[release/13.1] Fix template version parsing for .NET 10.0 SDK separator change

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "10.0.101",
+    "version": "10.0.102",
     "rollForward": "major",
     "allowPrerelease": true,
     "paths": [
@@ -10,7 +10,7 @@
     "errorMessage": "The .NET SDK could not be found. Run ./restore.sh (Linux/macOS) or ./restore.cmd (Windows) to install the local SDK."
   },
   "tools": {
-    "dotnet": "10.0.101",
+    "dotnet": "10.0.102",
     "runtimes": {
       "dotnet/x64": [
         "$(DotNetRuntimePreviousVersionForTesting)",

src/Aspire.Cli/DotNet/DotNetCliRunner.cs

@@ -449,7 +449,7 @@ public async Task<int> TrustHttpCertificateAsync(DotNetCliRunnerInvocationOption
         }
     }
 
-    private static bool TryParsePackageVersionFromStdout(string stdout, [NotNullWhen(true)] out string? version)
+    internal static bool TryParsePackageVersionFromStdout(string stdout, [NotNullWhen(true)] out string? version)
     {
         var lines = stdout.Split(Environment.NewLine);
         var successLine = lines.SingleOrDefault(x => x.StartsWith("Success: Aspire.ProjectTemplates"));
@@ -461,9 +461,12 @@ private static bool TryParsePackageVersionFromStdout(string stdout, [NotNullWhen
         }
 
         var templateVersion = successLine.Split(" ") switch { // Break up the success line.
-            { Length: > 2 } chunks => chunks[1].Split("::") switch { // Break up the template+version string
+            { Length: > 2 } chunks => chunks[1].Split("@") switch { // Break up the template+version string (@ separator for .NET 10.0+)
                 { Length: 2 } versionChunks => versionChunks[1], // The version in the second chunk
-                _ => null
+                _ => chunks[1].Split("::") switch { // Fallback to :: separator for older SDK versions
+                    { Length: 2 } versionChunks => versionChunks[1],
+                    _ => null
+                }
             },
             _ => null
         };

tests/Aspire.Cli.Tests/DotNet/DotNetCliRunnerTests.cs

@@ -1291,6 +1291,21 @@ await runner.GetProjectItemsAndPropertiesAsync(
             CancellationToken.None
         );
     }
+
+    [Theory]
+    [InlineData("Success: Aspire.ProjectTemplates@13.2.0-preview.1.26101.12 installed the following templates:", true, "13.2.0-preview.1.26101.12")] // New .NET 10.0 SDK format with @ separator
+    [InlineData("Success: Aspire.ProjectTemplates::13.2.0-preview.1.26101.12 installed the following templates:", true, "13.2.0-preview.1.26101.12")] // Old SDK format with :: separator
+    [InlineData("Some other output", false, null)] // Missing success line
+    [InlineData("Success: Aspire.ProjectTemplates installed the following templates:", false, null)] // Invalid format without version separator
+    public void TryParsePackageVersionFromStdout_ParsesCorrectly(string stdout, bool expectedResult, string? expectedVersion)
+    {
+        // Act
+        var result = DotNetCliRunner.TryParsePackageVersionFromStdout(stdout, out var version);
+
+        // Assert
+        Assert.Equal(expectedResult, result);
+        Assert.Equal(expectedVersion, version);
+    }
 }
 
 internal sealed class AssertingDotNetCliRunner(