docs: mirror README (guard rules + sync procedure + incident record)
This commit is contained in:
dsh-mulm
@@ -1,388 +1,37 @@
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[](https://github.com/actions/checkout/actions/workflows/test.yml)
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# actions-checkout — actions 本地镜像（mu-ref）
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# Checkout v7
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## What's new
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- Safer fork pull request handling: checkout now refuses to check out fork pull request code by default when the workflow is triggered by `pull_request_target` or `workflow_run`. These triggers run with the base repository's `GITHUB_TOKEN`, secrets, and runner access, where executing a fork's code commonly leads to "pwn request" vulnerabilities.
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- To opt in after [reviewing the risks](https://gh.io/securely-using-pull_request_target), set the new `allow-unsafe-pr-checkout: true` input.
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- Migrated `actions/checkout` to ESM to support new versions of the `@actions/*` packages.
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- Updated direct and transitive dependencies, including security fixes for known vulnerabilities.
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# Checkout v6
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## What's new
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- Improved credential security: `persist-credentials` now stores credentials in a separate file under `$RUNNER_TEMP` instead of directly in `.git/config`
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- No workflow changes required — `git fetch`, `git push`, etc. continue to work automatically
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- Running authenticated git commands from a [Docker container action](https://docs.github.com/actions/sharing-automations/creating-actions/creating-a-docker-container-action) requires Actions Runner [v2.329.0](https://github.com/actions/runner/releases/tag/v2.329.0) or later
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# Checkout v5
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## What's new
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- Updated to the node24 runtime
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- This requires a minimum Actions Runner version of [v2.327.1](https://github.com/actions/runner/releases/tag/v2.327.1) to run.
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# Checkout v4
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This action checks-out your repository under `$GITHUB_WORKSPACE`, so your workflow can access it.
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Only a single commit is fetched by default, for the ref/SHA that triggered the workflow. Set `fetch-depth: 0` to fetch all history for all branches and tags. Refer [here](https://docs.github.com/actions/using-workflows/events-that-trigger-workflows) to learn which commit `$GITHUB_SHA` points to for different events.
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The auth token is persisted in the local git config. This enables your scripts to run authenticated git commands. The token is removed during post-job cleanup. Set `persist-credentials: false` to opt-out.
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When Git 2.18 or higher is not in your PATH, falls back to the REST API to download the files.
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### Note
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Thank you for your interest in this GitHub action, however, right now we are not taking contributions.
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We continue to focus our resources on strategic areas that help our customers be successful while making developers' lives easier. While GitHub Actions remains a key part of this vision, we are allocating resources towards other areas of Actions and are not taking contributions to this repository at this time. The GitHub public roadmap is the best place to follow along for any updates on features we’re working on and what stage they’re in.
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We are taking the following steps to better direct requests related to GitHub Actions, including:
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1. We will be directing questions and support requests to our [Community Discussions area](https://github.com/orgs/community/discussions/categories/actions)
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2. High Priority bugs can be reported through Community Discussions or you can report these to our support team https://support.github.com/contact/bug-report.
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3. Security Issues should be handled as per our [security.md](security.md)
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We will still provide security updates for this project and fix major breaking changes during this time.
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You are welcome to still raise bugs in this repo.
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# What's new
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Please refer to the [release page](https://github.com/actions/checkout/releases/latest) for the latest release notes.
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# Usage
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<!-- start usage -->
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- 上游: https://github.com/actions/checkout （GitHub 公开仓库的只读镜像）
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- 引用方式（workflow 内绝对 URL）:
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```yaml
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- uses: actions/checkout@v7
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with:
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# Repository name with owner. For example, actions/checkout
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# Default: ${{ github.repository }}
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repository: ''
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# The branch, tag or SHA to checkout. When checking out the repository that
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# triggered a workflow, this defaults to the reference or SHA for that event.
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# Otherwise, uses the default branch.
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ref: ''
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# Personal access token (PAT) used to fetch the repository. The PAT is configured
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# with the local git config, which enables your scripts to run authenticated git
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# commands. The post-job step removes the PAT.
