name: Rubyspec Version Guards Check

on:
  push:
    paths:
      - '.github/workflows/spec_guards.yml'
      - 'spec/**'
      - '!spec/*.md'
  pull_request:
    paths:
      - '.github/workflows/spec_guards.yml'
      - 'spec/**'
      - '!spec/*.md'
  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:
  rubyspec:
    name: Rubyspec

    runs-on: ubuntu-22.04

    if: >-
      ${{!(false
      || contains(github.event.head_commit.message, '[DOC]')
      || contains(github.event.pull_request.title, '[DOC]')
      || contains(github.event.pull_request.labels.*.name, 'Documentation')
      || (github.event_name == 'push' && github.event.pull_request.user.login == 'dependabot[bot]')
      )}}

    strategy:
      matrix:
        # Specs from ruby/spec should still run on all supported Ruby versions.
        # This also ensures the needed ruby_version_is guards are there, see spec/README.md.
        ruby:
          - ruby-3.2
          - ruby-3.3
          - ruby-3.4
          - ruby-4.0
      fail-fast: false

    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1

      - uses: ruby/setup-ruby@b90be12699fdfcbee4440c2bba85f6f460446bb0 # v1.279.0
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler: none

      - run: gem install webrick

      - run: ruby ../mspec/bin/mspec
        working-directory: spec/ruby
        env:
          CHECK_LEAKS: true

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