cancel.yml

name: Cancel PR Workflow

on:
  pull_request_target:
    types:
      - closed

permissions:
  actions: write

jobs:
  cancel:
    if: github.event.pull_request.merged != true
    runs-on: ubuntu-latest
    steps:
      - name: Cancel workflow runs for the PR
        uses: actions/github-script@v6
        with:
          github-token: ${{ github.token }}
          script: |
            const { data: runs } = await github.rest.actions.listWorkflowRuns({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: "dev.yml",
            });
            for (const run of runs.workflow_runs) {
              if (run.status === "completed") {
                core.debug(`Skipped completed workflow run: ${run.id}`);
                continue
              }
              if (run.head_sha !== context.payload.pull_request.head.sha) {
                core.debug(`Skipped different head sha workflow run: ${run.id}`);
                continue
              }
              core.info(`Canceling workflow run: ${run.id} ...`);
              await github.rest.actions.cancelWorkflowRun({
                owner: context.repo.owner,
                repo: context.repo.repo,
                run_id: run.id
              });
            }