# Release v4.9.4.0

---

## Changes

### CLI

- #406: Custom DLL (CommandGathering.dll) Fails Compile-Time Namespace Resolution with //css_ref
- Improved `css -cmd` UX when generating custom commands descriptions.
- Updated custom commands `-pkill` to allow killing the process by PID.
- Added custom commands:
  - `-runas`
  - `-which`
  - `-who`

Author: oleg-shilo

src/CSScriptLib/src/CSScriptLib/CSScriptLib.csproj

@@ -32,6 +32,11 @@
 
 - #406: Custom DLL (CommandGathering.dll) Fails Compile-Time Namespace Resolution with //css_ref
 - Improved `css -cmd` UX when generating custom commands descriptions.
+- Updated custom commands `-pkill` to allow killing the process by PID.
+- Added custom commands:
+  - `-runas`
+  - `-which`
+  - `-who`
 
 ### CSScriptLib
 

src/Tests.cscs/Utils.cs

@@ -11,7 +11,7 @@ class FactWinOnlyAttribute : Attribute
 
 static class Extensions
 {
-    public static string Run(this string exe, string args = null, string dir = null)
+    public static (string output, int exitCode) Run(this string exe, string args = null, string dir = null)
     {
         var process = new Process();
 
@@ -29,6 +29,6 @@ public static string Run(this string exe, string args = null, string dir = null)
         output += process.StandardError.ReadToEnd();
         process.WaitForExit();
 
-        return output;
+        return (output, process.ExitCode);
     }
 }

src/Tests.cscs/cli.cs

@@ -4,6 +4,10 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
 using csscript;
 using CSScripting;
 using CSScriptLib;
@@ -49,7 +53,7 @@ public cscs_cli(ITestOutputHelper output)
             var cmd_dir = cscs_exe.ChangeFileName("-self");
 
             if (cmd_dir.DirExists())
-                static_content = cmd_dir;
+                static_content = cmd_dir.GetFileName();
             else
                 static_content = $@"..\..\..\..\..\out\static_content".GetFullPath();
 
@@ -61,14 +65,23 @@ public cscs_cli(ITestOutputHelper output)
         public string cscs_exe;
         public string static_content;
 
-        string cscs_run(string args, string dir = null) => "dotnet".Run($"\"{cscs_exe}\" {args}", dir).Trim();
+        string cscs_run(string args, string dir = null)
+        {
+            var output = "dotnet".Run($"\"{cscs_exe}\" {args}", dir).output.Trim();
+            if (args.TrimStart().StartsWith("-new"))
+                Task.Delay(700).Wait(); // give it a chance to complete and get accessible (e.g. AV release the lock)
+            return output;
+        }
+
+        (string, int) cscs_runx(string args, string dir = null) => "dotnet".Run($"\"{cscs_exe}\" {args}", dir);
 
         [Fact]
         public void create_and_execute_default_script()
         {
             var script_file = nameof(create_and_execute_default_script) + ".cs";
 
             var output = cscs_run($"-new {script_file}");
+
             Assert.True(File.Exists(script_file));
 
             Assert.True(File.Exists(script_file));
@@ -103,6 +116,7 @@ public void switch_engine_from_code_with_full_directive()
             var script_file = nameof(switch_engine_from_code_with_full_directive) + ".cs";
 
             var output = cscs_run($"-new {script_file}");
+
             var script_code = File.ReadAllText(script_file);
 
             // full directive //css_engine
@@ -245,6 +259,28 @@ public void syntax_version_10()
             Assert.Equal("Hello, World!", output);
         }
 
+        [Fact]
+        public void distro_commands()
+        {
+            var is_win = (Environment.OSVersion.Platform == PlatformID.Win32NT);
+
+            var commands = Directory.GetFiles(static_content, "-run.cs", SearchOption.AllDirectories);
+            foreach (var file in commands)
+            {
+                var cmd = file.GetDirName().GetFileName();
+
+                var probing_dir = $"-dir:{static_content}";
+                var extra_arg = cmd.IsOneOf("-web", "-update") ? "-?" : "";
+
+                (var output, var exitCode) = cscs_runx($"{file} {extra_arg}");
+
+                var context = $"{file}\n{output.TakeMax(100)}";
+
+                Assert.True(0 == exitCode, $"Failed to build/execute: \n{context}");
+                Assert.False(output.Contains("Index was"), $"Failed to start: \n{context}");
+            }
+        }
+
         [Fact]
         public void complex_commands()
         {
@@ -399,13 +435,13 @@ static void Main()
         [Fact]
         public void compiler_output()
         {
-            // Debugger.Break();
+            // Debugger.Launch();
             var script_file = nameof(compiler_output);
             var output = cscs_run($"-new {script_file}");
 
-            output = cscs_run($"-check -ng:csc {script_file}");
-            // throw new Exception($"{output}\n{script_file}\n{Environment.CurrentDirectory}");
-            Assert.Equal("Compile: OK", output);
+            var output1 = cscs_run($"-check -ng:csc {script_file}");
+
+            Assert.Equal("Compile: OK", output1);
         }
 
         [Fact]
@@ -443,6 +479,7 @@ public void new_wpf_with_cscs()
                 var script_file = nameof(new_wpf_with_cscs) + ".cs";
 
                 var output = cscs_run($"-new:wpf {script_file}");
+                Task.Delay(500).Wait();
 
