build.yml

name: Build

on:
  push:
    branches: [ master ]
  pull_request: 

env:
  # Disable the .NET logo in the console output.
  DOTNET_NOLOGO: true
  # Disable the .NET first time experience to skip caching NuGet packages and speed up the build.
  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
  # Disable sending .NET CLI telemetry to Microsoft.
  DOTNET_CLI_TELEMETRY_OPTOUT: true

  BUILD_ARTIFACT_PATH: ${{github.workspace}}/build-artifacts

jobs:

  version:
    name: Identify build version
    runs-on: ubuntu-latest
    outputs:
      BuildVersion: ${{steps.configureBuildVersion.outputs.BUILD_VERSION}}
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Fetch all Git tags
      run: git fetch --prune --unshallow --tags
    - name: Configure build version
      id: configureBuildVersion
      run: |
        $githubRunId = $env:GITHUB_RUN_ID;
        $prNumber = $env:PR_NUMBER;
        $gitSourceVersion = git describe --tags --abbrev=7 --always 2>$1;
        $gitSourceVersionSplit = [regex]::split($gitSourceVersion, "-(?=\d+-\w+)");
        $version = $(if($gitSourceVersionSplit.length -eq 1){"0.0.0"}else{$gitSourceVersionSplit[0]});
        $commitsSinceTag = '0';
        $commitHash = $gitSourceVersionSplit[0];
        if ($gitSourceVersionSplit.length -eq 2) {
            $gitMetadata = $gitSourceVersionSplit[1].split("-");
            $commitsSinceTag = $gitMetadata[0];
            $commitHash = $gitMetadata[1];
        }
        $buildMetadata = "$($commitHash)-$($githubRunId)";
        $customSuffix = $(if($prNumber -ne ''){"-PR$($prNumber)"}elseif($commitsSinceTag -ne '0'){"-dev"});
        echo "::set-output name=BUILD_VERSION::$($version)$($customSuffix)+$($buildMetadata)";
      shell: pwsh
      env:
        PR_NUMBER: ${{github.event.number}}
    - name: Print build version
      run: echo ${{steps.configureBuildVersion.outputs.BUILD_VERSION}}


  build:
    name: Build application
    runs-on: ${{matrix.os}}
    needs: version
    env:
      BUILD_VERSION: ${{needs.version.outputs.BuildVersion}}
    strategy:
      matrix:
        runtimeIdentifier: [win-x64, linux-x64, linux-arm64]
        include:
          - runtimeIdentifier: win-x64
            os: windows-latest
            
          - runtimeIdentifier: linux-x64
            os: ubuntu-latest
            
          - runtimeIdentifier: linux-arm64
            os: ubuntu-latest

    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Install dependencies
      run: dotnet --version && dotnet nuget list source && dotnet restore --verbosity normal

    - name: Self-contained build
      run: dotnet publish -c Release /p:Version=${{env.BUILD_VERSION}} --output ${{env.BUILD_ARTIFACT_PATH}} -r ${{matrix.runtimeIdentifier}} -p:PublishSingleFile=true --self-contained true

    - name: Publish artifacts
      uses: actions/upload-artifact@v2
      with:
        name: ${{matrix.runtimeIdentifier}}
        path: ${{env.BUILD_ARTIFACT_PATH}}