lua.yml

---
#
# .github/workflows/lua.yml
#
name: Lua Workflow
on:  # yamllint disable-line rule:truthy
  pull_request:

defaults:
  run:
    shell: bash

jobs:
  stage1:
    name: Change Check
    runs-on: 'ubuntu-latest'
    outputs:
      docs_changed: ${{ steps.check_file_changed.outputs.docs_changed }}
    steps:
      - name: Checkout Repo
        id: checkout-repo
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          ref: ${{ github.ref }}
          submodules: recursive
      - name: Get Change List
        id: check_file_changed
        run: |
          # Diff HEAD with the previous commit then output to stdout.
          printf "=== Which files changed? ===\n"
          GIT_DIFF="$(git diff --name-only HEAD^ HEAD)"
          printf "%s\n" "${GIT_DIFF}"
          printf "\n"

          # Check if the files are present in the changed file list (added, modified, deleted) then output to stdout.
          HAS_DIFF=false
          printf "=== Which Lua files changed? ===\n"
          if printf "%s\n" "${GIT_DIFF}" | grep -E '^(lua/.*[.]lua|.github/workflows/lua.yml)$'; then
            HAS_DIFF=true
          fi
          printf "\n"

          # Did Golang files change?
          printf "=== Did Golang files change? ===\n"
          printf "%s\n" "${HAS_DIFF}"
          printf "\n"

          # Set the output named "docs_changed"
          printf "%s=%s\n" "docs_changed" "${HAS_DIFF}" >> "${GITHUB_OUTPUT}"
  stage2:
    name: Lua Checks
    strategy:
      matrix:
        luaVersion: ["5.4"]
        os: ["ubuntu-latest"]
    runs-on: "${{ matrix.os }}"
    needs: [stage1]
    if: needs.stage1.outputs.docs_changed == 'True'
    steps:
      - name: Checkout Repo
        id: checkout-repo
        uses: actions/checkout@v3
      - name: Set up Lua
        id: setup-lua
        uses: leafo/gh-actions-lua@v9
        with:
          luaVersion: ${{ matrix.luaVersion }}
      - name: Show Lua Versions
        id: lua-version
        run: |
          which lua
          lua -v
          ls .lua/bin
      - name: Setup Lua-Rocks
        id: setup-lua-rocks
        uses: leafo/gh-actions-luarocks@v4
      - name: Show Lua-Rocks Versions
        id: luarocks-version
        run: |
          which luarocks
          luarocks --version
          ls .luarocks/bin
      - name: Install Lua Tools
        id: install-lua-tools
        run: |
          luarocks install luacheck
          luarocks install busted
          luarocks install luacov
          luarocks install luacov-console
      - name: Show Lua Tool Versions
        id: lua-tool-versions
        run: |
          luacheck -v
          busted --version
          luacov -h | head -n 1
          luacov-console --version
      - name: CD to Lua Dir
        id: cd-to-lua-dir
        run: |
          pwd
          ls
          cd ./lua
          pwd
          ls
      - name: Analysing the code with lua-check
        id: lua-lint
        run: |
          cd ./lua
          ./for_each luacheck . --exclude-files '*_spec.lua'
      - name: Testing with Lua test
        id: lua-test-run
        run: |
          cd ./lua
          ./for_each rm -fv luacov.report.out luacov.report.out.index luacov.stats.out
          ./for_each busted --coverage --lpath="" --cpath="" --output=gtest -Xoutput --color
      - name: Coverage Report
        id: lua-coverage-report
        run: |-
          cd ./lua
          ./for_each luacov .
          ./for_each luacov-console .
          ./for_each luacov-console --summary .
          git status .