Refactor CI to use Matrix Strategy (#322)

.github/workflows/ci-matrix.yml

@@ -0,0 +1,99 @@
+name: CI
+
+on:
+  push:
+    branches:
+    - main
+    - release/*
+  pull_request:
+    branches:
+    - main
+    - release/*
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: 1
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1
+  DOTNET_NOLOGO: 1
+  UNITY_HASH: '887be4894c44'
+  UNITY_FULL_VERSION: '2022.3.22f1'
+
+jobs:
+  compute:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      deployments: read
+      packages: none
+      pull-requests: write
+      security-events: write
+    outputs:
+      UNITY_HASH: ${{ env.UNITY_HASH }}
+      UNITY_FULL_VERSION: ${{ env.UNITY_FULL_VERSION }}
+    steps:
+      - name: Compute outputs
+        run: |
+          echo "UNITY_HASH=${{ env.UNITY_HASH }}" >> $GITHUB_OUTPUT
+          echo "UNITY_FULL_VERSION=${{ env.UNITY_FULL_VERSION }}" >> $GITHUB_OUTPUT
+
+  ci:
+    strategy:
+      matrix: 
+        include:
+          - os: ubuntu
+            download: curl -o ./Unity.tar.xz -k https://download.unity3d.com/download_unity/${{ needs.compute.outputs.UNITY_HASH }}/LinuxEditorInstaller/Unity.tar.xz
+            install: mkdir -p ~/Unity && tar -xf Unity.tar.xz -C ~/Unity
+          - os: macos
+            download: curl -o ./unity.pkg -k https://download.unity3d.com/download_unity/${{ needs.compute.outputs.UNITY_HASH }}/MacEditorInstaller/Unity.pkg
+            install: sudo installer -package unity.pkg -target /
+          - os: windows
+            download: cmd /c bitsadmin /TRANSFER unity /DOWNLOAD /PRIORITY foreground "https://download.unity3d.com/download_unity/${{ needs.compute.outputs.UNITY_HASH }}/Windows64EditorInstaller/UnitySetup64-${{ needs.compute.outputs.UNITY_FULL_VERSION }}.exe" "%CD%\unitysetup.exe"
+            install: cmd /c unitysetup.exe /UI=reduced /S /D=%ProgramFiles%\Unity
+    name: CI-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}-latest
+    needs: compute
+    permissions:
+      actions: read
+      contents: read
+      deployments: read
+      packages: none
+      pull-requests: write
+      security-events: write
+
+    steps:
+    - name: Checkout 
+      uses: actions/checkout@v4
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.x'
+
+    - name: Download Unity on ${{ matrix.os }}
+      run: ${{ matrix.download }}
+
+    - name: Install Unity on ${{ matrix.os }}
+      run: ${{ matrix.install }}
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v3
+
+    - name: Build
+      run: dotnet build -c Debug ./src/Microsoft.Unity.Analyzers.sln /p:UseSharedCompilation=false
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v3
+
+    - name: Test context (main)
+      if: github.ref == 'refs/heads/main'
+      run: echo "TEST_FILTER=." >> $GITHUB_ENV
+      shell: bash
+
+    - name: Test context (feature)    
+      if: github.ref != 'refs/heads/main'
+      run: echo "TEST_FILTER=FullyQualifiedName!~ConsistencyTests" >> $GITHUB_ENV
+      shell: bash
+
+    - name: Test
+      run: dotnet test -c Debug ./src/Microsoft.Unity.Analyzers.Tests --filter ${{env.TEST_FILTER}}
+      shell: bash

README.md

@@ -1,8 +1,6 @@
 # Analyzers for Unity
 
-[![Build status on Windows](https://github.com/microsoft/Microsoft.Unity.Analyzers/workflows/CI-Windows/badge.svg)](https://github.com/microsoft/Microsoft.Unity.Analyzers/actions?query=workflow%3ACI-Windows)
-[![Build status on macOS](https://github.com/microsoft/Microsoft.Unity.Analyzers/workflows/CI-macOS/badge.svg)](https://github.com/microsoft/Microsoft.Unity.Analyzers/actions?query=workflow%3ACI-macOS)
-[![Build status on Linux](https://github.com/microsoft/Microsoft.Unity.Analyzers/workflows/CI-Linux/badge.svg)](https://github.com/microsoft/Microsoft.Unity.Analyzers/actions?query=workflow%3ACI-Linux)
+[![Build status](https://github.com/microsoft/Microsoft.Unity.Analyzers/workflows/CI/badge.svg)](https://github.com/microsoft/Microsoft.Unity.Analyzers/actions?query=workflow%3ACI)
 [![NuGet](https://img.shields.io/nuget/v/Microsoft.Unity.Analyzers.svg)](https://nuget.org/packages/Microsoft.Unity.Analyzers)
 
 This project provides Visual Studio with a better understanding of Unity projects by adding Unity-specific diagnostics or by removing general C# diagnostics that do not apply to Unity projects.