cancel-running-workflows.yaml

name: Cancel Workflow Runs

on:
  pull_request:
    types: [ synchronize ]

jobs:
  cancel-runs:
    runs-on: ubuntu-latest
    steps:
      - name: Extract branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch
      - name: Get Workflow Runs
        id: get_runs
        uses: actions/github-script@v4
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { data: runs } = await github.actions.listRepoWorkflowRuns({
              owner: context.repo.owner,
              repo: context.repo.repo,
              per_page: 100,
              status: 'in_progress' // Filter for in-progress runs
            });
            return runs;

      - name: Cancel Workflow Runs
        if: ${{ always() }}
        run: |
          for run in "${{ steps.get_runs.outputs.runtimes }}"; do
            # Cancel runs based on conditions
            # Example: cancel runs triggered by the main branch
            if [[ $run.branch == ${{ steps.extract_branch.outputs.branch }} ]]; then
              curl -X POST \
                -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                -H "Accept: application/vnd.github.v3+json" \
                https://api.github.com/repos/${{ github.repository }}/actions/runs/${run.id}/cancel
            fi
          done