free-programming-books/.github/workflows/stale.yml

name: Stale and close inactive issues/PRs

on:
  schedule:
    - cron: "0 0,6,12,18 * * *"  # every 6 hours o'clock... 0:00am 6:00am 12:00pm 18:00pm
  workflow_dispatch:             # or manually

permissions:
  contents: none
  issues: read
  pull-requests: read

# This allows a subsequently queued workflow run to interrupt previous runs
concurrency:
  group: '${{ github.workflow }} @ ${{ github.run_id }}'
  cancel-in-progress: true

jobs:

  process-issues:
    name: Process Issues
    # This allows a subsequently queued workflow run to wait for previous runs completion
    concurrency:
      group: '${{ github.workflow }} @ ${{ github.run_id }} :: issues'
      cancel-in-progress: false
    # export variables used by reporter job
    outputs:
      staled-issues: ${{ steps.staler.outputs.staled-issues-prs }}
      closed-issues: ${{ steps.staler.outputs.closed-issues-prs }}
    # enable write access rights to allow comment and labeling by bot
    permissions:
      issues: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v5
        id: staler
        with:
          operations-per-run: 30
          days-before-issue-stale: 60
          days-before-issue-close: 30
          stale-issue-label: "stale"
          close-issue-label: "stale: closed"
          stale-issue-message: |
            This issue has been automatically marked as stale because it has not had activity during the last 60 days.

            It will be closed if no further activity occurs on the next 30 days.

            Thank you for your contributions.            
          close-issue-message: |
            This issue has been automatically closed because it has been inactive during the last 30 days since being marked as stale.

            Anyway, thank you for your contributions.            
          remove-issue-stale-when-updated: true
          exempt-issue-labels: "blocked,must,should,keep,👥 discussion,👀 Needs Review,📌 pinned"
          days-before-pr-stale: -1
          days-before-pr-close: -1


  process-prs:
    name: Process Pull Requests
    # This allows a subsequently queued workflow run to wait for previous runs completion
    concurrency:
      group: '${{ github.workflow }} @ ${{ github.run_id }} :: PRs'
      cancel-in-progress: false
    # export variables used by reporter job
    outputs:
      staled-prs: ${{ steps.staler.outputs.staled-issues-prs }}
      closed-prs: ${{ steps.staler.outputs.closed-issues-prs }}
    # enable write access rights to allow comment and labeling by bot
    permissions:
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v5
        id: staler
        with:
          operations-per-run: 30
          days-before-pr-stale: 60
          days-before-pr-close: 30
          stale-pr-label: "stale"
          close-pr-label: "stale: closed"
          stale-pr-message: |
            This pull request has been automatically marked as stale because it has not had activity during the last 60 days.

            It will be closed if no further activity occurs on the next 30 days.

            Thank you for your contributions.            
          close-pr-message: |
            This pull request has been automatically closed because it has been inactive during the last 30 days since being marked as stale.

            Anyway, thank you for your contributions.            
          remove-pr-stale-when-updated: true
          exempt-pr-labels: "blocked,must,should,keep,👥 discussion,👀 Needs Review"
          exempt-draft-pr: true
          days-before-issue-stale: -1
          days-before-issue-close: -1


  reporter:
    name: GitHub reporter
    needs: [process-issues, process-prs]
    runs-on: ubuntu-latest
    steps:
      - run: |
          echo "### Staled issues"  \
            >> $GITHUB_STEP_SUMMARY
          echo "$STALED_ISSUES"  \
            | jq --raw-output 'map("* [#\(.number)](\(env.GITHUB_ISSUES_URL)/\(.number)): \(.title)") | join("\n")'  \
            >> $GITHUB_STEP_SUMMARY

          echo "### Staled pull requests"  \
            >> $GITHUB_STEP_SUMMARY
          echo "$STALED_PRS"  \
            | jq --raw-output 'map("* [#\(.number)](\(env.GITHUB_PULL_URL)/\(.number)): \(.title)") | join("\n")'  \
            >> $GITHUB_STEP_SUMMARY

          echo "### Closed issues"  \
            >> $GITHUB_STEP_SUMMARY
          echo "$CLOSED_ISSUES"  \
            | jq --raw-output 'map("* [#\(.number)](\(env.GITHUB_ISSUES_URL)/\(.number)): \(.title)") | join("\n")'  \
            >> $GITHUB_STEP_SUMMARY

          echo "### Closed pull requests"  \
            >> $GITHUB_STEP_SUMMARY
          echo "$CLOSED_PRS"  \
            | jq --raw-output 'map("* [#\(.number)](\(env.GITHUB_PULL_URL)/\(.number)): \(.title)") | join("\n")'  \
            >> $GITHUB_STEP_SUMMARY          
        env:
          GITHUB_REPO_URL:   ${{ format('{0}/{1}', github.server_url, github.repository) }}
          GITHUB_ISSUES_URL: ${{ format('{0}/{1}/issues', github.server_url, github.repository) }}
          GITHUB_PULL_URL:   ${{ format('{0}/{1}/pull', github.server_url, github.repository) }}
          STALED_ISSUES: ${{ needs.process-issues.outputs.staled-issues }}
          CLOSED_ISSUES: ${{ needs.process-issues.outputs.closed-issues }}
          STALED_PRS:    ${{ needs.process-prs.outputs.staled-prs }}
          CLOSED_PRS:    ${{ needs.process-prs.outputs.closed-prs }}