[pull] master from backstage:master #1734
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name: Sync Dependabot changeset | |
on: | |
pull_request_target: | |
paths: | |
- '.github/workflows/sync_dependabot-changesets.yml' | |
- '**/yarn.lock' | |
jobs: | |
generate-changeset: | |
runs-on: ubuntu-latest | |
if: github.actor == 'dependabot[bot]' && github.repository == 'backstage/backstage' | |
steps: | |
- name: Harden Runner | |
uses: step-security/harden-runner@c95a14d0e5bab51a9f56296a4eb0e416910cd350 # v2.10.3 | |
with: | |
egress-policy: audit | |
- name: Checkout | |
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
with: | |
fetch-depth: 2 | |
ref: ${{ github.head_ref }} | |
token: ${{ secrets.GH_SERVICE_ACCOUNT_TOKEN }} | |
- name: Configure Git | |
run: | | |
git config --global user.email [email protected] | |
git config --global user.name 'Github changeset workflow' | |
- name: Generate changeset | |
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
with: | |
script: | | |
const { promises: fs } = require('fs'); | |
// Parses package.json files and returns the package names | |
async function getPackagesNames(files) { | |
const names = []; | |
for (const file of files) { | |
const data = JSON.parse(await fs.readFile(file, 'utf8')); | |
if (!data.private) { | |
names.push(data.name); | |
} | |
} | |
return names; | |
} | |
async function createChangeset(fileName, commitMessage, packages) { | |
const pkgs = packages.map(pkg => `'${pkg}': patch`).join('\n'); | |
const message = commitMessage.replace(/([bB])ump ([\S]+)/, '$1ump `$2`').trim(); | |
const body = `---\n${pkgs}\n---\n\n${message}\n`; | |
await fs.writeFile(fileName, body); | |
} | |
const branch = await exec.getExecOutput('git branch --show-current'); | |
if (!branch.stdout.startsWith('dependabot/')) { | |
console.log('Not a dependabot branch, skipping'); | |
return; | |
} | |
const diffOutput = await exec.getExecOutput('git diff --name-only HEAD~1'); | |
const diffFiles = diffOutput.stdout.split('\n'); | |
if (diffFiles.find(f => f.startsWith('.changeset'))) { | |
console.log('Changeset already exists, skipping'); | |
return; | |
} | |
const files = diffFiles | |
.filter(file => file !== 'package.json') // skip root package.json | |
.filter(file => file.includes('package.json')); | |
const packageNames = await getPackagesNames(files); | |
if (!packageNames.length) { | |
console.log('No package.json changes to published packages, skipping'); | |
return; | |
} | |
const { stdout: shortHash } = await exec.getExecOutput('git rev-parse --short HEAD'); | |
const fileName = `.changeset/dependabot-${shortHash.trim()}.md`; | |
const { stdout: commitMessage } = await exec.getExecOutput('git show --pretty=format:%s -s HEAD'); | |
await createChangeset(fileName, commitMessage, packageNames); | |
await exec.exec('git', ['add', fileName]); | |
await exec.exec('git commit -C HEAD --amend --no-edit'); | |
await exec.exec('git push --force'); |