name: bundled_gems

on:
  push:
    branches: [ "master" ]
    paths:
      - '.github/workflows/bundled_gems.yml'
      - 'gems/bundled_gems'
  pull_request:
    branches: [ "master" ]
    paths:
      - '.github/workflows/bundled_gems.yml'
      - 'gems/bundled_gems'
  merge_group:
    branches: [ "master" ]
    paths:
      - '.github/workflows/bundled_gems.yml'
      - 'gems/bundled_gems'
  schedule:
    - cron: '45 6 * * *'
  workflow_dispatch:

permissions:  # added using https://github.com/step-security/secure-workflows
  contents: read

jobs:
  update:
    permissions:
      contents: write  # for Git to git push
    if: ${{ github.event_name != 'schedule' || github.repository == 'ruby/ruby' }}
    name: update ${{ github.workflow }}
    runs-on: ubuntu-latest
    steps:
      - name: git config
        run: |
          git config --global advice.detachedHead 0
          git config --global init.defaultBranch garbage

      - name: Set ENV
        run: |
          echo "GNUMAKEFLAGS=-j$((1 + $(nproc --all)))" >> $GITHUB_ENV
          echo "TODAY=$(date +%F)" >> $GITHUB_ENV

      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2

      - uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
        with:
          path: .downloaded-cache
          key: downloaded-cache-${{ github.sha }}
          restore-keys: |
            downloaded-cache

      - name: Download previous gems list
        run: |
          data=bundled_gems.json
          mkdir -p .downloaded-cache
          ln -s .downloaded-cache/$data .
          curl -O -R -z ./$data https://stdgems.org/$data

      - name: Update bundled gems list
        run: |
          ruby -i~ tool/update-bundled_gems.rb gems/bundled_gems

      - name: Maintain updated gems list in NEWS
        run: |
          ruby tool/update-NEWS-gemlist.rb bundled

      - name: Check diffs
        id: diff
        run: |
          git add -- NEWS.md
          git diff --no-ext-diff --ignore-submodules --quiet -- gems/bundled_gems
        continue-on-error: true

      - name: Install libraries
        run: |
          set -x
          sudo apt-get update -q || :
          sudo apt-get install --no-install-recommends -q -y build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev bison autoconf ruby
        if: ${{ steps.diff.outcome == 'failure' }}

      - name: Build
        run: |
          ./autogen.sh
          ./configure -C --disable-install-doc
          make
        if: ${{ steps.diff.outcome == 'failure' }}

      - name: Prepare bundled gems
        run: |
          make -s prepare-gems
        if: ${{ steps.diff.outcome == 'failure' }}

      - name: Test bundled gems
        run: |
          make -s test-bundled-gems
          git add -- gems/bundled_gems
        timeout-minutes: 30
        env:
          RUBY_TESTOPTS: "-q --tty=no"
          TEST_BUNDLED_GEMS_ALLOW_FAILURES: ""
        if: ${{ steps.diff.outcome == 'failure' }}

      - name: Show diffs
        id: show
        run: |
          git diff --cached --color --no-ext-diff --ignore-submodules --exit-code --
        continue-on-error: true

      - name: Commit
        run: |
          git pull --ff-only origin ${GITHUB_REF#refs/heads/}
          message="Update bundled gems list at "
          if [ ${{ steps.diff.outcome }} = success ]; then
            git commit --message="${message}${GITHUB_SHA:0:30} [ci skip]"
          else
            git commit --message="${message}${TODAY}"
          fi
          git push origin ${GITHUB_REF#refs/heads/}
        env:
          EMAIL: svn-admin@ruby-lang.org
          GIT_AUTHOR_NAME: git
          GIT_COMMITTER_NAME: git
        if: ${{ github.repository == 'ruby/ruby' && !startsWith(github.event_name, 'pull') && steps.show.outcome == 'failure' }}

      - uses: ruby/action-slack@0bd85c72233cdbb6a0fe01d37aaeff1d21b5fce1 # v3.2.1
        with:
          payload: |
            {
              "ci": "GitHub Actions",
              "env": "${{ github.workflow }} / update",
              "url": "https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}",
              "commit": "${{ github.sha }}",
              "branch": "${{ github.ref_name }}"
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SIMPLER_ALERTS_URL }} # ruby-lang slack: ruby/simpler-alerts-bot
        if: ${{ failure() && github.event_name == 'push' }}