Combine Dependabot PRs #8
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright (c) 2020 Hrvey | |
# | |
# Permission is hereby granted, free of charge, to any person obtaining a copy | |
# of this software and associated documentation files (the "Software"), to deal | |
# in the Software without restriction, including without limitation the rights | |
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the Software is | |
# furnished to do so, subject to the following conditions: | |
# | |
# The above copyright notice and this permission notice shall be included in all | |
# copies or substantial portions of the Software. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
# SOFTWARE. | |
name: 'Combine Dependabot 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 | |
type: boolean | |
combineBranchName: | |
description: 'Name of the branch to combine PRs into' | |
required: true | |
default: 'combined-dependabot-prs' | |
ignoreLabel: | |
description: 'Exclude PRs with this label' | |
required: true | |
default: 'nocombine' | |
# 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: create-combined-pr | |
name: Create Combined PR | |
with: | |
github-token: ${{secrets.GITHUB_TOKEN}} | |
script: | | |
const pulls = await github.paginate('GET /repos/:owner/:repo/pulls', { | |
owner: context.repo.owner, | |
repo: context.repo.repo | |
}); | |
let branchesAndPRStrings = []; | |
let baseBranch = null; | |
let baseBranchSHA = null; | |
for (const pull of pulls) { | |
const branch = pull['head']['ref']; | |
console.log('Pull for branch: ' + branch); | |
if (branch.startsWith('${{ github.event.inputs.branchPrefix }}')) { | |
console.log('Branch matched prefix: ' + branch); | |
let statusOK = true; | |
if(${{ github.event.inputs.mustBeGreen }}) { | |
console.log('Checking green status: ' + branch); | |
const stateQuery = `query($owner: String!, $repo: String!, $pull_number: Int!) { | |
repository(owner: $owner, name: $repo) { | |
pullRequest(number:$pull_number) { | |
commits(last: 1) { | |
nodes { | |
commit { | |
statusCheckRollup { | |
state | |
} | |
} | |
} | |
} | |
} | |
} | |
}` | |
const vars = { | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
pull_number: pull['number'] | |
}; | |
const result = await github.graphql(stateQuery, vars); | |
const [{ commit }] = result.repository.pullRequest.commits.nodes; | |
const state = commit.statusCheckRollup.state | |
console.log('Validating status: ' + state); | |
if(state != 'SUCCESS') { | |
console.log('Discarding ' + branch + ' with status ' + state); | |
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 == '${{ github.event.inputs.ignoreLabel }}') { | |
console.log('Discarding ' + branch + ' with label ' + labelName); | |
statusOK = false; | |
} | |
} | |
if (statusOK) { | |
console.log('Adding branch to array: ' + branch); | |
const prString = '#' + pull['number'] + ' ' + pull['title']; | |
branchesAndPRStrings.push({ branch, prString }); | |
baseBranch = pull['base']['ref']; | |
baseBranchSHA = pull['base']['sha']; | |
} | |
} | |
} | |
if (branchesAndPRStrings.length == 0) { | |
core.setFailed('No PRs/branches matched criteria'); | |
return; | |
} | |
try { | |
await github.rest.git.createRef({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
ref: 'refs/heads/' + '${{ github.event.inputs.combineBranchName }}', | |
sha: baseBranchSHA | |
}); | |
} catch (error) { | |
console.log(error); | |
core.setFailed('Failed to create combined branch - maybe a branch by that name already exists?'); | |
return; | |
} | |
let combinedPRs = []; | |
let mergeFailedPRs = []; | |
for(const { branch, prString } of branchesAndPRStrings) { | |
try { | |
await github.rest.repos.merge({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
base: '${{ github.event.inputs.combineBranchName }}', | |
head: branch, | |
}); | |
console.log('Merged branch ' + branch); | |
combinedPRs.push(prString); | |
} catch (error) { | |
console.log('Failed to merge branch ' + branch); | |
mergeFailedPRs.push(prString); | |
} | |
} | |
console.log('Creating combined PR'); | |
const combinedPRsString = combinedPRs.join('\n'); | |
let body = '✅ This PR was created by the Combine PRs action by combining the following PRs:\n' + combinedPRsString; | |
if(mergeFailedPRs.length > 0) { | |
const mergeFailedPRsString = mergeFailedPRs.join('\n'); | |
body += '\n\n⚠️ The following PRs were left out due to merge conflicts:\n' + mergeFailedPRsString | |
} | |
await github.rest.pulls.create({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
title: 'Combined Dependabot PRs', | |
head: '${{ github.event.inputs.combineBranchName }}', | |
base: baseBranch, | |
body: body | |
}); |