Made changes to compilation and other things

- Added basic support for embedded resources (resx files are next!)
- Print out exit code from executed command (makes debugging easier)
- Fixed dnvm2.cmd to avoid putting things on the user path
- Fixed up propagation of exit codes

scripts/dnvm2.ps1

@@ -1533,12 +1533,12 @@ function dnvm-use {
         _WriteOut "Removing all runtimes from process PATH"
         Set-Path (Change-Path $env:Path "" ($RuntimeDirs))
 
-        if ($Persistent) {
-            _WriteOut "Removing all runtimes from user PATH"
-            $userPath = [Environment]::GetEnvironmentVariable("Path", [System.EnvironmentVariableTarget]::User)
-            $userPath = Change-Path $userPath "" ($RuntimeDirs)
-            [Environment]::SetEnvironmentVariable("Path", $userPath, [System.EnvironmentVariableTarget]::User)
-        }
+        #if ($Persistent) {
+        #    _WriteOut "Removing all runtimes from user PATH"
+        #    $userPath = [Environment]::GetEnvironmentVariable("Path", [System.EnvironmentVariableTarget]::User)
+        #    $userPath = Change-Path $userPath "" ($RuntimeDirs)
+        #    [Environment]::SetEnvironmentVariable("Path", $userPath, [System.EnvironmentVariableTarget]::User)
+        #}
         return;
     }
     
@@ -1553,12 +1553,12 @@ function dnvm-use {
     _WriteOut "Adding $runtimeBin to process PATH"
     Set-Path (Change-Path $env:Path $runtimeBin ($RuntimeDirs))
 
-    if ($Persistent) {
-        _WriteOut "Adding $runtimeBin to user PATH"
-        $userPath = [Environment]::GetEnvironmentVariable("Path", [System.EnvironmentVariableTarget]::User)
-        $userPath = Change-Path $userPath $runtimeBin ($RuntimeDirs)
-        [Environment]::SetEnvironmentVariable("Path", $userPath, [System.EnvironmentVariableTarget]::User)
-    }
+    #if ($Persistent) {
+    #    _WriteOut "Adding $runtimeBin to user PATH"
+    #    $userPath = [Environment]::GetEnvironmentVariable("Path", [System.EnvironmentVariableTarget]::User)
+    #    $userPath = Change-Path $userPath $runtimeBin ($RuntimeDirs)
+    #    [Environment]::SetEnvironmentVariable("Path", $userPath, [System.EnvironmentVariableTarget]::User)
+    #}
 }
 
 <#
@@ -1682,10 +1682,10 @@ function dnvm-setup {
     Set-Path (Change-Path $env:PATH $Destination $PathsToRemove)
 
     if(!$SkipUserEnvironmentInstall) {
-        _WriteOut "Adding $Destination to User PATH"
-        $userPath = [Environment]::GetEnvironmentVariable("PATH", "User")
-        $userPath = Change-Path $userPath $Destination $PathsToRemove
-        [Environment]::SetEnvironmentVariable("PATH", $userPath, "User")
+        #_WriteOut "Adding $Destination to User PATH"
+        #$userPath = [Environment]::GetEnvironmentVariable("PATH", "User")
+        #$userPath = Change-Path $userPath $Destination $PathsToRemove
+        #[Environment]::SetEnvironmentVariable("PATH", $userPath, "User")
     }
 
     # Now the HomeEnvVar

src/Microsoft.DotNet.Cli.Utils/Command.cs

@@ -137,6 +137,10 @@ namespace Microsoft.DotNet.Cli.Utils
 
             var exitCode = await _processTcs.Task;
 
