name: build

on:
  pull_request:
    types: [opened, synchronize]
  push:
    branches: [main]

jobs:
  tests:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository and submodules
        uses: actions/checkout@v2
        with:
          token:  ${{ secrets.DECO_GITHUB_TOKEN }}
          submodules: recursive

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go
        uses: actions/setup-go@v1
        with:
          go-version: 1.18.x

      - name: Cache packages
        uses: actions/cache@v2
        with:
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
            /opt/hostedtoolcache/go
            vendor
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Set go env
        run: |
          echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
          go get gotest.tools/gotestsum
          go install honnef.co/go/tools/cmd/staticcheck@latest

      - name: Pull external libraries
        run: make vendor

      - name: Run tests
        run: make test