name: Build & Test

# Run when something is pushed to main or when there's action on a pull request.
on:
  push:
    branches:
      - main
  pull_request:

# Cancel running workflow if a pull request is modified. Note that head_ref is
# undefined for pushes to main. Use run_id as fallback. This is unique for each
# run, so runs for pushes to main are never cancelled.
concurrency: 
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  Build-And-Test-Linux:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Initialize submodules
        run: git submodule update --init --recursive

      - name: Create timestamp
        run: |
          printf -v date '%(%Y-%m)T' -1
          echo "date=$date" >> $GITHUB_ENV

      - name: Restore build cache
        uses: actions/cache@v3
        with:
          path: bazel-cache
          key: ${{ runner.os }}-bazel-cache-fastbuild-${{ env.date }}

      - name: Build (fastbuild)
        run: bazel build --config=linux --disk_cache=bazel-cache -- //... -//third_party/...

      # Skip file_finder_test: The test works when file_finder_test is run
      # directly, but not through bazel test. The reason is, bazel test
      # creates symlinks of test files, but the finder ignores symlinks.
      # Also run tests sequentially since some tests write to a common tmp dir.
      - name: Test (fastbuild)
        run: bazel test --config=linux --disk_cache=bazel-cache --test_output=errors --local_test_jobs=1 -- //... -//third_party/... -//cdc_rsync_server:file_finder_test

  Build-And-Test-Windows:
    runs-on: windows-2019
    steps:
      - uses: actions/checkout@v3

      - name: Initialize submodules
        run: git submodule update --init --recursive

      - name: Create timestamp
        run: |
          $date = Get-Date -Format "yyyy-MM"
          echo "date=$date" >> $env:GITHUB_ENV

      - name: Restore build cache
        uses: actions/cache@v3
        with:
          path: bazel-cache
          key: ${{ runner.os }}-bazel-cache-fastbuild-${{ env.date }}

      - name: Build (fastbuild)
        run: bazel build --config=windows --disk_cache=bazel-cache //cdc_rsync //cdc_stream //tests_common //tests_cdc_stream //tests_cdc_rsync

      - name: Test (fastbuild)
        run: |
          bazel-bin\tests_common\tests_common.exe
          bazel-bin\tests_cdc_stream\tests_cdc_stream.exe
          bazel-bin\tests_cdc_rsync\tests_cdc_rsync.exe
          bazel test --config=windows --disk_cache=bazel-cache --test_output=errors --local_test_jobs=1 `
            //cdc_fuse_fs/... `
            //cdc_rsync/... `
            //cdc_rsync/base/... `
            //cdc_rsync_server/... `
            //cdc_stream/... `
            //common/... `
            //data_store/... `
            //fastcdc/... `
            //manifest/... `
            //metrics/...