release.yml

# This workflow will build a golang project
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

name: Release build

on:
  push:
    tags:
      - 'v*'

jobs:
  Testing:
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        arch: [amd64, arm64]
        exclude:
          - os: windows-latest
            arch: arm64
    runs-on: ${{ matrix.os }}

    steps:
      - name: CheckOut
        uses: actions/checkout@v6

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: '>=1.22.0'

      - name: Run tests with race detector
        shell: bash
        run: |
          go test -race -timeout 5m ./...

  Build:
    runs-on: ${{ matrix.os }}
    needs: Testing
    strategy:
      matrix:
        include:
          - os: ubuntu-latest,   GOOS: linux,   GOARCH: amd64
          - os: ubuntu-latest,   GOOS: linux,   GOARCH: arm64
          - os: windows-latest,  GOOS: windows, GOARCH: amd64
          - os: macos-latest,    GOOS: darwin,  GOARCH: amd64
          - os: macos-latest,    GOOS: darwin,  GOARCH: arm64

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: '>=1.22.0'

      - name: Get latest tag
        run: |
          echo "LATEST_TAG=$(git tag | grep -v '^latest$' | sort -V | tail -n1)" >> $GITHUB_ENV

      - name: Build binary
        shell: bash
        run: |
          go build -ldflags="-X main.Version=${{ env.LATEST_TAG }}" -o ctl_device_${{ matrix.GOOS }}_${{ matrix.GOARCH }} ./cmd/ctl_device

      - name: Upload binary to artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ctl_device_${{ matrix.GOOS }}_${{ matrix.GOARCH }}
          path: ctl_device_${{ matrix.GOOS }}_${{ matrix.GOARCH }}

  Release:
    runs-on: ubuntu-latest
    needs: [Testing, Build]
    outputs:
      UPLOAD_URL: ${{ steps.stepCreateRelease.outputs.upload_url }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: ./artifacts

      - name: Get latest tag
        run: |
          echo "LATEST_TAG=$(git tag | grep -v '^latest$' | sort -V | tail -n1)" >> $GITHUB_ENV

      - name: Bump version and push tag
        id: tag-version
        uses: mathieudutour/github-tag-action@v6.2
        with:
          tag_prefix: ""
          custom_tag: ${{ env.LATEST_TAG }}
          github_token: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate SHA256 checksums
        run: |
          cd ./artifacts
          for f in ctl_device_*; do
            sha256sum "$f" > "${f}.sha256"
          done
          cd ..

      - name: Step GitHub release
        id: stepCreateRelease
        uses: ncipollo/release-action@v1
        with:
          skipIfReleaseExists: 'true'
          tag: ${{ env.LATEST_TAG }}
          name: ${{ env.LATEST_TAG }}
          artifacts: ./artifacts/*

  RemoveOldRelease:
    runs-on: ubuntu-latest
    needs: Release
    steps:
      - name: CheckOut
        uses: actions/checkout@v6

      - name: Set APP_VERSION env
        run: |
          APP_VERSION=$(echo ${GITHUB_REF} | rev | cut -d'/' -f 1 | rev ) \

          function get_pre_del_tag {
              local v_str=$1
              baseStr=$(echo $v_str | cut -d'.' -f1)
              base=${baseStr//v/}
              major=$(echo $v_str | cut -d'.' -f2)
              minor=$(echo $v_str | cut -d'.' -f3)

              if ((minor>0)); then
                  minor=$((minor-1))
              else
                  minor=999
                  if ((major>0)); then
                      major=$((major-1))
                  else
                      major=999
                      if ((base>0)); then
                          base=$((base-1))
                      else
                          echo "Error: Version cannot be decremented."
                          exit 1
                      fi
                  fi
              fi

              pre_v_no="v${base}.${major}.${minor}"
              echo $pre_v_no
          }

          APP_OLD_VERSION=$(get_pre_del_tag $(get_pre_del_tag $APP_VERSION))

          echo "Old version to remove: ${APP_OLD_VERSION}"
          echo APP_OLD_VERSION=${APP_OLD_VERSION} >> ${GITHUB_ENV}

      - name: Remove Old Release
        run: |
          gh release delete ${{ env.APP_OLD_VERSION }} -y
          git push origin --delete ${{ env.APP_OLD_VERSION }}
        env:
          GH_TOKEN: ${{ github.token }}