MSBuild targets for git and other build versioning infomations

buildVersion.js

define(function() {
  return {
    gitCommitHash: "${gitCommitHash}",
    gitBranchDirty: ${gitPendingChanges},
    gitBranch: "${gitBranch}",
    buildEnv: "${buildEnv}",
    buildTime: "${buildTime}",
    buildConfiguration: "${buildConfiguration}",
    buildPlatform: "${buildPlatform}"
  };
});

buildVersion.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <MSBuildCommunityTasksPath>$(SolutionDir)\.build</MSBuildCommunityTasksPath>
  </PropertyGroup>
  <Import Project="$(MSBuildCommunityTasksPath)\MSBuild.Community.Tasks.Targets" />

  <Target Name="CreateBuildVersion">
    <PropertyGroup>
      <BuildTime>$([System.DateTime]::UtcNow.ToString("yyyy-MM-dd HH:mm:ss"))</BuildTime>
    </PropertyGroup>

    <GitVersion LocalPath="$(SolutionDir)">
       <Output TaskParameter="CommitHash" PropertyName="GitCommitHash" />
    </GitVersion>

    <GitBranch LocalPath="$(SolutionDir)">
       <Output TaskParameter="Branch" PropertyName="GitBranch" />
    </GitBranch>

    <GitPendingChanges>
      <Output TaskParameter="HasPendingChanges" PropertyName="GitPendingChanges"/>
    </GitPendingChanges>

    <Computer>
       <Output TaskParameter="Name" PropertyName="BuildMachineName" />
       <Output TaskParameter="OSPlatform" PropertyName="BuildMachineOSPlatform" />
       <Output TaskParameter="OSVersion" PropertyName="BuildMachineOSVersion" />
    </Computer>

    <ItemGroup>
      <TemplateContext Include="gitCommitHash">
        <ReplacementValue>$(GitCommitHash)</ReplacementValue>
      </TemplateContext>

      <TemplateContext Include="gitPendingChanges">
        <!-- The GitPendingChanges is True/False, and we want to see a '+' if its true and nothing if its false
          So we chain replace 'True' with '+' and if it was 'False' with an empty string.
          Maybe there is a better way to do that?
         -->
         <ReplacementValue>$(GitPendingChanges.Replace('True', 'true').Replace('False','false'))</ReplacementValue>
      </TemplateContext>
      
      <TemplateContext Include="gitBranch">
        <ReplacementValue>$(GitBranch)</ReplacementValue>
      </TemplateContext>

      <TemplateContext Include="buildEnv">
        <ReplacementValue>$(BuildMachineName) $(BuildMachineOSPlatform) $(BuildMachineOSVersion)</ReplacementValue>
      </TemplateContext>
      <TemplateContext Include="buildTime">
        <ReplacementValue>$(BuildTime)</ReplacementValue>
      </TemplateContext>
      <TemplateContext Include="buildConfiguration">
        <ReplacementValue>$(Configuration)</ReplacementValue>
      </TemplateContext>
      <TemplateContext Include="buildPlatform">
        <ReplacementValue>$(Platform)</ReplacementValue>
      </TemplateContext>
    </ItemGroup>
    <TemplateFile Template="$(MSBuildThisFileDirectory)buildVersion.js" OutputFilename="$(ProjectDir)js\buildVersion.js" Tokens="@(TemplateContext)"/>
  </Target>
</Project>

example buildVersion.js

define(function() {
  return {
    gitCommitHash: "75f0708",
    gitBranchDirty: true,
    gitBranch: "making_it_work_again",
    buildEnv: "somedevmachine Win32NT 6.3",
    buildTime: "2014-06-18 22:12:08",
    buildConfiguration: "Debug",
    buildPlatform: "x86"
  };
});

example.js

define(["buildVersion"], function(buildVersion) {
  if (buildVersion.buildConfiguration === "Debug") {
    // Do something only in debug version
  }
});