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create-cherry-pick-pr #5

create-cherry-pick-pr

create-cherry-pick-pr #5

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 ${TARGET_BRANCH}`;
await exec.exec("git", ["config", "user.email", "typescriptbot@microsoft.com"]);
await exec.exec("git", ["config", "user.name", "TypeScript Bot"]);
await exec.exec("git", ["switch", "--detach", `origin/${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 }}