feat: unify Windows and Linux Coder Desktop in a single repo

.editorconfig

@@ -5,7 +5,10 @@ tab_width = 4
 trim_trailing_whitespace = true
 insert_final_newline = true
 charset = utf-8
-end_of_line = crlf
+# end_of_line is intentionally not set: the repository history contains a mix
+# of LF and CRLF files, and newer dotnet format releases treat this rule as a
+# hard error, turning every diff into whitespace churn. Match the existing
+# line endings of the file you are editing.
 
 resharper_csharp_brace_style = next_line
 resharper_csharp_braces_for_foreach = not_required

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ on:
 jobs:
   fmt:
     runs-on: windows-latest
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4
       - name: Setup dotnet
@@ -23,11 +23,11 @@ jobs:
       - name: dotnet restore
         run: dotnet restore --locked-mode /p:BuildWithNetFrameworkHostedCompiler=true
       - name: dotnet format
-        run: dotnet format --verify-no-changes --no-restore
+        run: dotnet format Coder.Desktop.sln --verify-no-changes --no-restore
 
-  test:
+  test-windows:
     runs-on: windows-latest
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4
       - name: Setup dotnet
@@ -44,16 +44,45 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@v4
         with:
-          name: test-results
+          name: test-results-windows
           retention-days: 1
           path: |
             ./**/bin
             ./**/obj
             ./**/TestResults
 
-  build:
+  test-linux:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+          cache: true
+          cache-dependency-path: '**/packages.lock.json'
+      - name: dotnet restore
+        run: dotnet restore Coder.Desktop.Linux.slnf --locked-mode
+      - name: dotnet build
+        run: dotnet build Coder.Desktop.Linux.slnf -c Release --no-restore
+      - name: dotnet test
+        run: |
+          dotnet test Tests.CoderSdk/Tests.CoderSdk.csproj -c Release --no-build -f net8.0
+          dotnet test Tests.Vpn.Proto/Tests.Vpn.Proto.csproj -c Release --no-build
+          dotnet test Tests.Vpn/Tests.Vpn.csproj -c Release --no-build -f net8.0
+          dotnet test Tests.Vpn.Service/Tests.Vpn.Service.csproj -c Release --no-build -f net8.0
+      - name: Upload TestResults
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results-linux
+          retention-days: 1
+          path: ./**/TestResults
+
+  build-windows:
     runs-on: windows-latest
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4
       - name: Setup dotnet
@@ -68,11 +97,34 @@ jobs:
       # projects we care about building. Doing a full publish includes test
       # libraries and stuff which is pointless.
       - name: dotnet publish Coder.Desktop.Vpn.Service
-        run: dotnet publish .\Vpn.Service\Vpn.Service.csproj --configuration Release --output .\publish\Vpn.Service
+        run: dotnet publish .\Vpn.Service\Vpn.Service.csproj --configuration Release -f net8.0-windows --output .\publish\Vpn.Service
       - name: dotnet publish Coder.Desktop.App
         run: dotnet publish .\App\App.csproj --configuration Release --output .\publish\App
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
           name: publish
           path: .\publish\
+
+  build-linux:
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+          cache: true
+          cache-dependency-path: '**/packages.lock.json'
+      - name: dotnet restore
+        run: dotnet restore Coder.Desktop.Linux.slnf --locked-mode
+      - name: dotnet publish Coder.Desktop.Vpn.Service
+        run: dotnet publish Vpn.Service/Vpn.Service.csproj --configuration Release -f net8.0 --output ./publish/Vpn.Service
+      - name: dotnet publish Coder.Desktop.App.Avalonia
+        run: dotnet publish App.Avalonia/App.Avalonia.csproj --configuration Release --output ./publish/App.Avalonia
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: publish-linux
+          path: ./publish/

