Add .net8.dll and and check for it. Remove .net5 since it is EOL (#3841)

resources/dotnetJsonCli/net8.0/Microsoft.TemplateEngine.JsonCli.runtimeconfig.json

@@ -1,12 +1,13 @@
-{
-  "runtimeOptions": {
-    "tfm": "net5.0",
-    "framework": {
-      "name": "Microsoft.NETCore.App",
-      "version": "5.0.0"
-    },
-    "configProperties": {
-      "System.Reflection.Metadata.MetadataUpdater.IsSupported": false
-    }
-  }
+{
+  "runtimeOptions": {
+    "tfm": "net8.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "8.0.0-preview.7.23375.6"
+    },
+    "configProperties": {
+      "System.Reflection.Metadata.MetadataUpdater.IsSupported": false,
+      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
+    }
+  }
 }

src/templates/dotnet/executeDotnetTemplateCommand.ts

@@ -61,7 +61,7 @@ async function getFramework(context: IActionContext, workingDirectory: string |
         }
 
         // Prioritize "LTS", then "Current", then "Preview"
-        const netVersions: string[] = ['6.0', '7.0', '5.0'];
+        const netVersions: string[] = ['6.0', '7.0', '8.0'];
         const semVersions: SemVer[] = netVersions.map(v => semVerCoerce(v) as SemVer);
 
         let pickedVersion: SemVer | undefined;

tools/JsonCli/.vscode/tasks.json

@@ -11,22 +11,6 @@
             ],
             "problemMatcher": "$msCompile"
         },
-        {
-            "label": "publish (5.0)",
-            "command": "dotnet",
-            "type": "process",
-            "args": [
-                "publish",
-                "--configuration",
-                "Release",
-                "--framework",
-                "net5.0",
-                "--output",
-                "${workspaceFolder}/../../resources/dotnetJsonCli/net5.0/",
-                "${workspaceFolder}/src/Microsoft.TemplateEngine.JsonCli.csproj"
-            ],
-            "problemMatcher": "$msCompile"
-        },
         {
             "label": "publish (6.0)",
             "command": "dotnet",
@@ -58,6 +42,22 @@
                 "${workspaceFolder}/src/Microsoft.TemplateEngine.JsonCli.csproj"
             ],
             "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "publish (8.0)",
+            "command": "dotnet",
+            "type": "process",
+            "args": [
+                "publish",
+                "--configuration",
+                "Release",
+                "--framework",
+                "net8.0",
+                "--output",
+                "${workspaceFolder}/../../resources/dotnetJsonCli/net8.0/",
+                "${workspaceFolder}/src/Microsoft.TemplateEngine.JsonCli.csproj"
+            ],
+            "problemMatcher": "$msCompile"
         }
     ]
 }

tools/JsonCli/src/Microsoft.TemplateEngine.JsonCli.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFrameworks>net5.0;net6.0;net7.0</TargetFrameworks>
+        <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
         <SignAssembly>true</SignAssembly>
         <AssemblyOriginatorKeyFile>..\resources\FinalPublicKey.snk</AssemblyOriginatorKeyFile>
         <DelaySign>true</DelaySign>

tools/JsonCli/src/src.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.002.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.TemplateEngine.JsonCli", "Microsoft.TemplateEngine.JsonCli.csproj", "{5BA9AEF9-30E9-404D-A10E-323AFABE6E9C}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Signing", "Signing.csproj", "{E43DBE76-FC2D-4ACB-A657-7E42C074F233}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5BA9AEF9-30E9-404D-A10E-323AFABE6E9C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5BA9AEF9-30E9-404D-A10E-323AFABE6E9C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5BA9AEF9-30E9-404D-A10E-323AFABE6E9C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5BA9AEF9-30E9-404D-A10E-323AFABE6E9C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E43DBE76-FC2D-4ACB-A657-7E42C074F233}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E43DBE76-FC2D-4ACB-A657-7E42C074F233}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E43DBE76-FC2D-4ACB-A657-7E42C074F233}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E43DBE76-FC2D-4ACB-A657-7E42C074F233}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D82CD8F7-6A0F-4D71-834B-E173DB4632D1}
+	EndGlobalSection
+EndGlobal