linux.yml

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  shellcheck:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: shellcheck --color=always --shell=bash --exclude=SC2086,SC2059,SC2046,SC2235,SC2002,SC2206,SC2068,SC2207,SC2013 *.sh activate

  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        llvm-version: [11, 13]
        # Testing all levels because there was a bug that only happened with -O1. (#224)
        opt-level: ['-O0', '-O1', '-O2', '-O3']
    steps:
      - uses: actions/checkout@v3
      - run: sudo apt install -y llvm-${{ matrix.llvm-version }}-dev clang-${{ matrix.llvm-version }} make valgrind
      - run: LLVM_CONFIG=llvm-config-${{ matrix.llvm-version }} make
      - run: ./runtests.sh --verbose --jou-flags "${{ matrix.opt-level }}"
      - run: ./runtests.sh --verbose --jou-flags "${{ matrix.opt-level }} --verbose"
      # Valgrinding is slow, but many files affect valgrind results.
      # We skip it when all changes are to .md files (docs, README etc)
      - name: Figure out if we need to run tests with valgrind
        id: check-need-valgrind
        run: |
          git fetch https://github.com/Akuli/jou main
          # Find modified non-markdown files. If there are any, set doit=yes.
          if git diff --name-only FETCH_HEAD HEAD | grep -vE '\.md$'; then
            echo doit=yes >> $GITHUB_OUTPUT
          else
            echo doit=no >> $GITHUB_OUTPUT
          fi
      - if: ${{ steps.check-need-valgrind.outputs.doit == 'yes' }}
        run: ./runtests.sh --verbose --valgrind --jou-flags "${{ matrix.opt-level }}"
      # valgrind+verbose isn't meaningful: test script would ignore valgrind output
      - run: make clean
      - name: Check that "make clean" deleted all files not committed to Git
        run: |
          if [ "$(git status --porcelain --ignored)" != "" ]; then
            git status --ignored
            exit 1
          fi

  doctest:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        llvm-version: [11, 13]
    steps:
      - uses: actions/checkout@v3
      - run: sudo apt install -y llvm-${{ matrix.llvm-version }}-dev clang-${{ matrix.llvm-version }} make
      - run: LLVM_CONFIG=llvm-config-${{ matrix.llvm-version }} make
      - run: ./doctest.sh

  compare-compilers:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: sudo apt install -y llvm-13-dev clang-13 make valgrind
      - run: LLVM_CONFIG=llvm-config-13 make
      - run: ./compare_compilers.sh

  editorconfig-checker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      # Hard-coded commit, because the latest changes aren't tagged.
      - uses: editorconfig-checker/action-editorconfig-checker@d4fca16fc71adef10fbe101903b654449fa9570c
        with:
          version: 2.7.0
      - run: editorconfig-checker