release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      upx_version:
        description: 'UPX version'
        required: true
        default: '3.96'

jobs:
  release:
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    strategy:
      matrix:
        go: ["1.17.x"]
        os: [ubuntu-latest]
    name: Go ${{ matrix.go }} in ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go }}
      - name: Environment
        run: |
          go version
          go env
      # So GoReleaser can generate the changelog properly
      - name: Unshallowify the repo clone
        run: git fetch --prune --unshallow
        
      - name: Check git tag exist
        run: |
          git fetch --depth=1 origin +refs/tags/*:refs/tags/*
          gitTagExists=$(git tag --points-at HEAD)
          if ! [ -n "$gitTagExists" ]; then
              echo "no tag, create one."
              latesttag=$(git describe --tags `git rev-list --tags --max-count=1`)
              echo "latest tag: ${latesttag}"
              newtag=$(echo ${latesttag} | awk -F. -v OFS=. 'NF==1{print ++$NF}; NF>1{if(length($NF+1)>length($NF))$(NF-1)++; $NF=sprintf("%0*d", length($NF), ($NF+1)%(10^length($NF))); print}')
              echo "new tag: ${newtag}"
              git tag $newtag
          fi
      
      - name: Installing upx
        env:
          UPX_VERSION: ${{ github.event.inputs.upx_version }}
        run: |
          echo "Installing upx .."
          curl -OL "https://github.com/upx/upx/releases/download/v${UPX_VERSION}/upx-${UPX_VERSION}-amd64_linux.tar.xz"
          tar xvf "upx-${UPX_VERSION}-amd64_linux.tar.xz"
          cp "upx-${UPX_VERSION}-amd64_linux/upx" "$(go env GOPATH)/bin"
          upx --version
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v2
        with:
          version: latest
          args: release --rm-dist --skip-validate --skip-sign --debug
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}