check_misc.yml

name: Misc
on: [push, pull_request, merge_group]

concurrency:
  group: ${{ github.workflow }} / ${{ startsWith(github.event_name, 'pull') && github.ref_name || github.sha }}
  cancel-in-progress: ${{ startsWith(github.event_name, 'pull') }}

permissions:
  contents: read

jobs:
  checks:
    name: Miscellaneous checks

    permissions:
      contents: write # for Git to git push

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          token: ${{ (github.repository == 'ruby/ruby' && !startsWith(github.event_name, 'pull')) && secrets.MATZBOT_AUTO_UPDATE_TOKEN || secrets.GITHUB_TOKEN }}
          persist-credentials: false

      - uses: ruby/setup-ruby@95ef2b042f9d7a56d8268cba8559e2842e2ad01b # v1.321.0
        with:
          ruby-version: head

      - uses: ./.github/actions/setup/directories
        with:
          makeup: true
          # Skip overwriting MATZBOT_AUTO_UPDATE_TOKEN
          checkout: '' # false (ref: https://github.com/actions/runner/issues/2238)

      - name: Re-generate Makefiles
        run: |
          # config.status needs to run as a shell script
          { echo ':&&exit'; cat tool/prereq.status; } > config.status
          : # same as actions/setup/directories/action.yml
          for mk in Makefile GNUmakefile; do
            sed -f tool/prereq.status template/$mk.in > $mk
          done

      - name: Check for code styles
        run: |
          set -x
          ruby tool/auto-style.rb "$GITHUB_OLD_SHA" "$GITHUB_NEW_SHA"
        env:
          GITHUB_OLD_SHA: ${{ github.event.pull_request.base.sha }}
          GITHUB_NEW_SHA: ${{ github.event.pull_request.merge_commit_sha }}
        # Skip 'push' events because post_push.yml fixes them on push
        if: ${{ github.repository == 'ruby/ruby' && startsWith(github.event_name, 'pull') }}

      - name: Check if date in man pages is up-to-date
        run: |
          git fetch origin --depth=1 "${GITHUB_OLD_SHA}"
          git diff --exit-code --name-only "${GITHUB_OLD_SHA}" HEAD -- man ||
          make V=1 GIT=git BASERUBY=ruby update-man-date
          git diff --color --no-ext-diff --ignore-submodules --exit-code -- man
        env:
          GITHUB_OLD_SHA: ${{ github.event.pull_request.base.sha }}
        if: ${{ startsWith(github.event_name, 'pull') }}

      - name: Check for bash specific substitution in configure.ac
        run: |
          git grep -n '\${[A-Za-z_0-9]*/' -- configure.ac | sed "s/^/::error::/"
          test ${PIPESTATUS[0]} != 0
        if: always()

      - name: Check for header macros
        run: |
          fail=
          for header in ruby/*.h; do
            git grep -l -F -e $header -e HAVE_`echo $header | tr a-z./ A-Z__` -- . > /dev/null && continue
            fail=1
            echo "::error::$header"
          done
          exit $fail
        working-directory: include
        if: always()

      - name: Check for __has_builtin functions
        run: |
          missing=()
          for check in $(git grep -h --no-line-number -o '__has_builtin(__[_a-zA-Z0-9]*)' | sort -u); do
              func="${check#__has_builtin(}"
              func="${func%)}"
              git -P grep -w "RBIMPL_HAS_BUILTIN_$func" > /dev/null || missing+=("-e" "$check")
          done
          [ ${#missing[@]} = 0 ] || {
              echo "::error::Missing __has_builtin fallbacks:"
              git -P grep -F "${missing[@]}" | sed 's/^/::error::/' | head
              false
          }
        if: always()

      - id: now
        run: |
          date +"mon=%-m"%n"day=%-d" >> $GITHUB_OUTPUT
        env:
          TZ: Asia/Tokyo
        if: always()

      - id: deprecation
        run: |
          eval $(sed -n 's/^#define RUBY_API_VERSION_\(MAJOR\|MINOR\) /\1=/p' include/ruby/version.h)
          if git --no-pager grep --color -o 'rb_warn_deprecated_to_remove_at('$MAJOR'\.'$MINOR',.*' -- '*.c' >&2; then
              false
          else
              true
          fi
        continue-on-error: ${{ steps.now.outputs.mon < 12 }}
        if: always()

      - run: make check-depends
        if: always()

      - name: Check if to generate documents
        id: rdoc
        run: |
          set -- $(sed 's/#.*//;/^rdoc /!d' gems/bundled_gems)
          { echo version=$2; echo ref=$4; } >> $GITHUB_OUTPUT
        if: always()

      - name: Checkout rdoc
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          repository: ruby/rdoc
          ref: ${{ steps.rdoc.outputs.ref }}
          path: .bundle/gems/rdoc-${{ steps.rdoc.outputs.version }}
          persist-credentials: false
        if: ${{ always() && steps.rdoc.outputs.ref != '' }}

      - name: Generate rdoc scripts
        run: |
          set -x
          gempath=$(ruby -e 'print Gem.user_dir, "/bin"')
          PATH=$gempath:$PATH
          gem install --user bundler
          bundle config --local path vendor/bundle
          bundle install --jobs 4
          bundle exec rake generate
        working-directory: .bundle/gems/rdoc-${{ steps.rdoc.outputs.version }}
        if: ${{ always() && steps.rdoc.outputs.ref != '' }}

      - name: Core docs coverage
        run: |
          make XRUBY=ruby RDOC_DEPENDS= RBCONFIG=update-rbconfig rdoc-coverage
        if: always()

      - name: Generate docs
        id: docs
        run: |
          make XRUBY=ruby RDOC_DEPENDS= RBCONFIG=update-rbconfig HTMLOUT=html html
          echo htmlout=ruby-html-${GITHUB_SHA:0:10} >> $GITHUB_OUTPUT
        # Generate only when document commit/PR
        if: >-
          ${{always() && (false
          || contains(github.event.head_commit.message, '[ruby/rdoc]')
          || contains(github.event.head_commit.message, '[DOC]')
          || contains(github.event.pull_request.title, '[DOC]')
          || contains(github.event.pull_request.labels.*.name, 'Documentation')
          )}}

      - name: Upload docs
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          path: html
          name: ${{ steps.docs.outputs.htmlout }}
        if: ${{ always() && steps.docs.outcome == 'success' }}

      - uses: ./.github/actions/slack
        with:
          SLACK_WEBHOOK_URL: ${{ secrets.SIMPLER_ALERTS_URL }} # ruby-lang slack: ruby/simpler-alerts-bot
        if: ${{ failure() }}