GitHub Actions Go Cache

workflow.yml

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-go@v4
        with:
          go-version-file: go.mod
          cache: false

      - name: Set cache paths
        id: go-cache-paths
        run: |
          echo "go-build=$(go env GOCACHE)" >> $GITHUB_OUTPUT
          echo "go-mod=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT

      - name: Go Build Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-build }}
          key: go-build-${{ runner.os }}-${{ github.sha }}
          restore-keys: go-build-${{ runner.os }}-

      - name: Go Mod Cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.go-cache-paths.outputs.go-mod }}
          key: go-mod-${{ hashFiles('**/go.sum') }}
          restore-keys: go-mod-

      - name: Download dependencies
        run: go mod download