lint.yml

name: lint

on:
  push:
  pull_request:
  workflow_dispatch:

concurrency:
  group: ${{ github.ref }}
  cancel-in-progress: true

jobs:
  luacheck:
    # We want to run on external PRs, but not on our own internal
    # PRs as they'll be run by the push to the branch.
    #
    # The main trick is described here:
    # https://github.com/Dart-Code/Dart-Code/pull/2375
    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: recursive

      - name: Install deps
        run: |
          sudo apt-get -y -f install lua5.1 luarocks
          sudo luarocks install luacheck 0.26.1
      - name: Luacheck
        run: luacheck --codes --config .luacheckrc .

  checkpatch:
    if: github.event_name == 'pull_request'

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Install deps
        uses: actions/checkout@v2
        with:
          repository: tarantool/checkpatch
          path: 'checkpatch'

      - name: Check patch
        run: |
          checkpatch/checkpatch.pl --color=always --show-types \
            --ignore NO_CHANGELOG \
            --git HEAD~${{ github.event.pull_request.commits }}..HEAD