.github/workflows/release-linux.yaml

@@ -0,0 +1,114 @@
+name: release-linux
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Release version (e.g. 1.2.3)'
+        required: true
+
+permissions:
+  contents: write
+
+jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.resolve_version.outputs.version }}
+    steps:
+      - name: Resolve version
+        id: resolve_version
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
+            version="${{ inputs.version }}"
+          else
+            version="${GITHUB_REF_NAME#v}"
+          fi
+
+          if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+([.-][0-9A-Za-z]+)*$ ]]; then
+            echo "Invalid version: $version" >&2
+            exit 1
+          fi
+
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+
+  package:
+    runs-on: ubuntu-latest
+    needs: prepare
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [amd64, arm64]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Install packaging dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y ruby ruby-dev build-essential rpm dpkg-dev
+          sudo gem install --no-document fpm
+
+      - name: Build release packages
+        env:
+          VERSION: ${{ needs.prepare.outputs.version }}
+          OUT_DIR: ${{ github.workspace }}/dist
+        run: |
+          chmod +x Packaging.Linux/*.sh
+          ./Packaging.Linux/build-release-packages.sh "${{ matrix.arch }}"
+
+      - name: Upload package artifacts (${{ matrix.arch }})
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-packages-${{ matrix.arch }}
+          path: dist/*
+
+  aur-source:
+    runs-on: ubuntu-latest
+    needs: prepare
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build AUR source archive
+        env:
+          VERSION: ${{ needs.prepare.outputs.version }}
+          OUT_DIR: ${{ github.workspace }}/dist
+        run: |
+          chmod +x Packaging.Linux/*.sh
+          ./Packaging.Linux/build-aur-source.sh
+
+      - name: Upload AUR source artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux-packages-aur
+          path: dist/*
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [prepare, package, aur-source]
+    if: startsWith(github.ref, 'refs/tags/')
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: linux-packages-*
+          path: release-assets
+          merge-multiple: true
+
+      - name: Publish GitHub release
+        uses: softprops/action-gh-release@v2
+        with:
+          name: v${{ needs.prepare.outputs.version }}
+          generate_release_notes: true
+          files: |
+            release-assets/*

App.Avalonia/App.Avalonia.csproj

@@ -0,0 +1,42 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Coder.Desktop.App</RootNamespace>
+    <AssemblyName>Coder Desktop</AssemblyName>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <RestorePackagesWithLockFile>true</RestorePackagesWithLockFile>
+    <LangVersion>preview</LangVersion>
+    <!-- AVP1002: DependencyObjectSelector intentionally registers generic AvaloniaProperty owners. -->
+    <NoWarn>$(NoWarn);AVP1002</NoWarn>
+    <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="11.2.3" />
+    <PackageReference Include="Avalonia.Desktop" Version="11.2.3" />
+    <PackageReference Include="Svg.Skia" Version="2.0.0.6" />
+    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.3" />
+    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.3" />
+    <PackageReference Include="Avalonia.Diagnostics" Version="11.2.3" Condition="'$(Configuration)' == 'Debug'" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.9" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.9" />
+    <PackageReference Include="Serilog.Extensions.Hosting" Version="9.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\App.Linux\App.Linux.csproj" />
+    <ProjectReference Include="..\Vpn.Linux\Vpn.Linux.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\App.Shared\App.Shared.csproj" Aliases="global,AppShared" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <AvaloniaResource Include="Assets\\**" />
+  </ItemGroup>
+</Project>

App.Avalonia/App.axaml

@@ -0,0 +1,41 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:converters="clr-namespace:Coder.Desktop.App.Converters"
+             x:Class="Coder.Desktop.App.App"
+             RequestedThemeVariant="Default">
+
+    <!--
+        Note: pages are implemented in parallel tasks (T5/T6). We register
+        converters here so future pages can reference them via StaticResource.
+    -->
+    <Application.Resources>
+        <converters:InverseBoolConverter x:Key="InverseBoolConverter" />
+        <converters:BoolToObjectConverter x:Key="BoolToObjectConverter" />
+        <converters:FriendlyByteConverter x:Key="FriendlyByteConverter" />
+        <converters:VpnLifecycleToBoolConverter x:Key="VpnLifecycleToBoolConverter" />
+        <converters:StringToBrushSelector x:Key="StringToBrushSelector" />
+        <converters:StringToStringSelector x:Key="StringToStringSelector" />
+    </Application.Resources>
+
+    <Application.Styles>
+        <FluentTheme />
+    </Application.Styles>
+
+    <TrayIcon.Icons>
+        <TrayIcons>
+            <TrayIcon Icon="/Assets/coder.ico"
+                      ToolTipText="Coder Desktop"
+                      Command="{Binding ShowWindowCommand}">
+                <TrayIcon.Menu>
+                    <NativeMenu>
+                        <NativeMenuItem Header="Show" Command="{Binding ShowWindowCommand}" />
+                        <NativeMenuItemSeparator />
+                        <NativeMenuItem Header="Check for Updates" />
+                        <NativeMenuItemSeparator />
+                        <NativeMenuItem Header="Exit" Command="{Binding ExitCommand}" />
+                    </NativeMenu>
+                </TrayIcon.Menu>
+            </TrayIcon>
+        </TrayIcons>
+    </TrayIcon.Icons>
+</Application>