                 // --------------
 

src/chocolatey/cs-script.nuspec

@@ -32,6 +32,11 @@
 
 - #406: Custom DLL (CommandGathering.dll) Fails Compile-Time Namespace Resolution with //css_ref
 - Improved `css -cmd` UX when generating custom commands descriptions.
+- Updated custom commands `-pkill` to allow killing the process by PID.
+- Added custom commands:
+  - `-runas`
+  - `-which`
+  - `-who`
 
 ### CSScriptLib
 

src/cscs/HelpProvider.cs

@@ -1369,8 +1369,6 @@ public static string ShowHelp(string helpType, params object[] context)
 
                                     var description = cachedDescription;
 
-                                    var delayedDescription = true;
-
                                     if (!description.HasText() || version.IsMatch(description) || File.GetLastWriteTimeUtc(versionFile) != File.GetLastWriteTimeUtc(commandFile))
                                     {
                                         (var result, description) = GenerateCommadDescription(item.Key);

src/cscs/Utils/CLIExtensions.cs

@@ -69,6 +69,9 @@ public static IEnumerable<XElement> FindDescendants(this XElement element, strin
     public static bool StartsWith(this string text, string pattern, bool ignoreCase) =>
         text.StartsWith(pattern, ignoreCase ? StringComparison.OrdinalIgnoreCase : default(StringComparison));
 
+    public static string TakeMax(this string text, int maxCharacters) =>
+        text.Substring(0, Math.Min(100, text.Length));
+
     public static string GetTargetPlatform(this CompilerParameters compilerParams)
     {
         var platform = compilerParams.CompilerOptions?

src/cscs/cscs.csproj

@@ -26,6 +26,11 @@
 
 - #406: Custom DLL (CommandGathering.dll) Fails Compile-Time Namespace Resolution with //css_ref
 - Improved `css -cmd` UX when generating custom commands descriptions.
+- Updated custom commands `-pkill` to allow killing the process by PID.
+- Added custom commands:
+  - `-runas`
+  - `-which`
+  - `-who`
 
 ### CSScriptLib
 
@@ -130,6 +135,10 @@
     <Content Include="..\out\static_content\$-wdbg\**\*" Link="ToolPackage/-wdbg" Pack="true" PackagePath="tools/net9.0/any/-wdbg" />
     <Content Include="..\out\static_content\$-web\**\*" Link="ToolPackage/-web" Pack="true" PackagePath="tools/net9.0/any/-web" />
     <Content Include="..\out\static_content\$-web\**\*" Link="ToolPackage/-web" Pack="true" PackagePath="tools/net8.0/any/-web" />
+    <Content Include="..\out\static_content\$-which\**\*" Link="ToolPackage/-which" Pack="true" PackagePath="tools/net9.0/any/-which" />
+    <Content Include="..\out\static_content\$-which\**\*" Link="ToolPackage/-which" Pack="true" PackagePath="tools/net8.0/any/-which" />
+    <Content Include="..\out\static_content\$-who\**\*" Link="ToolPackage/-who" Pack="true" PackagePath="tools/net9.0/any/-who" />
+    <Content Include="..\out\static_content\$-who\**\*" Link="ToolPackage/-who" Pack="true" PackagePath="tools/net8.0/any/-who" />
     <!-- end: nuget tool package custom commands (keep this line here, it is a marker for automation)  -->
     <Content Include="..\css\bin\net9.0-windows\csws.runtimeconfig.json" Link="ToolPackage/net.9" Pack="true" PackagePath="tools/net9.0/any/csws.runtimeconfig.json" />
     <Content Include="..\css\bin\net9.0-windows\csws.dll" Link="ToolPackage/net.9" Pack="true" PackagePath="tools/net9.0/any/csws.dll" />

src/csws/csws.csproj

@@ -29,6 +29,11 @@
 
 - #406: Custom DLL (CommandGathering.dll) Fails Compile-Time Namespace Resolution with //css_ref
 - Improved `css -cmd` UX when generating custom commands descriptions.
+- Updated custom commands `-pkill` to allow killing the process by PID.
+- Added custom commands:
+  - `-runas`
+  - `-which`
+  - `-who`
 
 ### CSScriptLib
 

src/distro/which.cs

@@ -14,13 +14,13 @@
 
   css -unlock <path>";
 
-if (args.ContainsAny("-?", "?", "-help", "--help"))
+if (!args.Any() || args.ContainsAny("-?", "?", "-help", "--help"))
 {
     print(help);
     return;
 }
 
-string path = args.FirstOrDefault() ?? CurrentDirectory;
+string path = args.FirstOrDefault().Locate();
 
 if (Directory.Exists(path))
 {
@@ -77,4 +77,20 @@
 static class Extensions
 {
     public static bool ContainsAny(this string[] items1, params string[] items2) => items1.Intersect(items2).Any();
+
+    public static string Locate(this string path)
+    {
+        string fullPath;
+        var dirs = Environment.GetEnvironmentVariable("Path").Split(';').ToList();
+        dirs.Insert(0, Environment.CurrentDirectory);
+
+        foreach (string dir in dirs)
+        {
+            if (File.Exists(fullPath = Path.Combine(dir, path)))
+                return fullPath;
+            if (Directory.Exists(fullPath = Path.Combine(dir, path)))
+                return fullPath;
+        }
+        return null;
+    }
 }