+#if DEBUG
+            Console.WriteLine($"> {_process.StartInfo.FileName} {_process.StartInfo.Arguments} exited with {exitCode}.");
+#endif
+
             return new CommandResult(
                 exitCode,
                 _stdOutCapture?.GetStringBuilder()?.ToString(),

src/Microsoft.DotNet.Cli.Utils/PathUtility.cs

@@ -0,0 +1,202 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace Microsoft.DotNet.Tools.Common
+{
+    internal static class PathUtility
+    {
+        public static bool IsPlaceholderFile(string path)
+        {
+            return string.Equals(Path.GetFileName(path), "_._", StringComparison.Ordinal);
+        }
+
+        public static bool IsChildOfDirectory(string dir, string candidate)
+        {
+            if (dir == null)
+            {
+                throw new ArgumentNullException(nameof(dir));
+            }
+            if (candidate == null)
+            {
+                throw new ArgumentNullException(nameof(candidate));
+            }
+            dir = Path.GetFullPath(dir);
+            dir = EnsureTrailingSlash(dir);
+            candidate = Path.GetFullPath(candidate);
+            return candidate.StartsWith(dir, StringComparison.OrdinalIgnoreCase);
+        }
+
+        public static string EnsureTrailingSlash(string path)
+        {
+            return EnsureTrailingCharacter(path, Path.DirectorySeparatorChar);
+        }
+
+        public static string EnsureTrailingForwardSlash(string path)
+        {
+            return EnsureTrailingCharacter(path, '/');
+        }
+
+        private static string EnsureTrailingCharacter(string path, char trailingCharacter)
+        {
+            if (path == null)
+            {
+                throw new ArgumentNullException(nameof(path));
+            }
+
+            // if the path is empty, we want to return the original string instead of a single trailing character.
+            if (path.Length == 0 || path[path.Length - 1] == trailingCharacter)
+            {
+                return path;
+            }
+
+            return path + trailingCharacter;
+        }
+
+        public static void EnsureParentDirectory(string filePath)
+        {
+            string directory = Path.GetDirectoryName(filePath);
+            if (!Directory.Exists(directory))
+            {
+                Directory.CreateDirectory(directory);
+            }
+        }
+
+        /// <summary>
+        /// Returns path2 relative to path1, with Path.DirectorySeparatorChar as separator
+        /// </summary>
+        public static string GetRelativePath(string path1, string path2)
+        {
+            return GetRelativePath(path1, path2, Path.DirectorySeparatorChar);
+        }
+
+        /// <summary>
+        /// Returns path2 relative to path1, with given path separator
+        /// </summary>
+        public static string GetRelativePath(string path1, string path2, char separator)
+        {
+            if (string.IsNullOrEmpty(path1))
+            {
+                throw new ArgumentException("Path must have a value", nameof(path1));
+            }
+
+            if (string.IsNullOrEmpty(path2))
+            {
+                throw new ArgumentException("Path must have a value", nameof(path2));
+            }
+
+            StringComparison compare;
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                compare = StringComparison.OrdinalIgnoreCase;
+                // check if paths are on the same volume
+                if (!string.Equals(Path.GetPathRoot(path1), Path.GetPathRoot(path2)))
+                {
+                    // on different volumes, "relative" path is just path2
+                    return path2;
+                }
+            }
+            else
+            {
+                compare = StringComparison.Ordinal;
+            }
+
+            var index = 0;
+            var path1Segments = path1.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+            var path2Segments = path2.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+            // if path1 does not end with / it is assumed the end is not a directory
+            // we will assume that is isn't a directory by ignoring the last split
+            var len1 = path1Segments.Length - 1;
+            var len2 = path2Segments.Length;
+
+            // find largest common absolute path between both paths
+            var min = Math.Min(len1, len2);
+            while (min > index)
+            {
+                if (!string.Equals(path1Segments[index], path2Segments[index], compare))
+                {
+                    break;
+                }
+                // Handle scenarios where folder and file have same name (only if os supports same name for file and directory)
+                // e.g. /file/name /file/name/app
+                else if ((len1 == index && len2 > index + 1) || (len1 > index && len2 == index + 1))
+                {
+                    break;
+                }
+                ++index;
+            }
+
+            var path = "";
+
+            // check if path2 ends with a non-directory separator and if path1 has the same non-directory at the end
+            if (len1 + 1 == len2 && !string.IsNullOrEmpty(path1Segments[index]) &&
+                string.Equals(path1Segments[index], path2Segments[index], compare))
+            {
+                return path;
+            }
+
+            for (var i = index; len1 > i; ++i)
+            {
+                path += ".." + separator;
+            }
+            for (var i = index; len2 - 1 > i; ++i)
+            {
+                path += path2Segments[i] + separator;
+            }
+            // if path2 doesn't end with an empty string it means it ended with a non-directory name, so we add it back
+            if (!string.IsNullOrEmpty(path2Segments[len2 - 1]))
+            {
+                path += path2Segments[len2 - 1];
+            }
+
+            return path;
+        }
+
+        public static string GetAbsolutePath(string basePath, string relativePath)
+        {
+            if (basePath == null)
+            {
+                throw new ArgumentNullException(nameof(basePath));
+            }
+
+            if (relativePath == null)
+            {
+                throw new ArgumentNullException(nameof(relativePath));
+            }
+
+            Uri resultUri = new Uri(new Uri(basePath), new Uri(relativePath, UriKind.Relative));
+            return resultUri.LocalPath;
+        }
+
+        public static string GetDirectoryName(string path)
+        {
+            path = path.TrimEnd(Path.DirectorySeparatorChar);
+            return path.Substring(Path.GetDirectoryName(path).Length).Trim(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+        }
+
+        public static string GetPathWithForwardSlashes(string path)
+        {
+            return path.Replace('\\', '/');
+        }
+
+        public static string GetPathWithBackSlashes(string path)
+        {
+            return path.Replace('/', '\\');
+        }
+
+        public static string GetPathWithDirectorySeparator(string path)
+        {
+            if (Path.DirectorySeparatorChar == '/')
+            {
+                return GetPathWithForwardSlashes(path);
+            }
+            else
+            {
+                return GetPathWithBackSlashes(path);
+            }
+        }
+    }
+}

