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/
combine-prs.yml
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name: 'Combine PRs'
# Controls when the action will run - in this case triggered manually
on:
workflow_dispatch:
inputs:
mustBeGreen:
description: 'Only combine PRs that are green (status is success)'
required: true
default: true
combineBranchName:
description: 'Name of the branch to combine PRs into'
required: true
default: 'combine-prs-branch'
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
# This workflow contains a single job called "combine-prs"
combine-prs:
# The type of runner that the job will run on
runs-on: ubuntu-latest
# Steps represent a sequence of tasks that will be executed as part of the job
steps:
- uses: actions/github-script@v3
id: fetch-branch-names
name: Fetch branch names
with:
github-token: ${{secrets.GITHUB_TOKEN}}
script: |
const pulls = await github.paginate('GET /repos/:owner/:repo/pulls', {
owner: context.repo.owner,
repo: context.repo.repo
});
branches = [];
prs = [];
base_branch = null;
for (const pull of pulls) {
const branch = pull['head']['ref'];
console.log('Pull for branch: ' + branch);
if (pull['user']['login'].match(/^(dependabot\[bot\]|dependabot-preview\[bot\])$/)) {
console.log('Branch matched: ' + branch);
statusOK = true;
if(${{ github.event.inputs.mustBeGreen }}) {
console.log('Checking green status: ' + branch);
const checks = await github.paginate('GET /repos/{owner}/{repo}/commits/{ref}/check-runs', {
owner: context.repo.owner,
repo: context.repo.repo,
ref: branch
});
if(checks.length > 0) {
for (const check of checks) {
const latest_conclusion = check['conclusion'];
console.log('Validating conclusion: ' + latest_conclusion);
if(latest_conclusion == 'failure') {
console.log('Discarding ' + branch + ' with failed check');
statusOK = false;
}
}
}
}
if (statusOK) {
console.log('Adding branch to array: ' + branch);
branches.push(branch);
prs.push('Closes #' + pull['number'] + ' ' + pull['title']);
base_branch = pull['base']['ref'];
}
}
}
if (branches.length == 0) {
core.setFailed('No PRs/branches matched criteria');
return;
}
core.setOutput('base-branch', base_branch);
core.setOutput('prs-string', prs.join('\n'));
combined = branches.join(' ')
console.log('Combined: ' + combined);
return combined
# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
- uses: actions/checkout@v2.3.3
with:
fetch-depth: 0
# Creates a branch with other PR branches merged together
- name: Created combined branch
env:
BASE_BRANCH: ${{ steps.fetch-branch-names.outputs.base-branch }}
BRANCHES_TO_COMBINE: ${{ steps.fetch-branch-names.outputs.result }}
COMBINE_BRANCH_NAME: ${{ github.event.inputs.combineBranchName }}
run: |
sourcebranches="${BRANCHES_TO_COMBINE%\"}"
sourcebranches="${sourcebranches#\"}"
basebranch="${BASE_BRANCH%\"}"
basebranch="${basebranch#\"}"
git config pull.rebase false
git config user.name github-actions
git config user.email github-actions@github.com
git branch $COMBINE_BRANCH_NAME $basebranch
git checkout $COMBINE_BRANCH_NAME
git pull origin $sourcebranches --no-edit
git push origin $COMBINE_BRANCH_NAME
# Creates a PR with the new combined branch
- uses: actions/github-script@v3
name: Create Combined Pull Request
with:
github-token: ${{secrets.GITHUB_TOKEN}}
script: |
const prString = `${{ steps.fetch-branch-names.outputs.prs-string }}`;
const body = 'This PR was created by the Combine PRs action by combining the following PRs:\n\n' + prString;
await github.pulls.create({
owner: context.repo.owner,
repo: context.repo.repo,
title: 'Combined PR',
head: '${{ github.event.inputs.combineBranchName }}',
base: '${{ steps.fetch-branch-names.outputs.base-branch }}',
body: body
});