name: "Ruby: Build"

on:
  push:
    paths:
      - "ruby/**"
      - .github/workflows/ruby-build.yml
    branches:
      - main
      - "rc/*"
  pull_request:
    paths:
      - "ruby/**"
      - .github/workflows/ruby-build.yml
    branches:
      - main
      - "rc/*"
  workflow_dispatch:
    inputs:
      tag:
        description: "Version tag to create"
        required: false

env:
  CARGO_TERM_COLOR: always

defaults:
  run:
    working-directory: ruby

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v2
      - name: Install GNU tar
        if: runner.os == 'macOS'
        run: |
          brew install gnu-tar
          echo "/usr/local/opt/gnu-tar/libexec/gnubin" >> $GITHUB_PATH
      - uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            ruby/target
          key: ${{ runner.os }}-ruby-rust-cargo-${{ hashFiles('ruby/rust-toolchain.toml', 'ruby/**/Cargo.lock') }}
      - name: Check formatting
        run: cargo fmt --all -- --check
      - name: Build
        run: cargo build --verbose
      - name: Run tests
        run: cargo test --verbose
      - name: Release build
        run: cargo build --release
      - name: Generate dbscheme
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: target/release/ruby-generator --dbscheme ql/lib/ruby.dbscheme --library ql/lib/codeql/ruby/ast/internal/TreeSitter.qll
      - uses: actions/upload-artifact@v2
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: ruby.dbscheme
          path: ruby/ql/lib/ruby.dbscheme
      - uses: actions/upload-artifact@v2
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: TreeSitter.qll
          path: ruby/ql/lib/codeql/ruby/ast/internal/TreeSitter.qll
      - uses: actions/upload-artifact@v2
        with:
          name: extractor-${{ matrix.os }}
          path: |
            ruby/target/release/ruby-autobuilder
            ruby/target/release/ruby-autobuilder.exe
            ruby/target/release/ruby-extractor
            ruby/target/release/ruby-extractor.exe
          retention-days: 1
  compile-queries:
    runs-on: ubuntu-latest
    env:
      CODEQL_THREADS: 4 # TODO: remove this once it's set by the CLI
    steps:
      - uses: actions/checkout@v2
      - name: Fetch CodeQL
        run: |
          LATEST=$(gh release list --repo https://github.com/github/codeql-cli-binaries | cut -f 1 | grep -v beta | sort --version-sort | tail -1)
          gh release download --repo https://github.com/github/codeql-cli-binaries --pattern codeql-linux64.zip "$LATEST"
          unzip -q codeql-linux64.zip
        env:
          GITHUB_TOKEN: ${{ github.token }}
      - name: Build Query Pack
        run: |
          codeql/codeql pack create ql/lib --output target/packs
          codeql/codeql pack install ql/src
          codeql/codeql pack create ql/src --output target/packs
          PACK_FOLDER=$(readlink -f target/packs/codeql/ruby-queries/*)
          codeql/codeql generate query-help --format=sarifv2.1.0 --output="${PACK_FOLDER}/rules.sarif" ql/src
          (cd ql/src; find queries \( -name '*.qhelp' -o -name '*.rb' -o -name '*.erb' \) -exec bash -c 'mkdir -p "'"${PACK_FOLDER}"'/$(dirname "{}")"' \; -exec cp "{}" "${PACK_FOLDER}/{}" \;)
      - uses: actions/upload-artifact@v2
        with:
          name: codeql-ruby-queries
          path: |
            ruby/target/packs/*
          retention-days: 1