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#
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# We recommend using a service account with the least permissions necessary. Also
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# when generating a new PAT, select the least scopes necessary.
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#
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# [Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
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#
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# Default: ${{ github.token }}
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token: ''
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# SSH key used to fetch the repository. The SSH key is configured with the local
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# git config, which enables your scripts to run authenticated git commands. The
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# post-job step removes the SSH key.
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#
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# We recommend using a service account with the least permissions necessary.
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#
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# [Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
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ssh-key: ''
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# Known hosts in addition to the user and global host key database. The public SSH
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# keys for a host may be obtained using the utility `ssh-keyscan`. For example,
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# `ssh-keyscan github.com`. The public key for github.com is always implicitly
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# added.
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ssh-known-hosts: ''
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# Whether to perform strict host key checking. When true, adds the options
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# `StrictHostKeyChecking=yes` and `CheckHostIP=no` to the SSH command line. Use
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# the input `ssh-known-hosts` to configure additional hosts.
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# Default: true
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ssh-strict: ''
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# The user to use when connecting to the remote SSH host. By default 'git' is
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# used.
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# Default: git
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ssh-user: ''
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# Whether to configure the token or SSH key with the local git config
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# Default: true
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persist-credentials: ''
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# Relative path under $GITHUB_WORKSPACE to place the repository
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path: ''
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# Whether to execute `git clean -ffdx && git reset --hard HEAD` before fetching
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# Default: true
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clean: ''
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# Partially clone against a given filter. Overrides sparse-checkout if set.
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# Default: null
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filter: ''
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# Do a sparse checkout on given patterns. Each pattern should be separated with
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# new lines.
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# Default: null
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sparse-checkout: ''
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# Specifies whether to use cone-mode when doing a sparse checkout.
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# Default: true
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sparse-checkout-cone-mode: ''
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# Number of commits to fetch. 0 indicates all history for all branches and tags.
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# Default: 1
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fetch-depth: ''
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# Whether to fetch tags, even if fetch-depth > 0.
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# Default: false
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fetch-tags: ''
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# Whether to show progress status output when fetching.
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# Default: true
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show-progress: ''
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# Whether to download Git-LFS files
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# Default: false
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lfs: ''
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# Whether to checkout submodules: `true` to checkout submodules or `recursive` to
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# recursively checkout submodules.
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#
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# When the `ssh-key` input is not provided, SSH URLs beginning with
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# `git@github.com:` are converted to HTTPS.
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#
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# Default: false
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submodules: ''
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# Add repository path as safe.directory for Git global config by running `git
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# config --global --add safe.directory <path>`
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# Default: true
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set-safe-directory: ''
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# The base URL for the GitHub instance that you are trying to clone from, will use
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# environment defaults to fetch from the same instance that the workflow is
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# running from unless specified. Example URLs are https://github.com or
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# https://my-ghes-server.example.com
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github-server-url: ''
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# Required to check out fork pull request code from a workflow triggered by
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# `pull_request_target` or `workflow_run`. These workflows run with the base
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# repository's GITHUB_TOKEN, secrets, default-branch cache scope, and runner
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# access; fetching and executing a fork's code in that trusted context commonly
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# leads to "pwn request" vulnerabilities. Set to `true` only after reviewing the
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# risks at https://gh.io/securely-using-pull_request_target.