src/Microsoft.DotNet.Tools.Compiler.Csc/Program.cs

@@ -7,7 +7,7 @@ namespace Microsoft.DotNet.Tools.Compiler.Csc
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static int Main(string[] args)
         {
             DebugHelper.HandleDebugSwitch(ref args);
 
@@ -31,7 +31,7 @@ namespace Microsoft.DotNet.Tools.Compiler.Csc
                 return result.ExitCode;
             });
 
-            app.Execute(args);
+            return app.Execute(args);
         }
 
         private static Command RunCsc(string cscArgs)

src/Microsoft.DotNet.Tools.Compiler/Program.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Runtime.InteropServices;
 using Microsoft.Dnx.Runtime.Common.CommandLine;
 using Microsoft.DotNet.Cli.Utils;
+using Microsoft.DotNet.Tools.Common;
 using Microsoft.Extensions.ProjectModel;
 using Microsoft.Extensions.ProjectModel.Compilation;
 using NuGet.Frameworks;
@@ -183,6 +184,8 @@ namespace Microsoft.DotNet.Tools.Compiler
             // Add project source files
             compilerArgs.AddRange(context.ProjectFile.Files.SourceFiles);
 
+            AddResources(context.ProjectFile, compilerArgs);
+
             // TODO: Read this from the project
             const string compiler = "csc";
 
@@ -200,11 +203,48 @@ namespace Microsoft.DotNet.Tools.Compiler
             if (result.ExitCode == 0)
             {
                 Reporter.Output.WriteLine($"Compiled to {outputPath} successfully!".Green().Bold());
+                return true;
             }
 
             return false;
         }
 
+        private static void AddResources(Project project, List<string> compilerArgs)
+        {
+            string root = PathUtility.EnsureTrailingSlash(project.ProjectDirectory);
+
+            foreach (var resourceFile in project.Files.ResourceFiles)
+            {
+                string resourceName = null;
+                string rootNamespace = null;
+
+                var resourcePath = resourceFile.Key;
+
+                if (ResourcePathUtility.IsResxResourceFile(resourcePath))
+                {
+                    // TODO: Handle resource files
+                    continue;
+                }
+
+                if (string.IsNullOrEmpty(resourceFile.Value))
+                {
+                    // No logical name, so use the file name
+                    resourceName = ResourcePathUtility.GetResourceName(root, resourcePath);
+                    rootNamespace = project.Name;
+                }
+                else
+                {
+                    resourceName = CreateCSharpManifestResourceName.EnsureResourceExtension(resourceFile.Value, resourcePath);
+                    rootNamespace = null;
+                }
+
+                var name = CreateCSharpManifestResourceName.CreateManifestName(resourceName, rootNamespace);
+                var fileName = resourcePath;
+
+                compilerArgs.Add($"-resource:\"{fileName}\",{name}");
+            }
+        }
+
         private static ISet<ProjectDescription> Sort(Dictionary<string, ProjectDescription> projects)
         {
             var outputs = new HashSet<ProjectDescription>();

