user "$(id -u):$(id -g)", which I have not tested.

Related

  • #579 stops the /repos//name call when the identity is empty. It does not give the container the identity.
  • docs/install/container.md does not say that platform checks need -e GH_TOKEN.

Seen on RHEL 10 with podman (rootful), image built from the #519 branch.

主要语言
Python
星标
22
派生
27
平均合并
1 天 19 小时
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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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