.github/workflows/test-unit-tip.yml

name: Unit (tip)

on:
  push:
    branches:
      - "*"
  pull_request:
    branches:
      - "*"

env:
  GITHUB_ACTIONS: true

jobs:
  test:
    name: "go-HEAD @ ubuntu-latest"
    runs-on: ubuntu-latest
    steps:
      # https://github.com/actions/setup-go/issues/21#issuecomment-565741980
      - name: Install Go HEAD
        run: |
          export GOROOT_BOOTSTRAP=`go env GOROOT`
          export GOROOT_FINAL=/go
          export GOROOT=$HOME/gotip
          mkdir $HOME/gotip
          cd $HOME/gotip

          curl -s 'https://go.googlesource.com/go/+/refs/heads/master?format=JSON' | awk '/"commit"/{print substr($2,2,40);exit}' >HEAD
          awk '{printf("gotip-%s",substr($0,0,7))}' <HEAD >VERSION

          curl -s -o go.tar.gz https://go.googlesource.com/go/+archive/`cat HEAD`.tar.gz
          tar xfz go.tar.gz

          cd src
          bash make.bash
          echo "GOROOT=$GOROOT" >> $GITHUB_ENV
          echo "$GOROOT/bin" >> $GITHUB_PATH
      - uses: actions/checkout@v3
        with: { fetch-depth: 1 }
      - run: go version
      - run: make test-unit race=true