Embed last git commit hash in binary.

.gitignore

@@ -1,3 +1,7 @@
+# Extras
+# The commit hash file generated before the build process
+git-hash.txt
+
 # ---> C Sharp
 # Build Folders (you can keep bin if you'd like, to store dlls and pdbs)
 [Bb]in/

cscz/cscz.csproj

@@ -46,5 +46,9 @@
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
     <EmbeddedResource Include="Help.md" />
+    <EmbeddedResource Include="git-hash.txt" />
   </ItemGroup>
-</Project>
+  <PropertyGroup>
+    <PreBuildEvent IgnoreExitCode="true">git rev-parse HEAD &gt;../../git-hash.txt</PreBuildEvent>
+  </PropertyGroup>
+</Project>