unlabel-closed-issues.yml

name: Check/remove status labels from closed issues
on:
  issues:
    types:
      - closed
jobs:
  label_issues:
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
        with:
          script: |
            const issue = await github.rest.issues.get({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
            });
            const originalLabels = issue.data.labels.map(l => l.name);
            const newLabels = originalLabels.filter(l => l !== "status: in progress" && l !== "status: new");
            if (newLabels.length !== originalLabels.length) {
              await github.rest.issues.update({
                issue_number: issue.data.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: newLabels,
              });
            }
            const statusLabels = newLabels.filter(l => l.startsWith("status: "));
            if (issue.data.state_reason === "not_planned" && statusLabels.length === 0) {
              await github.rest.issues.createComment({
                issue_number: issue.data.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                body: "Please assign a status label to this issue.",
              });
              await github.rest.issues.update({
                issue_number: issue.data.number,
                owner: context.repo.owner,
                repo: context.repo.repo,
                state: "open",
              });
            }