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Modify the combine-prs workflow to use the combine-prs action
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This action will only merge dependabot PRs that pass CI, which is
what we want.
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amstilp committed Feb 28, 2024
1 parent f6642a5 commit d600cee
Showing 1 changed file with 15 additions and 130 deletions.
145 changes: 15 additions & 130 deletions .github/workflows/combine-prs.yml
Original file line number Diff line number Diff line change
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name: 'Combine PRs'
name: Combine PRs

# Controls when the action will run - in this case triggered manually
on:
workflow_dispatch:
inputs:
branchPrefix:
description: 'Branch prefix to find combinable PRs based on'
required: true
default: 'dependabot'
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'
ignoreLabel:
description: 'Exclude PRs with this label'
required: true
default: 'nocombine'
schedule:
- cron: '0 8 * * 1' # Monday at 08:00 UTC
workflow_dispatch: # allows you to manually trigger the workflow

# The minimum permissions required to run this Action
permissions:
contents: write
pull-requests: write
checks: read

# 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@v7
id: fetch-branch-names
name: Fetch branch names
with:
github-token: ${{secrets.GITHUB_TOKEN}}
script: |
const pulls = await github.paginate('GET /repos/:owner/:repo/pulls', {
owner: context.repo.owner,
repo: context.repo.repo
});
branches = [];
prs = [];
base_branch = null;
for (const pull of pulls) {
const branch = pull['head']['ref'];
console.log('Pull for branch: ' + branch);
if (branch.startsWith('${{ github.event.inputs.branchPrefix }}')) {
console.log('Branch matched: ' + branch);
statusOK = true;
if(${{ github.event.inputs.mustBeGreen }}) {
console.log('Checking green status: ' + branch);
const checkRuns = await github.request('GET /repos/{owner}/{repo}/commits/{ref}/check-runs', {
owner: context.repo.owner,
repo: context.repo.repo,
ref: branch
});
for await (const cr of checkRuns.data.check_runs) {
console.log('Validating check conclusion: ' + cr.conclusion);
if(cr.conclusion != 'success') {
console.log('Discarding ' + branch + ' with check conclusion ' + cr.conclusion);
statusOK = false;
}
}
}
console.log('Checking labels: ' + branch);
const labels = pull['labels'];
for(const label of labels) {
const labelName = label['name'];
console.log('Checking label: ' + labelName);
if(labelName == '${{ github.event.inputs.ignoreLabel }}') {
console.log('Discarding ' + branch + ' with label ' + labelName);
statusOK = false;
}
}
if (statusOK) {
console.log('Adding branch to array: ' + branch);
branches.push(branch);
prs.push('#' + 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@v4
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: ${{ github.event.inputs.combineBranchName }}
run: |
echo "${{steps.fetch-branch-names.outputs.result}}"
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 [email protected]
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@v7
name: Create Combined Pull Request
- name: combine-prs
id: combine-prs
uses: github/[email protected]
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' + 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
});
labels: combined-pr # Optional: add a label to the combined PR
ci_required: true # require all checks to pass before combining

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