Build: add action to test the build

.github/workflows/test-build.yml

@@ -0,0 +1,32 @@
+name: Test build
+on:
+  workflow_dispatch:
+    inputs:
+      ref:
+        description: Commit name (defaults to master)
+        required: false
+      target:
+        description: Command line
+        required: true
+        default: ResolveVersion --verbose
+
+jobs:
+  release:
+    name: Test build
+    runs-on: ubuntu-latest
+    env:
+      DOTNET_CLI_TELEMETRY_OPTOUT: 1
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        ref: ${{ github.event.inputs.ref }}
+
+    - name: Install GitVersion.Tool
+      run: dotnet tool install --global GitVersion.Tool
+
+    - name: Build
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: ./build.sh ${{ github.event.inputs.target }}

tools/build/Program.cs

@@ -131,7 +131,7 @@ static int Main(string[] args)
 
             var (options, targets) = Options.Parse(filteredArguments);
             verbose = options.Verbose;
-            host = options.Host;
+            host = options.Host.DetectIfUnknown().Item1;
 
             var operatingSystem =
                 RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
@@ -229,6 +229,7 @@ public static void WriteImportant(string text)
             switch (host)
             {
                 case Host.GitHubActions:
+                    Console.WriteLine($"Writing a warning");
                     Console.WriteLine($"::warning ::{text.Replace("\\n", "%0A")}");
                     break;
             }