build-nuget.yml

name: Package NuGet

on:
    push:
        tags:
            - '*'
    workflow_dispatch:
        inputs:
            nugetPackageVersion:
                description: "NuGet package version"
                required: true
            shouldCreateTag:
                description: "Create a git tag + Release?"
                required: true
                type: boolean
                default: true

permissions:
    contents: write # "write" needed for the "Tag a release" step.

jobs:
    compile-sdl2cs:
        name: Build SDL2-CS
        uses: ./.github/workflows/build-sdl2cs.yml

    compile-natives:
        name: Build native dependencies
        uses: ./.github/workflows/build-natives.yml

    package-nuget:
        name: Package NuGet
        runs-on: ubuntu-22.04
        needs: [compile-sdl2cs, compile-natives]
        steps:
            - name: Clone repository
              uses: actions/checkout@v4

            - name: Prepare environment variables
              run: |
                if [ "${{ github.event_name }}" = "push" ]; then
                    echo "PACKAGE_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
                    echo "SHOULD_TAG_RELEASE=true" >> $GITHUB_ENV
                else
                    echo "PACKAGE_VERSION=${{ github.event.inputs.nugetPackageVersion }}" >> $GITHUB_ENV
                    echo "SHOULD_TAG_RELEASE=${{ github.event.inputs.shouldCreateTag }}" >> $GITHUB_ENV
                fi

            - name: Download artifacts - SDL2-CS.dll
              uses: actions/download-artifact@v4
              with:
                name: SDL2-CS
                path: ./bin

            - name: Download artifacts - native - Windows
              uses: actions/download-artifact@v4
              with:
                name: Natives-Windows
                path: ./native/win

            - name: Download artifacts - native - MacOS
              uses: actions/download-artifact@v4
              with:
                name: Natives-MacOS
                path: ./native/osx

            - name: Download artifacts - native - Linux (x64)
              uses: actions/download-artifact@v4
              with:
                name: Natives-Linux(x64)
                path: ./native/linux

            - name: Download artifacts - native - Linux (arm64)
              uses: actions/download-artifact@v4
              with:
                name: Natives-Linux(arm64)
                path: ./native/linux

            - name: Setup NuGet.exe
              uses: NuGet/setup-nuget@v1

            - name: Package NuGet
              run: |
                nuget pack OpenRA-SDL2-CS.nuspec -OutputDirectory ./nuget -version ${{ env.PACKAGE_VERSION }}

            - name: Upload NuGet package to Artifacts
              uses: actions/upload-artifact@v4
              with:
                name: NuGet Package ${{ env.PACKAGE_VERSION }}
                path: ./nuget

            - name: Tag a release
              if: ${{ env.SHOULD_TAG_RELEASE == 'true' }}
              uses: svenstaro/upload-release-action@v2
              with:
                repo_token: ${{ secrets.GITHUB_TOKEN }}
                tag: ${{ env.PACKAGE_VERSION }}
                overwrite: true
                file_glob: true
                file: ./nuget/*.nupkg

            - name: Publish package to NuGet
              if: ${{ env.SHOULD_TAG_RELEASE == 'true' }}
              run: |
                nuget push ./nuget/*.nupkg -Source https://api.nuget.org/v3/index.json -ApiKey ${{ secrets.NUGET_KEY }}