Fix weird error message when absolute reference cannot be found

Nake.sln

@@ -14,6 +14,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Fowler.csx = Fowler.csx
 		Nake.csx = Nake.csx
 		Build\NuGet\Nake.nuspec = Build\NuGet\Nake.nuspec
+		Source\ProductAssemblyInfo.cs = Source\ProductAssemblyInfo.cs
 	EndProjectSection
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Meta", "Source\Meta\Meta.csproj", "{B12EB89E-0C86-4D2E-866D-BBF1E6890806}"

Packages/repositories.config

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <repositories>
+  <repository path="..\Build\packages.config" />
   <repository path="..\Source\Nake.Tests\packages.config" />
   <repository path="..\Source\Nake\packages.config" />
-  <repository path="..\Build\packages.config" />
+  <repository path="..\Source\Utility.Tests\packages.config" />
+  <repository path="..\Source\Utility\packages.config" />
 </repositories>

Source/Nake/Magic/Preprocessor.cs

@@ -14,6 +14,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -174,17 +175,22 @@ void AppendBody(StringBuilder code)
 
         internal struct AbsoluteReference : IEquatable<AbsoluteReference>
         {
-            readonly string path;
+            public readonly string AssemblyPath;
+            public string ScriptFile;
 
             public AbsoluteReference(string scriptFile, string assemblyReference)
             {
+                this.ScriptFile = scriptFile;
+
                 var currentScriptDirectory = Path.GetDirectoryName(scriptFile);
-                path = Path.GetFullPath(Path.Combine(currentScriptDirectory, assemblyReference));
+                Debug.Assert(currentScriptDirectory != null);
+
+                AssemblyPath = Path.GetFullPath(Path.Combine(currentScriptDirectory, assemblyReference));
             }
 
             public bool Equals(AbsoluteReference other)
             {
-                return String.Equals(path, (string) other.path);
+                return String.Equals(AssemblyPath, (string) other.AssemblyPath);
             }
 
             public override bool Equals(object obj)
@@ -197,12 +203,12 @@ public override bool Equals(object obj)
 
             public override int GetHashCode()
             {
-                return path.GetHashCode();
+                return AssemblyPath.GetHashCode();
             }
 
             public override string ToString()
             {
-                return path;
+                return AssemblyPath;
             }
 
             public static bool operator ==(AbsoluteReference left, AbsoluteReference right)
@@ -217,7 +223,7 @@ public override string ToString()
 
             public static implicit operator string(AbsoluteReference obj)
             {
-                return obj.path;
+                return obj.AssemblyPath;
             }
         }
     }

Source/Nake/Magic/Script.cs

@@ -105,7 +105,8 @@ string Preprocess(FileInfo file)
                 foreach (var absoluteReference in result.AbsoluteReferences)
                 {
                     if (!File.Exists(absoluteReference))
-                        throw new NakeException("Reference {0} defined in script {1} cannot be found");
+                        throw new NakeException("Reference {0} defined in script {1} cannot be found", 
+                            absoluteReference.AssemblyPath, absoluteReference.ScriptFile);
 
                     if (NakeReferences.Contains(absoluteReference))
                         continue;

Source/ProductAssemblyInfo.cs

@@ -1,4 +1,4 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("1.0.0.3")]
+[assembly: AssemblyVersion("1.0.0.4")]
 [assembly: AssemblyCopyright("Copyright © Yevhen Bobrov 2013")]