  package:
    runs-on: ubuntu-latest
    needs: [build, compile-queries]
    steps:
      - uses: actions/checkout@v2
      - uses: actions/download-artifact@v2
        with:
          name: ruby.dbscheme
          path: ruby/ruby
      - uses: actions/download-artifact@v2
        with:
          name: extractor-ubuntu-latest
          path: ruby/linux64
      - uses: actions/download-artifact@v2
        with:
          name: extractor-windows-latest
          path: ruby/win64
      - uses: actions/download-artifact@v2
        with:
          name: extractor-macos-latest
          path: ruby/osx64
      - run: |
          mkdir -p ruby
          cp -r codeql-extractor.yml tools ql/lib/ruby.dbscheme.stats ruby/
          mkdir -p ruby/tools/{linux64,osx64,win64}
          cp linux64/ruby-autobuilder ruby/tools/linux64/autobuilder
          cp osx64/ruby-autobuilder ruby/tools/osx64/autobuilder
          cp win64/ruby-autobuilder.exe ruby/tools/win64/autobuilder.exe
          cp linux64/ruby-extractor ruby/tools/linux64/extractor
          cp osx64/ruby-extractor ruby/tools/osx64/extractor
          cp win64/ruby-extractor.exe ruby/tools/win64/extractor.exe
          chmod +x ruby/tools/{linux64,osx64}/{autobuilder,extractor}
          zip -rq codeql-ruby.zip ruby
      - uses: actions/upload-artifact@v2
        with:
          name: codeql-ruby-pack
          path: ruby/codeql-ruby.zip
          retention-days: 1
      - uses: actions/download-artifact@v2
        with:
          name: codeql-ruby-queries
          path: ruby/qlpacks
      - run: |
          echo '{
            "provide": [
            "ruby/codeql-extractor.yml",
            "qlpacks/*/*/*/qlpack.yml"
            ]
          }' > .codeqlmanifest.json
          zip -rq codeql-ruby-bundle.zip .codeqlmanifest.json ruby qlpacks
      - uses: actions/upload-artifact@v2
        with:
          name: codeql-ruby-bundle
          path: ruby/codeql-ruby-bundle.zip
          retention-days: 1

  test:
    defaults:
      run:
        working-directory: ${{ github.workspace }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

    runs-on: ${{ matrix.os }}
    needs: [package]
    steps:
      - uses: actions/checkout@v2
        with:
          repository: Shopify/example-ruby-app
          ref: 67a0decc5eb550f3a9228eda53925c3afd40dfe9
      - name: Fetch CodeQL
        shell: bash
        run: |
          LATEST=$(gh release list --repo https://github.com/github/codeql-cli-binaries | cut -f 1 | grep -v beta | sort --version-sort | tail -1)
          gh release download --repo https://github.com/github/codeql-cli-binaries --pattern codeql.zip "$LATEST"
          unzip -q codeql.zip
        env:
          GITHUB_TOKEN: ${{ github.token }}
        working-directory: ${{ runner.temp }}
      - name: Download Ruby bundle
        uses: actions/download-artifact@v2
        with:
          name: codeql-ruby-bundle
          path: ${{ runner.temp }}
      - name: Unzip Ruby bundle
        shell: bash
        run: unzip -q -d "${{ runner.temp }}/ruby-bundle" "${{ runner.temp }}/codeql-ruby-bundle.zip"
      - name: Prepare test files
        shell: bash
        run: |
          echo "import ruby select count(File f)" > "test.ql"
          echo "| 4 |" > "test.expected"
          echo 'name: sample-tests
          version: 0.0.0
          dependencies:
            codeql/ruby-all: 0.0.1
          extractor: ruby
          tests: .
          ' > qlpack.yml
      - name: Run QL test
        shell: bash
        run: |
          "${{ runner.temp }}/codeql/codeql" test run --search-path "${{ runner.temp }}/ruby-bundle" --additional-packs "${{ runner.temp }}/ruby-bundle" .
      - name: Create database
        shell: bash
        run: |
          "${{ runner.temp }}/codeql/codeql" database create --search-path "${{ runner.temp }}/ruby-bundle" --language ruby --source-root . ../database
      - name: Analyze database
        shell: bash
        run: |
          "${{ runner.temp }}/codeql/codeql" database analyze --search-path "${{ runner.temp }}/ruby-bundle" --format=sarifv2.1.0 --output=out.sarif ../database ruby-code-scanning.qls