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# Default: false
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allow-unsafe-pr-checkout: ''
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uses: https://git.moneywood.site/mu-ref/actions-checkout@v4
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```
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<!-- end usage -->
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- 标签: 上游全部 tag（v4 为流动标签，随上游发布移动）
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# Scenarios
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## 防护规则（每次同步后必须复核，违反其一即回归 2026-08-26 调度事故）
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- [Checkout V5](#checkout-v5)
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- [What's new](#whats-new)
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- [Checkout V4](#checkout-v4)
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- [Note](#note)
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- [What's new](#whats-new-1)
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- [Usage](#usage)
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- [Scenarios](#scenarios)
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- [Fetch only the root files](#fetch-only-the-root-files)
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- [Fetch only the root files and `.github` and `src` folder](#fetch-only-the-root-files-and-github-and-src-folder)
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- [Fetch only a single file](#fetch-only-a-single-file)
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- [Fetch all history for all tags and branches](#fetch-all-history-for-all-tags-and-branches)
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- [Checkout a different branch](#checkout-a-different-branch)
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- [Checkout HEAD^](#checkout-head)
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- [Checkout multiple repos (side by side)](#checkout-multiple-repos-side-by-side)
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- [Checkout multiple repos (nested)](#checkout-multiple-repos-nested)
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- [Checkout multiple repos (private)](#checkout-multiple-repos-private)
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- [Checkout pull request HEAD commit instead of merge commit](#checkout-pull-request-head-commit-instead-of-merge-commit)
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- [Checkout pull request on closed event](#checkout-pull-request-on-closed-event)
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- [Push a commit using the built-in token](#push-a-commit-using-the-built-in-token)
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- [Push a commit to a PR using the built-in token](#push-a-commit-to-a-pr-using-the-built-in-token)
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- [Recommended permissions](#recommended-permissions)
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- [License](#license)
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1. 本仓 Actions 保持禁用（repo 设置 has_actions=false；事故证明它挡不住已登记的 schedule，必须配合第 2 条）
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2. 仓内不得存在任何 workflow 文件（.github/workflows/ 已剥离；Gitea 1.24.7 不会随文件删除清理 schedule 登记）
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## Fetch only the root files
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## 同步步骤（更新上游时执行）
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```yaml
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- uses: actions/checkout@v7
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with:
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sparse-checkout: .
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```bash
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REPO=actions-checkout
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SRC=https://github.com/actions/checkout.git
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git clone --mirror "$SRC" /tmp/mirror-$REPO.git
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# 1) 剥掉 GitHub 的 PR 引用（Gitea hook 拒绝 refs/pull/*）
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git -C /tmp/mirror-$REPO.git for-each-ref --format='delete %(refname)' refs/pull | git -C /tmp/mirror-$REPO.git update-ref --stdin
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# 2) 剥掉 .github/workflows（上游 CI 不得在 Gitea 执行）
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rm -rf /tmp/wt-$REPO && git clone -q /tmp/mirror-$REPO.git /tmp/wt-$REPO
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git -C /tmp/wt-$REPO checkout -q main
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git -C /tmp/wt-$REPO rm -r -q .github/workflows
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git -C /tmp/wt-$REPO -c user.name=dsh-mulm -c user.email=dsh-mulm@est.local commit -q -m 'chore: strip upstream CI workflows'
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git -C /tmp/wt-$REPO push -q gitea-dsh:mu-ref/$REPO.git main --tags
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# 3) 复核防护规则（缺一不可）
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curl -s -H "Authorization: token $GITEA_TOKEN" http://127.0.0.1:3300/api/v1/repos/mu-ref/$REPO | jq '{has_actions}'
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git ls-tree gitea-dsh:mu-ref/$REPO.git main --name-only | grep -q '.github' && echo 'FAIL: workflow dir present' || echo OK
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git ls-remote gitea-dsh:mu-ref/$REPO.git refs/tags/v4
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```
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## Fetch only the root files and `.github` and `src` folder
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## 事故记录
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```yaml
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- uses: actions/checkout@v7
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with:
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sparse-checkout: |
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.github
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src
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```
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## Fetch only a single file
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```yaml
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- uses: actions/checkout@v7
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with:
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sparse-checkout: |
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README.md
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sparse-checkout-cone-mode: false
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```
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## Fetch all history for all tags and branches
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```yaml
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- uses: actions/checkout@v7
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with:
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fetch-depth: 0
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```
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## Checkout a different branch
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```yaml
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- uses: actions/checkout@v7
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with:
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ref: my-branch
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```
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## Checkout HEAD^
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```yaml
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- uses: actions/checkout@v7
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with:
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fetch-depth: 2
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- run: git checkout HEAD^
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```
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## Checkout multiple repos (side by side)
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```yaml
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- name: Checkout
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uses: actions/checkout@v7
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with:
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path: main
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- name: Checkout tools repo
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uses: actions/checkout@v7
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with:
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repository: my-org/my-tools
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path: my-tools
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```
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> - If your secondary repository is private or internal you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
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## Checkout multiple repos (nested)
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```yaml
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- name: Checkout
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uses: actions/checkout@v7
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- name: Checkout tools repo
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uses: actions/checkout@v7
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with:
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repository: my-org/my-tools
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path: my-tools
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```
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> - If your secondary repository is private or internal you will need to add the option noted in [Checkout multiple repos (private)](#Checkout-multiple-repos-private)
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|
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## Checkout multiple repos (private)
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|
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```yaml
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- name: Checkout
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uses: actions/checkout@v7
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with:
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path: main
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- name: Checkout private tools
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uses: actions/checkout@v7
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with:
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repository: my-org/my-private-tools
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token: ${{ secrets.GH_PAT }} # `GH_PAT` is a secret that contains your PAT
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path: my-tools
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```
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|
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> - `${{ github.token }}` is scoped to the current repository, so if you want to checkout a different repository that is private you will need to provide your own [PAT](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line).
