From 13f352b0b45c0d24cc54f610ff771266f024da1f Mon Sep 17 00:00:00 2001
From: Kevin Bost <kitokeboo@gmail.com>
Date: Wed, 1 Mar 2017 16:38:29 -0800
Subject: [PATCH 1/2] Adding AssemblyInfo to get access to the linker date for
 the executing assembly. Adding nuspec file.

---
 IntelliTect.Utilities/AssemblyInfo.cs         | 55 +++++++++++++++++++
 .../IntelliTect.Utilities.csproj              |  7 ++-
 .../IntelliTect.Utilities.nuspec              | 17 ++++++
 ...telliTect.Utilities.sln => IntelliTect.sln |  2 +-
 4 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100644 IntelliTect.Utilities/AssemblyInfo.cs
 create mode 100644 IntelliTect.Utilities/IntelliTect.Utilities.nuspec
 rename IntelliTect.Utilities/IntelliTect.Utilities.sln => IntelliTect.sln (89%)

diff --git a/IntelliTect.Utilities/AssemblyInfo.cs b/IntelliTect.Utilities/AssemblyInfo.cs
new file mode 100644
index 0000000..399c69b
--- /dev/null
+++ b/IntelliTect.Utilities/AssemblyInfo.cs
@@ -0,0 +1,55 @@
+using System;
+using System.IO;
+using System.Reflection;
+
+namespace IntelliTect.Utilities
+{
+    /// <summary>
+    /// Information about the executing assembly.
+    /// </summary>
+    public static class AssemblyInfo
+    {
+        private static DateTime? _Date;
+
+        /// <summary>
+        /// Gets the linker date from the assembly header.
+        /// </summary>
+        public static DateTime Date
+        {
+            get
+            {
+                if (_Date == null)
+                {
+                    _Date = GetLinkerTime(Assembly.GetExecutingAssembly());
+                }
+                return _Date.Value;
+            }
+        }
+
+        /// <summary>
+        /// Gets the linker date of the assembly.
+        /// </summary>
+        /// <param name="assembly"></param>
+        /// <returns></returns>
+        /// <remarks>https://blog.codinghorror.com/determining-build-date-the-hard-way/</remarks>
+        private static DateTime GetLinkerTime(Assembly assembly)
+        {
+            var filePath = assembly.Location;
+            const int cPeHeaderOffset = 60;
+            const int cLinkerTimestampOffset = 8;
+
+            var buffer = new byte[2048];
+
+            using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
+                stream.Read(buffer, 0, 2048);
+
+            var offset = BitConverter.ToInt32(buffer, cPeHeaderOffset);
+            var secondsSince1970 = BitConverter.ToInt32(buffer, offset + cLinkerTimestampOffset);
+            var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+
+            var linkTimeUtc = epoch.AddSeconds(secondsSince1970);
+
+            return linkTimeUtc;
+        }
+    }
+}
\ No newline at end of file
diff --git a/IntelliTect.Utilities/IntelliTect.Utilities.csproj b/IntelliTect.Utilities/IntelliTect.Utilities.csproj
index 2d24e29..37399b2 100644
--- a/IntelliTect.Utilities/IntelliTect.Utilities.csproj
+++ b/IntelliTect.Utilities/IntelliTect.Utilities.csproj
@@ -9,8 +9,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>IntelliTect.Utilities</RootNamespace>
     <AssemblyName>IntelliTect.Utilities</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -40,7 +41,11 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="AssemblyInfo.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="IntelliTect.Utilities.nuspec" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/IntelliTect.Utilities/IntelliTect.Utilities.nuspec b/IntelliTect.Utilities/IntelliTect.Utilities.nuspec
new file mode 100644
index 0000000..e622049
--- /dev/null
+++ b/IntelliTect.Utilities/IntelliTect.Utilities.nuspec
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<package >
+  <metadata>
+    <id>$id$</id>
+    <version>$version$</version>
+    <title>$title$</title>
+    <authors>$author$</authors>
+    <owners>$author$</owners>
+    <licenseUrl>https://github.com/IntelliTect/IntelliTect/blob/master/LICENSE</licenseUrl>
+    <projectUrl>https://github.com/IntelliTect/IntelliTect</projectUrl>
+    <requireLicenseAcceptance>true</requireLicenseAcceptance>
+    <description>$description$</description>
+    <releaseNotes>Added assembly linker date.</releaseNotes>
+    <copyright>Copyright 2017</copyright>
+    <tags>IntelliTect</tags>
+  </metadata>
+</package>
\ No newline at end of file
diff --git a/IntelliTect.Utilities/IntelliTect.Utilities.sln b/IntelliTect.sln
similarity index 89%
rename from IntelliTect.Utilities/IntelliTect.Utilities.sln
rename to IntelliTect.sln
index 092a9b4..564322a 100644
--- a/IntelliTect.Utilities/IntelliTect.Utilities.sln
+++ b/IntelliTect.sln
@@ -3,7 +3,7 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.26206.0
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IntelliTect.Utilities", "IntelliTect.Utilities.csproj", "{6E9F4A6A-F611-4ECB-8AAC-B2079C0B9DF5}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IntelliTect.Utilities", "IntelliTect.Utilities\IntelliTect.Utilities.csproj", "{6E9F4A6A-F611-4ECB-8AAC-B2079C0B9DF5}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

From 678b74511f0aa4b859e526fb729e0cff29d3ab63 Mon Sep 17 00:00:00 2001
From: Kevin Bost <kitokeboo@gmail.com>
Date: Wed, 1 Mar 2017 16:41:22 -0800
Subject: [PATCH 2/2] Adding missing description and author for the nuget

---
 IntelliTect.Utilities/Properties/AssemblyInfo.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/IntelliTect.Utilities/Properties/AssemblyInfo.cs b/IntelliTect.Utilities/Properties/AssemblyInfo.cs
index 8019e40..cadaf7d 100644
--- a/IntelliTect.Utilities/Properties/AssemblyInfo.cs
+++ b/IntelliTect.Utilities/Properties/AssemblyInfo.cs
@@ -6,9 +6,9 @@
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
 [assembly: AssemblyTitle("IntelliTect.Utilities")]
-[assembly: AssemblyDescription("")]
+[assembly: AssemblyDescription("A utility library for IntelliTect")]
 [assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
+[assembly: AssemblyCompany("IntelliTect")]
 [assembly: AssemblyProduct("IntelliTect.Utilities")]
 [assembly: AssemblyCopyright("Copyright ©  2017")]
 [assembly: AssemblyTrademark("")]