name: Build / Release

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:
    inputs:
      tag:
        description: "Version tag to create"
        required: false

env:
  CARGO_TERM_COLOR: always

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
            target
          key: ${{ runner.os }}-rust-cargo-${{ hashFiles('**/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
      - uses: actions/upload-artifact@v2
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: ruby.dbscheme
          path: ql/src/ruby.dbscheme
      - uses: actions/upload-artifact@v2
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: TreeSitter.qll
          path: ql/src/codeql_ruby/ast/internal/TreeSitter.qll
      - uses: actions/upload-artifact@v2
        with:
          name: extractor-${{ matrix.os }}
          path: |
            target/release/ruby-extractor
            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=$(gh release list --repo https://github.com/github/codeql-cli-binaries | cut -f 1 | sort --version-sort | tail -1)
          gh release download --repo https://github.com/github/codeql-cli-binaries --pattern codeql-linux64.zip "$LATEST"
          unzip -q codeql-linux64.zip
        env:
          GITHUB_TOKEN: ${{ github.token }}
      - name: Build Query Pack
        run: |
          codeql/codeql pack create ql/src --output target/packs
          PACK_FOLDER=$(readlink -f target/packs/github/codeql-ruby/*)
          (cd ql/src; find queries \( -name '*.qhelp' -o -name '*.rb' -o -name '*.erb' \) -exec cp "{}" "${PACK_FOLDER}/{}" \;)
      - name: Compile with previous CodeQL versions
        run: |
          for version in  $(gh release list --repo https://github.com/github/codeql-cli-binaries | cut -f 1 | sort --version-sort | tail -3 | head -2); do
            rm -f codeql-linux64.zip
            gh release download --repo https://github.com/github/codeql-cli-binaries --pattern codeql-linux64.zip "$version"
            rm -rf codeql; unzip -q codeql-linux64.zip
            codeql/codeql query compile target/packs/*
          done
        env:
          GITHUB_TOKEN: ${{ github.token }}
      - uses: actions/upload-artifact@v2
        with:
          name: codeql-ruby-queries
          path: |
            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
      - uses: actions/download-artifact@v2
        with:
          name: extractor-ubuntu-latest
          path: linux64
      - uses: actions/download-artifact@v2
        with:
          name: extractor-windows-latest
          path: win64
      - uses: actions/download-artifact@v2
        with:
          name: extractor-macos-latest
          path: osx64
      - run: |
          mkdir -p ruby
          cp -r codeql-extractor.yml tools ql/src/ruby.dbscheme.stats ruby/
          mkdir -p ruby/tools/{linux64,osx64,win64}
          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}/extractor
          zip -rq codeql-ruby.zip ruby
      - uses: actions/upload-artifact@v2
        with:
          name: codeql-ruby-pack
          path: codeql-ruby.zip
          retention-days: 1
      - uses: actions/download-artifact@v2
        with:
          name: codeql-ruby-queries
          path: 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: codeql-ruby-bundle.zip
          retention-days: 1
      - if: ${{ github.event.inputs.tag }}
        run: |
          gh release create --prerelease \
             --title "CodeQL Ruby (${{ github.event.inputs.tag }})" \
             --target "${{ github.sha }}" \
             "${{ github.event.inputs.tag }}" \
             codeql-ruby-bundle.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}