ci-cpp-build.yml

name: "build"

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      BAZEL: bazelisk-linux-amd64
    steps:
    - uses: actions/checkout@v2
    - name: Compute hour of the day.
      id: hour
      run: echo "::set-output name=number::$(date +%H)"
    - name: Mount bazel cache
      uses: actions/cache@v2
      with:
        # See https://docs.bazel.build/versions/master/output_directories.html
        path: "~/.cache/bazel"
        # Create a new cache entry whenever Bazel files change.
        # See https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows
        key: bazel-${{ runner.os }}-build-${{ hashFiles('**/*.bzl', '**/*.bazel') }}
        restore-keys: |
          bazel-${{ runner.os }}-build-
    - name: Install bazelisk
      run: |
        curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.17.0/$BAZEL"
        chmod +x $BAZEL
        sudo mv $BAZEL /usr/local/bin/bazel
    - name: Build
      run: bazel build //...