get_git_version.xml

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <PropertyGroup>
    <MajorVersion>1.2</MajorVersion>
  </PropertyGroup>

  <UsingTask TaskName="GitVersion" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" >
    <ParameterGroup>
      <CommitCount ParameterType="System.Int32" Output="true" />
    </ParameterGroup>
    <Task>
      <!--<Reference Include="" />-->
      <Using Namespace="System"/>
      <Using Namespace="System.Diagnostics"/>
      <Code Type="Fragment" Language="cs">
        <![CDATA[
var psi = new ProcessStartInfo("cmd", "/c git rev-list --count HEAD") {
UseShellExecute = false,
ErrorDialog = false,
CreateNoWindow = false,
WorkingDirectory = ".",
RedirectStandardOutput = true,
RedirectStandardError = true
};

string result;
using (var p = Process.Start(psi)) {
p.WaitForExit();
if (p.ExitCode != 0) {
Log.LogMessage("Could not get Git rev.number");
CommitCount = 0;

} else {
using (var standardOutput = p.StandardOutput) {
CommitCount = Int32.Parse(standardOutput.ReadToEnd());
}
}
}
]]>
      </Code>
    </Task>
  </UsingTask>
</Project>