build.yml

name: Build for multiple SDK versions

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
        dotnet-version: ["", "8.0.x", "9.0.x"]
        # these entries will mesh with the above combinations
        include:
          # just use what's in the repo
          - global-json-file: "global.json"
            dotnet-version: ""
            label: "repo global.json"
            build_net9: false
            globaljson-command: "dotnet new globaljson --sdk-version 8.0.400"
          # latest 8.0 stable
          - global-json-file: "global.json"
            dotnet-version: "8.0.x"
            label: "8.0 stable"
            build_net9: false
            globaljson-command: "dotnet new globaljson --sdk-version 8.0.0 --roll-forward latestMinor"
          # latest 9.0 stable
          - global-json-file: "global.json"
            dotnet-version: "9.0.x"
            label: "9.0 stable"
            build_net9: true
            globaljson-command: "dotnet new globaljson --sdk-version 9.0.0 --roll-forward latestMinor"
      fail-fast: false # we have timing issues on some OS, so we want them all to run
    runs-on: ${{ matrix.os }}
    timeout-minutes: 15

    name: Build on ${{matrix.os}} for ${{ matrix.label }}

    steps:
      - uses: actions/checkout@v3

      # setup .NET per the repo global.json
      - name: Setup .NET
        uses: actions/setup-dotnet@v4

      # setup .NET per test session
      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          global-json-file: ${{ matrix.global-json-file }}
          dotnet-version: ${{ matrix.dotnet-version }}

      # remove global.json, create new one to protect against CI machine installed defaults. Then the env configuration takes precedence
      - name: Purge global.json
        run: |
          rm global.json
          ${{ matrix.globaljson-command }}

      # let's make sure we're on the version we think we are.
      - name: Announce .NET version
        run: dotnet --info

      - name: Restore tools
        run: dotnet tool restore

      - name: Run build and test
        run: dotnet run --project build
        env:
          BuildNet9: ${{ matrix.build_net9 }}

      - name: Archive test results
        uses: actions/upload-artifact@v3

        with:
          name: test-results
          path: test/**/TestResults/*.trx