src/Microsoft.DotNet.Tools.Compiler/Resources/CreateCSharpManifestResourceName.cs

@@ -0,0 +1,196 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Globalization;
+using System.IO;
+using System.Text;
+
+namespace Microsoft.DotNet.Tools.Compiler
+{
+    internal static class CreateCSharpManifestResourceName
+    {
+        // Original source: https://raw.githubusercontent.com/Microsoft/msbuild/82177a50da735cc0443ac10fa490d69368403d71/src/XMakeTasks/CreateCSharpManifestResourceName.cs
+
+        public static string CreateManifestName(string fileName, string rootNamespace)
+        {
+            var name = new StringBuilder();
+
+            // Differences from the msbuild task:
+            // - we do not include the name of the first class (if any) for binary resources or source code
+            // - culture info is ignored
+
+            if (rootNamespace != null && rootNamespace.Length > 0)
+            {
+                name.Append(rootNamespace).Append(".");
+            }
+
+            // Replace spaces in the directory name with underscores.
+            // Note that spaces in the file name itself are preserved.
+            var path = MakeValidIdentifier(Path.GetDirectoryName(fileName));
+
+            // This is different from the msbuild task: we always append extensions because otherwise,
+            // the emitted resource doesn't have an extension and it is not the same as in the classic
+            // C# assembly
+            if (ResourcePathUtility.IsResxResourceFile(fileName))
+            {
+                name.Append(Path.Combine(path, Path.GetFileNameWithoutExtension(fileName)));
+                name.Append(".resources");
+                name.Replace(Path.DirectorySeparatorChar, '.');
+                name.Replace(Path.AltDirectorySeparatorChar, '.');
+            }
+            else
+            {
+                name.Append(Path.Combine(path, Path.GetFileName(fileName)));
+                name.Replace(Path.DirectorySeparatorChar, '.');
+                name.Replace(Path.AltDirectorySeparatorChar, '.');
+            }
+
+            return name.ToString();
+        }
+
+        // The code below the same is same as here: https://raw.githubusercontent.com/Microsoft/msbuild/41b137cd8805079af7792995e044521d62fcb005/src/XMakeTasks/CreateManifestResourceName.cs
+
+        /// <summary>
+        /// This method is provided for compatibility with MsBuild which used to convert parts of resource names into
+        /// valid identifiers
+        /// </summary>
+        private static string MakeValidIdentifier(string name)
+        {
+            var id = new StringBuilder(name.Length);
+
+            // split the name into folder names
+            var subNames = name.Split(new char[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
+
+            // convert every folder name
+            id.Append(MakeValidFolderIdentifier(subNames[0]));
+
+            for (int i = 1; i < subNames.Length; i++)
+            {
+                id.Append('.');
+                id.Append(MakeValidFolderIdentifier(subNames[i]));
+            }
+
+            return id.ToString();
+        }
+
+        /// <summary>
+        /// Make a folder name into an identifier
+        /// </summary>
+        private static string MakeValidFolderIdentifier(string name)
+        {
+            // give string length to avoid reallocations; +1 since the resulting string may be one char longer than the
+            // original - if the name is a single underscore we add another underscore to it
+            var id = new StringBuilder(name.Length + 1);
+
+            // split folder name into subnames separated by '.', if any
+            var subNames = name.Split(new char[] { '.' });
+
+            // convert each subname separately
+            id.Append(MakeValidSubFolderIdentifier(subNames[0]));
+
+            for (int i = 1; i < subNames.Length; i++)
+            {
+                id.Append('.');
+                id.Append(MakeValidSubFolderIdentifier(subNames[i]));
+            }
+
+            // folder name cannot be a single underscore - add another underscore to it
+            if (id.ToString() == "_")
+            {
+                id.Append('_');
+            }
+
+            return id.ToString();
+        }
+        /// <summary>
