name: Build and test doc code samples

on:
  pull_request:
    branches:
    - main

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@v5
        with:
          # cancel previous builds if a new commit is pushed
          cancel_others: 'true'
          # only run on push *or* pull_request, not both
          concurrent_skipping: 'same_content_newer'

  test-docs:
    needs: pre_job
    if: needs.pre_job.outputs.should_skip != 'true'
    runs-on: ubuntu-latest
    steps:
      - name: Install Dependencies
        shell: bash
        run: |
          sudo apt-get update
          sudo apt-get install gperf build-essential bison flex libreadline-dev gawk tcl-dev libffi-dev git graphviz xdot pkg-config python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev

      - name: Setup GCC
        uses: Dup4/actions-setup-gcc@v1

      - name: Runtime environment
        shell: bash
        env:
          WORKSPACE: ${{ github.workspace }}
        run: |
          echo "GITHUB_WORKSPACE=`pwd`" >> $GITHUB_ENV
          echo "$GITHUB_WORKSPACE/.local/bin" >> $GITHUB_PATH
          echo "procs=$(nproc)" >> $GITHUB_ENV

      - name: Checkout Yosys
        uses: actions/checkout@v4
        with:
         submodules: true
      - name: Build yosys
        shell: bash
        run: |
          make config-gcc
          make -j${{ env.procs }}

      - name: Run tests
        shell: bash
        run: |
          make -C docs test -j${{ env.procs }}