03a_publish_nuget_pkg.yaml

name: "3a – Publish Package to NuGet"

# Trigger the action on push to main
on:
  push:
    branches:
      - "main"
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

concurrency: ${{ github.workflow }}-${{ github.ref }}

env:
  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
  DOTNET_NOLOGO: true
  NuGetDirectory: ${{ github.workspace }}/nuget

jobs:
  build-and-publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Get all history for automatic versioning

      - name: Setup .NET
        uses: actions/setup-dotnet@v4

      - name: Restore dependencies
        run: dotnet restore

      - name: Build
        run: dotnet build --configuration Release --no-restore

      - name: Test
        run: dotnet test --no-restore --verbosity normal

      - name: Get latest version from NuGet
        id: nuget_version
        run: |
          $latestVersion = (Invoke-WebRequest -Uri "https://api.nuget.org/v3-flatcontainer/styra.opa.aspnetcore/index.json" | ConvertFrom-Json).versions[-1]
          echo "LATEST_VERSION=$latestVersion" >> $env:GITHUB_OUTPUT
        shell: pwsh

      - name: Get current version
        id: current_version
        run: |
          $currentVersion = (Select-Xml -Path src/Styra.Opa.AspNetCore/Styra.Opa.AspNetCore.csproj -XPath "//PackageVersion").Node.InnerText
          echo "CURRENT_VERSION=$currentVersion" >> $env:GITHUB_OUTPUT
        shell: pwsh

      - name: Pack
        run: dotnet pack --configuration Release --output ${{ env.NuGetDirectory }} --no-build

      - name: Publish NuGet package
        if: steps.nuget_version.outputs.LATEST_VERSION != steps.current_version.outputs.CURRENT_VERSION
        run: |
          foreach($file in (Get-ChildItem "${{ env.NuGetDirectory }}" -Filter *.nupkg)) {
            dotnet nuget push $file --api-key "${{ secrets.NUGET_API_KEY }}" --source https://api.nuget.org/v3/index.json --skip-duplicate
          }
        shell: pwsh