+        /// Make a folder subname into identifier 
+        /// </summary>
+        private static string MakeValidSubFolderIdentifier(string subName)
+        {
+            if (subName.Length == 0)
+            {
+                return subName;
+            }
+
+            // give string length to avoid reallocations; +1 since the resulting string may be one char longer than the
+            // original - if the first character is an invalid first identifier character but a valid subsequent one,
+            // we prepend an underscore to it.
+            var id = new StringBuilder(subName.Length + 1);
+
+            // the first character has stronger restrictions than the rest
+            if (!IsValidIdFirstChar(subName[0]))
+            {
+                // if the first character is not even a valid subsequent character, replace it with an underscore
+                if (!IsValidIdChar(subName[0]))
+                {
+                    id.Append('_');
+                }
+                // if it is a valid subsequent character, prepend an underscore to it
+                else
+                {
+                    id.Append('_');
+                    id.Append(subName[0]);
+                }
+            }
+            else
+            {
+                id.Append(subName[0]);
+            }
+
+            // process the rest of the subname
+            for (int i = 1; i < subName.Length; i++)
+            {
+                if (!IsValidIdChar(subName[i]))
+                {
+                    id.Append('_');
+                }
+                else
+                {
+                    id.Append(subName[i]);
+                }
+            }
+
+            return id.ToString();
+        }
+
+        /// <summary>
+        /// Is the character a valid first identifier character?
+        /// </summary>
+        private static bool IsValidIdFirstChar(char c)
+        {
+            return
+                char.IsLetter(c) ||
+                CharUnicodeInfo.GetUnicodeCategory(c) == UnicodeCategory.ConnectorPunctuation;
+        }
+
+        /// <summary>
+        /// Is the character a valid identifier character?
+        /// </summary>
+        private static bool IsValidIdChar(char c)
+        {
+            var cat = CharUnicodeInfo.GetUnicodeCategory(c);
+
+            return
+                char.IsLetterOrDigit(c) ||
+                cat == UnicodeCategory.ConnectorPunctuation ||
+                cat == UnicodeCategory.NonSpacingMark ||
+                cat == UnicodeCategory.SpacingCombiningMark ||
+                cat == UnicodeCategory.EnclosingMark;
+        }
+
+        public static string EnsureResourceExtension(string logicalName, string resourceFilePath)
+        {
+            string resourceExtension = Path.GetExtension(resourceFilePath);
+            if (!string.IsNullOrEmpty(resourceExtension))
+            {
+                if (!logicalName.EndsWith(resourceExtension, StringComparison.Ordinal))
+                {
+                    logicalName += resourceExtension;
+                }
+            }
+
+            return logicalName;
+        }
+    }
+}

src/Microsoft.DotNet.Tools.Compiler/Resources/ResourcePathUtility.cs

@@ -0,0 +1,31 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.IO;
+using Microsoft.DotNet.Tools.Common;
+
+namespace Microsoft.DotNet.Tools.Compiler
+{
+    internal static class ResourcePathUtility
+    {
+        public static string GetResourceName(string projectFolder, string resourcePath)
+        {
+            // If the file is outside of the project folder, we are assuming it is directly in the root
+            // otherwise, keep the folders that are inside the project
+            return PathUtility.IsChildOfDirectory(projectFolder, resourcePath) ?
+                PathUtility.GetRelativePath(projectFolder, resourcePath) :
+                Path.GetFileName(resourcePath);
+        }
+
+        public static bool IsResxResourceFile(string fileName)
+        {
+            var ext = Path.GetExtension(fileName);
+
+            return
+                string.Equals(ext, ".resx", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(ext, ".restext", StringComparison.OrdinalIgnoreCase) ||
+                string.Equals(ext, ".resources", StringComparison.OrdinalIgnoreCase);
+        }
+    }
+}