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name: "Apply issue labels to PR" | |
on: | |
pull_request_target: | |
types: | |
- opened | |
jobs: | |
label_on_pr: | |
runs-on: ubuntu-latest | |
permissions: | |
contents: none | |
issues: read | |
pull-requests: write | |
steps: | |
- name: Apply labels from linked issue to PR | |
uses: actions/github-script@v5 | |
with: | |
github-token: ${{ secrets.GITHUB_TOKEN }} | |
script: | | |
async function getLinkedIssues(owner, repo, prNumber) { | |
const query = `query GetLinkedIssues($owner: String!, $repo: String!, $prNumber: Int!) { | |
repository(owner: $owner, name: $repo) { | |
pullRequest(number: $prNumber) { | |
closingIssuesReferences(first: 10) { | |
nodes { | |
number | |
labels(first: 10) { | |
nodes { | |
name | |
} | |
} | |
} | |
} | |
} | |
} | |
}`; | |
const variables = { | |
owner: owner, | |
repo: repo, | |
prNumber: prNumber, | |
}; | |
const result = await github.graphql(query, variables); | |
return result.repository.pullRequest.closingIssuesReferences.nodes; | |
} | |
const pr = context.payload.pull_request; | |
const linkedIssues = await getLinkedIssues( | |
context.repo.owner, | |
context.repo.repo, | |
pr.number | |
); | |
const labelsToAdd = new Set(); | |
for (const issue of linkedIssues) { | |
if (issue.labels && issue.labels.nodes) { | |
for (const label of issue.labels.nodes) { | |
labelsToAdd.add(label.name); | |
} | |
} | |
} | |
if (labelsToAdd.size) { | |
await github.rest.issues.addLabels({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
issue_number: pr.number, | |
labels: Array.from(labelsToAdd), | |
}); | |
} |