nuget.yml

name: Publish .NET Package to NuGet

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup .NET SDK
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '9.0'

      - name: Get the version from the .csproj file
        id: get_version
        run: |
          VERSION=$(cat SimpleViewModel/SimpleViewModel.csproj | grep -oPm1 "(?<=<Version>)[^<]+")
          echo "VERSION=$VERSION" >> $GITHUB_ENV

      - name: Get the latest published version from NuGet
        id: get_latest_version
        run: |
          LATEST_VERSION=$(curl -s "https://api.nuget.org/v3-flatcontainer/simpleviewmodel/index.json" | jq -r '.versions[-1]')
          echo "LATEST_VERSION=$LATEST_VERSION" >> $GITHUB_ENV

      - name: Compare versions
        id: version_check
        run: |
          if [ "$VERSION" != "$LATEST_VERSION" ]; then
            echo "New version detected: $VERSION"
            echo "run_publish=true" >> $GITHUB_ENV
          else
            echo "No new version detected"
            echo "run_publish=false" >> $GITHUB_ENV
          fi
            

      - name: Restore dependencies
        run: dotnet restore

      - name: Build the project and source generator
        run: |
          dotnet build SimpleViewModel/SimpleViewModel.csproj --configuration Release --no-restore
          dotnet build ViewModelGenerator/ViewModelGenerator.csproj --configuration Release --no-restore

      - name: Pack the NuGet package
        run: |
          dotnet pack SimpleViewModel/SimpleViewModel.csproj --configuration Release --no-build --output ./nupkg
          mkdir -p ./nupkg/analyzers/dotnet/cs/
          if [ -f ViewModelGenerator/bin/Release/netstandard2.0/ViewModelGenerator.dll ]; then
          echo "Source Generator DLL found, copying..."
          cp ViewModelGenerator/bin/Release/netstandard2.0/ViewModelGenerator.dll ./nupkg/analyzers/dotnet/cs/
          else
            echo "Source Generator DLL not found! Exiting."
            exit 1
          fi
            ls ./nupkg/analyzers/dotnet/cs/

      - name: Unzip the NuGet package for inspection
        run: |
          mkdir -p ./package-inspection
          unzip ./nupkg/*.nupkg -d ./package-inspection/
          ls -R ./package-inspection
          if [ -f ./package-inspection/analyzers/dotnet/cs/ViewModelGenerator.dll ]; then
            echo "Source Generator DLL is correctly packed!"
          else
            echo "Source Generator DLL is missing from the package!" && exit 1
          fi

      - name: Publish to NuGet
        if: env.run_publish == 'true'
        run: dotnet nuget push ./nupkg/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json
        continue-on-error: true