release.yml

name: Build and Release Binaries

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        include:
          - os: ubuntu-latest
            GOOS: linux
            GOARCH: amd64
          - os: windows-latest
            GOOS: windows
            GOARCH: amd64
          - os: macos-latest
            GOOS: darwin
            GOARCH: amd64

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Set up Go
      uses: actions/setup-go@v2
      with:
        go-version: '1.17'

    - name: Build binary
      run: |
        mkdir -p dist
        GOOS=${{ matrix.GOOS }} GOARCH=${{ matrix.GOARCH }} go build -o dist/myapp-${{ matrix.GOOS }}-${{ matrix.GOARCH }}

    - name: Upload binary
      uses: actions/upload-artifact@v2
      with:
        name: myapp-${{ matrix.GOOS }}-${{ matrix.GOARCH }}
        path: dist/myapp-${{ matrix.GOOS }}-${{ matrix.GOARCH }}

  release:
    needs: build
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Set up Git
      run: |
        git config --global user.name 'github-actions'
        git config --global user.email 'github-actions@github.com'

    - name: Calculate next version
      id: vars
      run: |
        # Get the latest tag
        latest_tag=$(git describe --tags `git rev-list --tags --max-count=1`)
        echo "Latest tag: $latest_tag"

        # Extract the version number and increment it
        if [[ -z "$latest_tag" ]]; then
          next_version="v0.1"
        else
          next_version=$(echo $latest_tag | awk -F. '{$NF = $NF + 1;} 1' | sed 's/ /./g')
        fi

        echo "Next version: $next_version"
        echo "version=$next_version" >> $GITHUB_ENV

    - name: Create Release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ env.version }}
        release_name: Release ${{ env.version }}
        draft: false
        prerelease: false

    - name: Download binaries
      uses: actions/download-artifact@v2
      with:
        name: myapp-linux-amd64
        path: dist/

    - name: Upload Linux binary to release
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: dist/myapp-linux-amd64
        asset_name: myapp-linux-amd64
        asset_content_type: application/octet-stream

    - name: Download binaries
      uses: actions/download-artifact@v2
      with:
        name: myapp-windows-amd64
        path: dist/

    - name: Upload Windows binary to release
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: dist/myapp-windows-amd64
        asset_name: myapp-windows-amd64
        asset_content_type: application/octet-stream

    - name: Download binaries
      uses: actions/download-artifact@v2
      with:
        name: myapp-darwin-amd64
        path: dist/

    - name: Upload macOS binary to release
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.create_release.outputs.upload_url }}
        asset_path: dist/myapp-darwin-amd64
        asset_name: myapp-darwin-amd64
        asset_content_type: application/octet-stream