Create cherry pick PR #2
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| name: Create cherry pick PR | |
| on: | |
| repository_dispatch: | |
| types: [create-cherry-pick-pr] | |
| workflow_dispatch: | |
| inputs: | |
| pr: | |
| description: PR number to cherry-pick | |
| required: true | |
| type: number | |
| target_branch: | |
| description: Target branch to cherry-pick to | |
| required: true | |
| type: string | |
| requesting_user: | |
| description: User who requested the cherry-pick | |
| required: true | |
| type: string | |
| permissions: | |
| contents: read | |
| # Ensure scripts are run with pipefail. See: | |
| # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#exit-codes-and-error-action-preference | |
| defaults: | |
| run: | |
| shell: bash | |
| jobs: | |
| open-pr: | |
| runs-on: ubuntu-latest | |
| if: github.repository == 'microsoft/TypeScript' | |
| steps: | |
| - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 | |
| with: | |
| filter: blob:none # https://github.blog/2020-12-21-get-up-to-speed-with-partial-clone-and-shallow-clone/ | |
| fetch-depth: 0 # Default is 1; need to set to 0 to get the benefits of blob:none. | |
| token: ${{ secrets.TS_BOT_GITHUB_TOKEN }} | |
| - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| env: | |
| PR: ${{ inputs.pr || github.event.client_payload.pr }} | |
| TARGET_BRANCH: ${{ inputs.target_branch || github.event.client_payload.target_branch }} | |
| REQUESTING_USER: ${{ inputs.requesting_user || github.event.client_payload.requesting_user }} | |
| with: | |
| retries: 3 | |
| github-token: ${{ secrets.TS_BOT_GITHUB_TOKEN }} | |
| script: | | |
| const { PR, TARGET_BRANCH, REQUESTING_USER } = process.env; | |
| const pr = await github.rest.pulls.get({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: +PR, | |
| }); | |
| if (!pr.data.merge_commit_sha) throw new Error("No merge commit sha found"); | |
| const pickBranch = `cherry-pick/${PR}/${TARGET_BRANCH}`; | |
| const title = `🤖 Pick PR #${PR} (${pr.data.title.substring(0, 35)}${pr.data.title.length > 35 ? "..." : ""}) into ${TARGET_BRANCH}`; | |
| await exec.exec("git", ["switch", "--detach", `origin/${TARGET_BRANCH}`]); | |
| await exec.exec("git", ["switch", "-c", pickBranch]); | |
| await exec.exec("git", ["cherry-pick", pr.data.merge_commit_sha]); | |
| await exec.exec("git", ["push", "--force", "--set-upstream", "origin", pickBranch]); | |
| const existingPulls = await github.rest.pulls.list({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| head: `${context.repo.owner}:${pickBranch}`, | |
| }); | |
| if (existingPulls.data.length === 0) { | |
| console.log(`No existing PRs found for ${pickBranch}`); | |
| const body = `This cherry-pick was triggered by a request on #${PR}.\n\nPlease review the diff and merge if no changes are unexpected.`; | |
| const newPr = await github.rest.pulls.create({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| base: TARGET_BRANCH, | |
| head: pickBranch, | |
| title, | |
| body, | |
| assignees: ["DanielRosenwasser"], | |
| reviewers: ["DanielRosenwasser", REQUESTING_USER], | |
| }); | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: +PR, | |
| body: `Hey @${REQUESTING_USER}, I've created #${newPr.data.number} for you.`, | |
| }); | |
| } | |
| else { | |
| const existing = existingPulls.data[0]; | |
| console.log(`Found existing PR #${existing.number} for ${pickBranch}`); | |
| await github.rest.pulls.update({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: existing.number, | |
| title, | |
| }); | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: +PR, | |
| body: `Hey @${REQUESTING_USER}, I've updated #${existing.number} for you.`, | |
| }); | |
| } | |
| - run: | | |
| MESSAGE="Hey @$REQUESTING_USER, I was unable to cherry-pick this PR." | |
| MESSAGE+=$'\n\n' | |
| MESSAGE+="Check the logs at: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" | |
| gh pr comment "$PR" --repo ${{ github.repository }} --body "$MESSAGE" | |
| if: ${{ failure() }} | |
| env: | |
| PR: ${{ inputs.pr || github.event.client_payload.pr }} | |
| TARGET_BRANCH: ${{ inputs.target_branch || github.event.client_payload.target_branch }} | |
| REQUESTING_USER: ${{ inputs.requesting_user || github.event.client_payload.requesting_user }} | |
| GH_TOKEN: ${{ secrets.TS_BOT_GITHUB_TOKEN }} |