lua-validate.yml

name: Validate Lua Files

on:
  push:
    branches-ignore:
      - dev

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history so git diff works

      - name: Get changed Lua files
        id: changed
        run: |
          git fetch origin dev:refs/remotes/origin/dev
          CHANGED=$(git diff --name-only origin/dev...${{ github.sha }} | grep '^src/.*\.lua$' || true)
          echo "Changed Lua files: $CHANGED"
          {
            echo "changed<<EOF"
            echo "$CHANGED"
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: Restore extension tester from cache
        uses: actions/cache@v4
        with:
          path: extension-tester.jar
          key: ${{ runner.os }}-extension-tester-v2

      - name: Download extension tester if missing
        run: |
          if [ ! -f extension-tester.jar ]; then
            wget -O extension-tester.jar "https://cdn.shosetsu.app/extension-tester/v2.0.0/extension-tester.jar"
          fi

      - name: Check version bump in changed Lua files
        if: steps.changed.outputs.changed != ''
        run: |
          set -e
          files=(${{ steps.changed.outputs.changed }})
          for file in "${files[@]}"; do
            if [ ! -f "$file" ]; then continue; fi
            # Get header lines from current and dev branch
            old_header=$(git show origin/dev:"$file" 2>/dev/null | head -n 1)
            new_header=$(head -n 1 "$file")
            # Extract version numbers
            old_ver=$(echo "$old_header" | grep -o '"ver": *"[^"]*"' | sed 's/.*"ver": *"\([^"]*\)".*/\1/')
            new_ver=$(echo "$new_header" | grep -o '"ver": *"[^"]*"' | sed 's/.*"ver": *"\([^"]*\)".*/\1/')
            if [ -n "$old_ver" ] && [ -n "$new_ver" ]; then
              if [ "$old_ver" = "$new_ver" ]; then
                echo "::error file=$file::Version number ('ver') not incremented in $file"
                exit 1
              fi
            fi
          done

      - name: Generate index.json
        run: |
          java -jar extension-tester.jar --ci --generate-index

      - name: Run extension tester on changed Lua files
        if: steps.changed.outputs.changed != ''
        run: |
          set -e
          for file in ${{ steps.changed.outputs.changed }}; do
            # Only test files matching src/<lang>/<ExtensionName>.lua
            if [[ "$file" =~ ^src/[^/]+/[^/]+\.lua$ ]]; then
              lang=$(echo "$file" | cut -d'/' -f2)
              echo "Testing $file"
              java -jar extension-tester.jar "$file"
            else
              echo "Skipping $file (not lua extension)"
            fi
          done