ci.yaml

name: CI
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go: [ '1.17', '1.20', '1.21', '1.22' ]
    name: Go ${{ matrix.go }}
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-go@v4
      with:
        go-version: ${{ matrix.go }}

    - name: Cache redis server binary restore
      id: cache-redis-server-binary-restore
      uses: actions/cache/restore@v4
      with:
        path: integration/redis_src/redis-server
        key: "redis-server-binary-${{ hashFiles('integration/get_redis.sh') }}"

    - name: Prevent redis binary rebuild
      if: steps.cache-redis-server-binary-restore.outputs.cache-hit
      run: "touch -m integration/redis_src/redis-server"
      # Make uses modification timestamp to decide if redis-server needs to be rebuilt.
      # In github actions get_redis.sh has modification time set when cloned but redis-server binary has modification
      # time when it was cached (always older than clone). By updating timestamp we avoid unnecessary build.
      # Cache key includes get_redis.sh file hash so there is no risk of using stale binary.

    - name: Test
      run: make ci

    - name: Cache redis server binary save
      if: steps.cache-redis-server-binary-restore.outputs.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: integration/redis_src/redis-server
        key: ${{ steps.cache-redis-server-binary-restore.outputs.cache-primary-key }}