GitVersion.targets

<?xml version="1.0" encoding="utf-8"?> 
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <!-- Copyright (C) 2023 Jefferson Montgomery
       SPDX-License-Identifier: MIT -->

  <!-- GVT options; set these properties before importing GitVersion.targets to override
      GVT_ReadBranch       Whether or not to read/set the GVT_BRANCH define
      GVT_ReadCommit       Whether or not to read/set the GVT_COMMIT define
      GVT_CommitHashLength How many characters of the hash to use in GVT_COMMIT (0==all)
      GVT_DirtySuffix      What suffix to use on the hash if the repository has modified files -->
  <PropertyGroup>
      <GVT_ReadBranch Condition="'$(GVT_ReadBranch)'==''">true</GVT_ReadBranch>
      <GVT_ReadCommit Condition="'$(GVT_ReadCommit)'==''">true</GVT_ReadCommit>

      <GVT_CommitHashLength Condition="'$(GVT_CommitHashLength)'==''">0</GVT_CommitHashLength>
      <GVT_CommitDirtySuffix Condition="'$(GVT_CommitDirtySuffix)'==''">-dirty</GVT_CommitDirtySuffix>
  </PropertyGroup>

  <!-- This is required so that Visual Studio knows about the defines and that they are strings.
  It's a bit annoying becasue I don't know how to replace them, so the compile command line will
  have duplicate defines (these empty ones, and then the correct ones later).  -->
  <ItemDefinitionGroup>
    <ClCompile>
      <PreprocessorDefinitions Condition="'$(GVT_ReadBranch)'=='true'">%(PreprocessorDefinitions);GVT_BRANCH="";</PreprocessorDefinitions>
      <PreprocessorDefinitions Condition="'$(GVT_ReadCommit)'=='true'">%(PreprocessorDefinitions);GVT_COMMIT="";</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
    </ClCompile>
  </ItemDefinitionGroup>

  <!-- This target reads the version and stores them as properties.  -->
  <Target Name="GVT_ReadVersion" BeforeTargets="PrepareForBuild">
    <Exec Condition="'$(GVT_ReadBranch)'=='true'"
          Command="git.exe rev-parse --abbrev-ref HEAD"
          ConsoleToMsBuild="true">
      <Output TaskParameter="ConsoleOutput" PropertyName="GVT_Branch" />
    </Exec>
    <Exec Condition="'$(GVT_ReadCommit)'=='true'"
          Command="git.exe describe --always --abbrev=$(GVT_CommitHashLength) --dirty=&quot;$(GVT_CommitDirtySuffix)&quot; --match=&quot; &quot;"
          ConsoleToMsBuild="true">
      <Output TaskParameter="ConsoleOutput" PropertyName="GVT_Commit" />
    </Exec>

    <ItemGroup Condition="'$(MSBuildProjectExtension)'=='.csproj'">
        <GVT_CSFileLine Include="public static class GVT {" />
        <GVT_CSFileLine Include="    public static readonly string COMMIT=&quot;$(GVT_Commit)&quot;%3B" />
        <GVT_CSFileLine Include="    public static readonly string BRANCH=&quot;$(GVT_Branch)&quot;%3B" />
        <GVT_CSFileLine Include="}" />
    </ItemGroup>
    <WriteLinesToFile Condition="'$(MSBuildProjectExtension)'=='.csproj'"
                      File="$(MSBUILDProjectDirectory)\GVT_GitVersion.cs"
                      Lines="@(GVT_CSFileLine)"
                      Overwrite="true" />
  </Target>

  <!-- This target adds the defines to any compiled files.  -->
  <Target Name="GVT_AddVersion" BeforeTargets="ClCompile">
      <ItemGroup>
        <ClCompile>
          <PreprocessorDefinitions>
            %(PreprocessorDefinitions);
            GVT_BRANCH="$(GVT_Branch)";
            GVT_COMMIT="$(GVT_Commit)";
          </PreprocessorDefinitions>
        </ClCompile>
      </ItemGroup>
  </Target>
</Project>