syntax-checks.yml

---
name: Validate syntax

'on':
  - push
  - pull_request

permissions: {}

jobs:
  json-syntax:
    name: JSON
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Validate syntax for JSON files
        run: |
          error=0
          readarray -d '' json_files < \
            <(find . \( -path ./.git -or -path ./DATA/testing/private \) -prune -false -or -type f -name '*.json' -print0)
          for jsonf in "${json_files[@]}"; do
            echo "::debug::Checking $jsonf..."
            if ! errmsg=$(jq . "$jsonf" 2>&1 >/dev/null); then
              error=1
              echo "Invalid JSON syntax found in $jsonf:" >&2
              printf '::error file=%s,title=%s::%s\n' "$jsonf" 'Invalid JSON syntax' "$errmsg"
            fi
          done
          exit "$error"

  bash-syntax:
    name: Bash
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Validate syntax with bash -n
        run: |
          error=0
          readarray -d '' files < \
            <(find . -path ./.git -prune -false -or -type f -name '*.sh' -print0)
          for bashf in "${files[@]}"; do
            echo "::debug::Checking $bashf..."
            if ! errmsg=$(bash -n "$bashf" 2>&1 >/dev/null); then
              error=1
              echo "Invalid Bash syntax found in $bashf:" >&2
              printf '::error file=%s,title=%s::%s\n' "$bashf" 'Invalid syntax' "$errmsg"
            fi
          done
          exit "$error"

  shellcheck:
    name: Shellcheck
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run Shellcheck to find errors
        run: |
          error=0
          find . -path ./.git -prune -false -or -type f -name '*.sh' -print0 |
            xargs -0 shellcheck -xf json1 -S error -s bash > errors.json || error=$?
          # Produce code annotations in GitHub's format.
          jq -r '.comments[] | "Error found in \(.file) line \(.line):\n::error file=\(.file),line=\(.line),endLine=\(.endLine),col=\(.column),endColumn=\(.endColumn)::\(.message)"' errors.json
          exit "$error"

  config-check:
    name: Config-check
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run .ini configs check
        run: |
          error=0
          readarray -d '' files < \
            <(find . -path ./.git -prune -false -or -type f -name '*.ini' -print0)
          for cfg in "${files[@]}"; do
            if grep -q "O2DPG_ROOT" "$cfg"; then
              error=1
              echo "Deprecated O2DPG_ROOT detected in $cfg, replace with O2DPG_MC_CONFIG_ROOT" >&2
            fi
          done
          exit "$error"

      - name: Run .C configs check
        run: |
          error=0
          readarray -d '' files < \
            <(find . -path ./.git -prune -false -or -type f -name '*.C' -print0)
          for cfg in "${files[@]}"; do
            if grep -q "\$O2DPG_ROOT" "$cfg" || grep -q "\${O2DPG_ROOT}" "$cfg"; then
              error=1
              echo "Deprecated O2DPG_ROOT detected in $cfg, replace with O2DPG_MC_CONFIG_ROOT" >&2
            fi
          done
          exit "$error"   

  pylint:
    name: Pylint
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install prerequisites
        run: |
          sudo apt update -y
          sudo apt install -y pylint

      - name: Run Pylint to find errors
        run: |
          error=0
          find . -path ./.git -prune -false -or -type f -name '*.py' -print0 |
            # "import-errors" are shown for valid modules like ROOT, so ignore them.
            xargs -0 pylint -E -f json --disable import-error > errors.json || error=$?
            # Produce code annotations in GitHub's format.
          jq -r '.[] | "Error found in \(.path) line \(.line):\n::error file=\(.path),line=\(.line),endLine=\(.endLine),col=\(.column),endColumn=\(.endColumn),title=Pylint \(.type) \(.symbol)::\(.message)"' errors.json
          exit "$error"