Avoid path too long errors when performing BuildV2 builds in MVC repo

- do not glob to the ends of the earth when looking for `project.json` files

nits:
- remove unused variable in `_kpm-build.shade`
- remove incorrect comment in `_kpm-pack.shade`
- clean up some trailing whitespace

build/_k-standard-goals.shade

@@ -36,7 +36,7 @@ default NUGET_FEED = 'https://api.nuget.org/v3/index.json'
     Configuration = "Debug";
     E("Configuration", Configuration);
   }
-  
+
   Log.Info("Build v2: " + IsBuildV2);
 }
 
@@ -105,7 +105,7 @@ default NUGET_FEED = 'https://api.nuget.org/v3/index.json'
     {
         projectFiles.ForEach(projectFile => DnuPack(projectFile, BUILD_DIR, Configuration));
     }
-    
+
     foreach (var nupkg in Files.Include(Path.Combine(BUILD_DIR, "*/*.nupkg")))
     {
         File.Copy(nupkg, Path.Combine(BUILD_DIR, Path.GetFileName(nupkg)), true);
@@ -115,31 +115,38 @@ default NUGET_FEED = 'https://api.nuget.org/v3/index.json'
 #build-compile target='compile' if='IsBuildV2'
   @{
       // If the src folder, build and create the packages
-      if (Directory.Exists("src")) 
+      if (Directory.Exists("src"))
       {
-          DnuPack("src/**", BUILD_DIR, Configuration);
+          // Handle projects 1 to 3 levels down from src/, avoiding path too long errors.
-          
+          DnuPack("src/*;src/*/*;src/*/*/*", BUILD_DIR, Configuration);
+
           foreach (var nupkg in Files.Include(Path.Combine(BUILD_DIR, "*/*.nupkg")))
           {
               File.Copy(nupkg, Path.Combine(BUILD_DIR, Path.GetFileName(nupkg)), true);
           }
       }
-      
+
       // For test and samples only check if they compile
       var projectsToBuild = new List<string>();
-      if (Directory.Exists("test")) 
+      if (Directory.Exists("test"))
       {
-          projectsToBuild.Add("test/**");
+          // Handle projects 1 to 3 levels down from test/, avoiding path too long errors.
+          projectsToBuild.Add("test/*");
+          projectsToBuild.Add("test/*/*");
+          projectsToBuild.Add("test/*/*/*");
       }
-      if (Directory.Exists("samples")) 
+      if (Directory.Exists("samples"))
       {
-          projectsToBuild.Add("samples/**");  
+          // Handle projects 1 to 3 levels down from samples/, avoiding path too long errors.
+          projectsToBuild.Add("samples/*");
+          projectsToBuild.Add("samples/*/*");
+          projectsToBuild.Add("samples/*/*/*");
       }
-      
+
-      if (projectsToBuild.Any()) 
+      if (projectsToBuild.Any())
       {
           DnuBuild(
-            string.Join(";", projectsToBuild), 
+            string.Join(";", projectsToBuild),
             Configuration);
       }
   }
@@ -352,7 +359,7 @@ macro name="DnuBuild" projectFile='string' configuration='string'
 
 macro name="DnuPack" projectFile='string' kpmPackOutputDir='string' configuration='string'
     kpm-pack
-    
+
 macro name="DeleteFolder" delete='string'
     directory
 

build/_kpm-build.shade

@@ -17,10 +17,9 @@ default build_options='${E("NUGET3_build_options")}'
     if (IsBuildV2)
     {
         var projectsToPack = new List<string>();
-    
         foreach(var arg in projectFile.Split((char)';'))
         {
-            if (!arg.Contains("*")) 
+            if (!arg.Contains("*"))
             {
                 projectsToPack.Add(Path.GetDirectoryName(arg));
             }
@@ -30,15 +29,15 @@ default build_options='${E("NUGET3_build_options")}'
                 projectsToPack.AddRange(projectFolders);
             }
         }
-            
+
-        foreach(var projFolder in projectsToPack) 
+        foreach(var projFolder in projectsToPack)
-        { 
+        {
             DeleteFolder(Path.Combine(projFolder, "bin", configuration));
         }
-        
+
         var projectsArg=projectFile.Replace(";", " ");
         var dnuArgs=string.Format("build{0} {1} --configuration {2}", build_options, projectsArg, configuration);
-        if (!IsMono) 
+        if (!IsMono)
         {
             Exec("cmd", "/C dnu " + dnuArgs);
         }
@@ -50,13 +49,12 @@ default build_options='${E("NUGET3_build_options")}'
     else
     {
         var projectFolder=Path.GetDirectoryName(projectFile);
-        var projectName=Path.GetFileName(projectFolder);
         var projectBin=Path.Combine(projectFolder, "bin", configuration);
-        
+
         DeleteFolder(projectBin);
-        
+
         var dnuArgs=string.Format("build{0} {1} --configuration {2}", build_options, projectFolder, configuration);
-        if (!IsMono) 
+        if (!IsMono)
         {
             Exec("cmd", "/C dnu " + dnuArgs);
         }

build/_kpm-pack.shade

@@ -1,7 +1,7 @@
 @{/*
 
 kpm-pack
-    Builds package from project. Downloads and executes k sdk tools.
+    Builds package from project.
 
 projectFile=''
     Required. Path to the project.json to build.
@@ -20,10 +20,9 @@ default pack_options='${E("NUGET3_pack_options")}'
     if (IsBuildV2)
     {
         var projectsToPack = new List<string>();
-    
         foreach(var arg in projectFile.Split((char)';'))
         {
-            if (!arg.Contains("*")) 
+            if (!arg.Contains("*"))
             {
                 projectsToPack.Add(Path.GetDirectoryName(arg));
             }
@@ -34,14 +33,14 @@ default pack_options='${E("NUGET3_pack_options")}'
             }
         }
 
-        foreach(var projFolder in projectsToPack) 
+        foreach(var projFolder in projectsToPack)
-        { 
+        {
             DeleteFolder(Path.Combine(projFolder, "bin", configuration));
         }
-        
+
         var projectsArg=projectFile.Replace(";", " ");
         var dnuArgs=string.Format("pack{0} {1} --configuration {2}", pack_options, projectsArg, configuration);
-        if (!IsMono) 
+        if (!IsMono)
         {
             Exec("cmd", "/C dnu " + dnuArgs);
         }
@@ -49,11 +48,11 @@ default pack_options='${E("NUGET3_pack_options")}'
         {
             Exec("dnu", dnuArgs);
         }
-        
+
-        foreach(var projFolder in projectsToPack) 
+        foreach(var projFolder in projectsToPack)
-        { 
+        {
             CopyFolder(
-                Path.Combine(projFolder, "bin", configuration), 
+                Path.Combine(projFolder, "bin", configuration),
                 Path.Combine(kpmPackOutputDir, Path.GetFileName(projFolder)),
                 true);
         }
@@ -63,11 +62,11 @@ default pack_options='${E("NUGET3_pack_options")}'
         var projectFolder=Path.GetDirectoryName(projectFile);
         var projectName=Path.GetFileName(projectFolder);
         var projectBin=Path.Combine(projectFolder, "bin", configuration);
-        
+
         DeleteFolder(projectBin);
-        
+
         var dnuArgs=string.Format("pack{0} {1} --configuration {2}", pack_options, projectFolder, configuration);
-        if (!IsMono) 
+        if (!IsMono)
         {
             Exec("cmd", "/C dnu " + dnuArgs);
         }