ci.yaml

# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Format reference: https://docs.github.com/en/actions/reference

name: Compiler CI

# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#on
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
  schedule:
    # Daily at 12pm UTC
    - cron: '0 12 * * *'

permissions:
  contents: read

env:
  VERSION_NODEJS: '16.16.0'
  UNSYMLINK_DIR: bazel-bin-unsymlink

# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobs
jobs:
  build-and-test:
    name: Build and Test
    runs-on: ubuntu-latest
    steps:
      - name: Setup Java
        # https://github.com/marketplace/actions/setup-java-jdk
        uses: actions/setup-java@v4
        with:
          distribution: zulu
          java-version: '11'
          java-package: jdk
          architecture: x64

        # Clone closure-compiler repo from the commit under test into current directory.
      - name: Checkout Current closure-compiler Commit
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v4

      # https://github.com/bazelbuild/setup-bazelisk
      - uses: bazelbuild/setup-bazelisk@v2

      - name: Build and Test
        run: bazelisk test //:all

      - name: Unsymlink Bazel Artifacts
        # upload-artifact doesn't support paths with symlinks
        run: |
          mkdir -p ${{ env.UNSYMLINK_DIR }}
          cp -t ${{ env.UNSYMLINK_DIR }} bazel-bin/compiler_uberjar_deploy.jar
          cp -t ${{ env.UNSYMLINK_DIR }} bazel-bin/*_bundle.jar

        # Share the following files with other jobs in this workflow. They can be grabbed using ID
        # `unshaded_compiler`. This is made possible by uploading the files to GitHub controlled
        # storage.
      - name: Share Unshaded Compiler
        # https://github.com/marketplace/actions/upload-a-build-artifact
        uses: actions/upload-artifact@v4
        with:
          name: unshaded_compiler
          path: ${{ env.UNSYMLINK_DIR }}/compiler_uberjar_deploy.jar
          if-no-files-found: error

        # If this build will be uploadaded as a SNAPSHOT, share the Sonatype bundles with the other
        # jobs in this workflow. They can be grabbed using ID `snapshot_bundles`. This is made
        # possible by uploading the files to GitHub controlled storage.
      - name: Share Snapshot Bundles
        # https://github.com/marketplace/actions/upload-a-build-artifact
        if: ${{ github.event_name == 'schedule' }}
        uses: actions/upload-artifact@v4
        with:
          name: snapshot_bundles
          path: ${{ env.UNSYMLINK_DIR }}/*_bundle.jar
          if-no-files-found: error

  test-closure-compiler-npm:
    name: Make Sure closure-compiler-npm is Compatible with this Compiler Build
    runs-on: ubuntu-latest
    needs:
      - build-and-test
    steps:
      - name: Setup Node.js
        # https://github.com/marketplace/actions/setup-node-js-environment
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.VERSION_NODEJS }}

        # Clone closure-compiler-npm repo from master into the current directory.
      - name: Checkout Current closure-compiler-npm Commit
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v4
        with:
          repository: google/closure-compiler-npm
          ref: master

        # Clone closure-compiler repo from the commit under test into the npm repo compiler
        # submodule
      - name: Checkout Current closure-compiler Commit
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v4
        with:
          path: compiler

        # Grab the compiler binary that was shared from `build-and-test` and put the file into
        # ./compiler/bazel-bin.
      - name: Grab Unshaded Compiler
        # https://github.com/marketplace/actions/download-a-build-artifact
        uses: actions/download-artifact@v4
        with:
          name: unshaded_compiler
          # Put the binary where bazel would have put it.
          path: compiler/bazel-bin

      - name: Test closure-compiler-npm
        run: compiler/.github/ci_support/test_closure-compiler-npm.sh compiler/bazel-bin/compiler_uberjar_deploy.jar

  deploy-snapshots:
    name: Deploy Snapshot Bundles to Sonatype
    runs-on: ubuntu-latest
    # Disable daily snapshot deployments. This will be later replaced with lower cadence releases.
    if: false
    needs:
      - build-and-test
      - test-closure-compiler-npm
    steps:
        # This also installs Maven, which is being used to do the SNAPSHOT deployment.
        # TODO(nickreid): Delete this if we can find/write an upload tool other than Maven.
      - name: Setup Java
        # https://github.com/marketplace/actions/setup-java-jdk
        uses: actions/setup-java@v4
        with:
          distribution: zulu
          java-version: '11'
          java-package: jdk
          architecture: x64

        # Clone closure-compiler repo from the commit under test into current directory.
      - name: Checkout Current closure-compiler Commit
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.VERSION_NODEJS }}

        # Grab the SNAPSHOT bundles shared from `build-and-test` and put the file into ./bazel-bin.
      - name: Grab Snapshot Bundles
        uses: actions/download-artifact@v4
        with:
          name: snapshot_bundles
          # Make it seem like files were generated by bazel
          path: bazel-bin

        # Upload the build from this commit to Sonatype for users who want to depend on the
        # compiler at head. SNAPSHOTs are transient unversioned builds stored in a seperate
        # artifact repo than versioned releases. This system is a purely Maven concept.
      - name: Deploy Snapshot Bundles to Sonatype
        run: .github/ci_support/deploy_sonatype_snapshot_bundles.js
        env:
          SONATYPE_USERNAME: closure-compiler
          SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}