main.yml

name: Build

on: [push, pull_request, workflow_dispatch]

jobs:
  ci:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ windows-latest, ubuntu-latest ]
        build-configuration: [ Debug, Release ]
    outputs:
      latest-version: ${{ steps.semantic_version.outputs.version_num }}
    environment: ci
    env:
      SOLUTION_PATH: MailKit.sln
      BUILD_PLATFORM: Any CPU
      BUILD_CONFIGURATION: ${{ matrix.build-configuration }}
      GENERATE_CODE_COVERAGE: ${{ matrix.os == 'windows-latest' && matrix.build-configuration == 'Debug' }}
      MONO_RUNTIME: ${{ matrix.os != 'windows-latest' }}
      PUBLISH: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && matrix.os == 'windows-latest' && matrix.build-configuration == 'Release' }}

    steps:
      - name: Setup/Install the .NET 8 SDK
        id: install-netsdk
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 8.0.x

      - if: runner.os == 'Windows'
        name: Setup MSBuild
        id: setup_msbuild
        uses: microsoft/setup-msbuild@v2

      - name: Checkout repository
        id: checkout_repo
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          submodules: recursive
          fetch-depth: 0

      - name: Get semantic version from csproj
        id: semantic_version
        shell: pwsh
        run: |
          $xml = [xml](gc MailKit/MailKit.csproj)
          $SEMANTIC_VERSION_NUMBER = $xml.Project.PropertyGroup.VersionPrefix
          $VERSION_NUM = $SEMANTIC_VERSION_NUMBER[0].Trim()
          Write-Host "version_num=${VERSION_NUM}"
          [IO.File]::AppendAllText($env:GITHUB_OUTPUT, "version_num=${VERSION_NUM}$([Environment]::NewLine)")

      - if: ${{ env.PUBLISH == 'true' }}
        name: Get latest tag
        id: get_latest_tag
        shell: pwsh
        run: |
          $LATEST_TAG = git -c 'versionsort.suffix=-' ls-remote --exit-code --refs --sort='version:refname' --tags "https://github.com/$env:GIT_URL.git" '*.*.*' | tail --lines=1 | cut --delimiter='/' --fields=3
          Write-Host "tag=$LATEST_TAG"
          [IO.File]::AppendAllText($env:GITHUB_OUTPUT, "tag=${LATEST_TAG}$([Environment]::NewLine)")
        env:
          GIT_URL: ${{ github.repository }}

      - if: ${{ env.PUBLISH == 'true' && steps.semantic_version.outputs.version_num != steps.get_latest_tag.outputs.tag }}
        name: Add new tag to repo
        id: add_new_tag_to_repo
        continue-on-error: true
        shell: pwsh
        run: |
          git config --global user.name $env:GIT_USER_NAME
          git config --global user.email $env:GIT_USER_EMAIL
          git tag -a -m "Tagged for $env:NEW_VERSION_NUM" $env:NEW_VERSION_NUM
          git push --follow-tags
        env:
          GIT_USER_NAME: ${{ github.event.head_commit.author.username }}
          GIT_USER_EMAIL: ${{ github.event.head_commit.author.email }}
          NEW_VERSION_NUM: ${{ steps.semantic_version.outputs.version_num }}

      - name: Run .NET restore
        shell: pwsh
        run: |
          dotnet restore $env:SOLUTION_PATH

      - name: Run .NET tool restore
        shell: pwsh
        run: |
          dotnet tool restore

      - name: Build solution
        id: build_solution
        continue-on-error: true
        shell: pwsh
        run: |
          dotnet msbuild $env:SOLUTION_PATH -property:Platform=$env:BUILD_PLATFORM -property:Configuration=$env:BUILD_CONFIGURATION -property:MonoRuntime=$env:MONO_RUNTIME

      - name: Run unit tests
        id: run_unit_tests
        continue-on-error: true
        shell: pwsh
        run: |
          & ./scripts/test.ps1 -Configuration:$env:BUILD_CONFIGURATION -GenerateCodeCoverage:$env:GENERATE_CODE_COVERAGE

      - name: Upload unit test results
        id: upload_test_results
        continue-on-error: true
        uses: actions/upload-artifact@v4
        with:
          name: MailKit.${{ steps.semantic_version.outputs.version_num }}.${{ github.run_number }}-${{ matrix.os }}-${{ matrix.build-configuration }}-TestResults.xml
          path: TestResult.xml

      - if: ${{ env.GENERATE_CODE_COVERAGE == 'yes' }}
        name: Upload code coverage data to coveralls.io
        id: upload_to_coveralls
        shell: pwsh
        run: |
          & ./scripts/coveralls.ps1
        env:
          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
          GIT_COMMIT_SHA: ${{ github.sha }}
          GIT_REF: ${{ github.ref }}
          GIT_ACTOR: ${{ github.event.head_commit.author.username }}
          GIT_ACTOR_EMAIL: ${{ github.event.head_commit.author.email }}
          GIT_COMMIT_MESSAGE: ${{ github.event.head_commit.message }}
          COVERALLS_JOB_ID: ${{ steps.semantic_version.outputs.version_num }}.${{ github.run_number }}

      - if: ${{ env.PUBLISH == 'true' }}
        name: Create NuGet package
        id: create_nuget_package
        shell: pwsh
        run: |
          nuget pack nuget/MailKit.nuspec -Version "$env:LATEST_VERSION.$env:GITHUB_RUN_NUMBER"
        env:
          LATEST_VERSION: ${{ steps.semantic_version.outputs.version_num }}

      - if: ${{ env.PUBLISH == 'true' }}
        name: Push NuGet package to MyGet
        id: push_nuget_package
        shell: pwsh
        run: |
          nuget push $env:NUGET_PKG_PATH -ApiKey $env:MYGET_API_KEY -Source https://www.myget.org/F/mimekit/api/v3/index.json
        env:
          NUGET_PKG_PATH: MailKit.${{ steps.semantic_version.outputs.version_num }}.${{ github.run_number }}.nupkg
          MYGET_API_KEY: ${{ secrets.MYGET_API_KEY }}

      - if: ${{ env.PUBLISH == 'true' }}
        name: Upload NuGet package as artifact
        id: upload_nuget_package
        uses: actions/upload-artifact@v4
        with:
          name: MailKit.${{ steps.semantic_version.outputs.version_num }}.${{ github.run_number }}.nupkg
          path: MailKit.${{ steps.semantic_version.outputs.version_num }}.${{ github.run_number }}.nupkg

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