|
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|
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|
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## Checkout pull request HEAD commit instead of merge commit
|
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|
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```yaml
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- uses: actions/checkout@v7
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with:
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ref: ${{ github.event.pull_request.head.sha }}
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```
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|
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## Checkout pull request on closed event
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```yaml
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on:
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pull_request:
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branches: [main]
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types: [opened, synchronize, closed]
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jobs:
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||||
build:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v7
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```
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## Push a commit using the built-in token
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|
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```yaml
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on: push
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jobs:
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build:
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runs-on: ubuntu-latest
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||||
steps:
|
||||
- uses: actions/checkout@v7
|
||||
- run: |
|
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date > generated.txt
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# Note: the following account information will not work on GHES
|
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git config user.name "github-actions[bot]"
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git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
|
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git add .
|
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git commit -m "generated"
|
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git push
|
||||
```
|
||||
*NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
|
||||
|
||||
## Push a commit to a PR using the built-in token
|
||||
|
||||
In a pull request trigger, `ref` is required as GitHub Actions checks out in detached HEAD mode, meaning it doesn’t check out your branch by default.
|
||||
|
||||
```yaml
|
||||
on: pull_request
|
||||
jobs:
|
||||
build:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
- uses: actions/checkout@v7
|
||||
with:
|
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ref: ${{ github.head_ref }}
|
||||
- run: |
|
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date > generated.txt
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# Note: the following account information will not work on GHES
|
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git config user.name "github-actions[bot]"
|
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git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
|
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git add .
|
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git commit -m "generated"
|
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git push
|
||||
```
|
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|
||||
*NOTE:* The user email is `{user.id}+{user.login}@users.noreply.github.com`. See users API: https://api.github.com/users/github-actions%5Bbot%5D
|
||||
|
||||
# Recommended permissions
|
||||
|
||||
When using the `checkout` action in your GitHub Actions workflow, it is recommended to set the following `GITHUB_TOKEN` permissions to ensure proper functionality, unless alternative auth is provided via the `token` or `ssh-key` inputs:
|
||||
|
||||
```yaml
|
||||
permissions:
|
||||
contents: read
|
||||
```
|
||||
|
||||
# License
|
||||
|
||||
The scripts and documentation in this project are released under the [MIT License](LICENSE)
|
||||
- 2026-08-26: 初版镜像（est org）把上游 .github/workflows 一并推入，codeql.yml 的 schedule 被 Gitea 1.24.7 以 ~30 秒间隔重复执行，CodeQL job 挂起 17–30 分钟/个，4 并发占满 tn runner，阻断全平台 CI。处置：删仓重建 + 剥离 workflow + 禁用 Actions，最终归位 mu-ref。详见 Est-Platform-Coordination 交接文档第四节（reviews/gitea-build-pitfalls-handoff-2026-08-26.md）。
|
||||
|
||||
Reference in New Issue
Block a user