feat(cli): derive version from build

Author: woutervanranst

src/Arius.Cli/Arius.Cli.csproj

@@ -8,6 +8,22 @@
     <UserSecretsId>2c53e63e-555d-44f4-a474-29c01fb8c564</UserSecretsId>
     <AssemblyName>arius</AssemblyName>
   </PropertyGroup>
+
+  <!--
+    Version information
+    When running in GitHub Actions we want the version number to reflect the run
+    that produced the build. The GITHUB_RUN_NUMBER variable is provided by the
+    Actions environment and increases with every run of the workflow. When this
+    variable is not available (e.g. when building locally) we fall back to a
+    descriptive "local" suffix.
+  -->
+  <PropertyGroup Condition="'$(GITHUB_RUN_NUMBER)' != ''">
+    <!-- Use the run number as the patch version so the CLI prints e.g. v1.0.123 -->
+    <Version>1.0.$(GITHUB_RUN_NUMBER)</Version>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(GITHUB_RUN_NUMBER)' == ''">
+    <Version>1.0.0-local</Version>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="CliFx" />
     <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" />

src/Arius.Cli/Program.cs

@@ -4,6 +4,7 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Serilog;
+using System.Reflection;
 
 namespace Arius.Cli;
 
@@ -51,23 +52,36 @@ public static CliApplicationBuilder CreateBuilder()
     {
         var isRunningInContainer = Environment.GetEnvironmentVariable("DOTNET_RUNNING_IN_CONTAINER") == "true";
 
-        // Command discovery
-        //return new CliApplicationBuilder().AddCommandsFromThisAssembly();
+        var builder = new CliApplicationBuilder()
+            .SetTitle("arius")
+            .SetExecutableName("arius")
+            .SetVersion($"v{GetVersion()}");
 
         if (isRunningInContainer)
         {
-            return new CliApplicationBuilder()
-                .AddCommands([
-                    typeof(ArchiveDockerCliCommand), 
-                    typeof(RestoreDockerCliCommand)]);
+            builder.AddCommands([
+                typeof(ArchiveDockerCliCommand),
+                typeof(RestoreDockerCliCommand)]);
         }
         else
         {
-            return new CliApplicationBuilder()
-                .AddCommands([
-                    typeof(ArchiveCliCommand),
-                    typeof(RestoreCliCommand)]);
+            builder.AddCommands([
+                typeof(ArchiveCliCommand),
+                typeof(RestoreCliCommand)]);
         }
+
+        return builder;
+    }
+
+    private static string GetVersion()
+    {
+        // Prefer informational version so that suffixes like "local" are preserved
+        var informational = typeof(Program).Assembly
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+        if (!string.IsNullOrWhiteSpace(informational))
+            return informational;
+
+        return typeof(Program).Assembly.GetName().Version?.ToString() ?? "unknown";
     }
 
     public static IServiceProvider CreateServiceProvider()