From 6969225c4749255fd04363ac6e4ffe7fdfe33ad7 Mon Sep 17 00:00:00 2001
From: Brandon Ording <bording@gmail.com>
Date: Sat, 25 Aug 2018 19:26:11 -0400
Subject: [PATCH] Improve GenerateUniqueIdentifierCs

---
 Targets/CodeGenerator.targets | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Targets/CodeGenerator.targets b/Targets/CodeGenerator.targets
index ae73a4725..249cd4f38 100644
--- a/Targets/CodeGenerator.targets
+++ b/Targets/CodeGenerator.targets
@@ -12,15 +12,17 @@
   </Target>
 
 
-  <Target Name="GenerateUniqueIdentifierCs" Inputs="$(MSBuildThisFileFullPath);$(MSBuildAllProjects);@(Compile)" Outputs="$(UniqueIdentifierPath)" BeforeTargets="CoreCompile" DependsOnTargets="DefineProperties">
+  <Target Name="GenerateUniqueIdentifierCs" Inputs="$(VersionSourceFile)" Outputs="$(UniqueIdentifierPath)" BeforeTargets="CoreCompile" AfterTargets="GenerateAssemblyVersionInfo" DependsOnTargets="DefineProperties">
 
     <PropertyGroup>
+      <UniqueIdentifier>$([System.Guid]::NewGuid())</UniqueIdentifier>
+      <UniqueIdentifier Condition="'$(GitCommitId)' != ''">$(GitCommitId)</UniqueIdentifier>
       <UniqueIdSourceLines>
         namespace LibGit2Sharp.Core
         {
         internal static class UniqueId
         {
-        public const string UniqueIdentifier = "$([System.Guid]::NewGuid())"%3b
+        public const string UniqueIdentifier = "$(UniqueIdentifier)"%3b
         }
         }
       </UniqueIdSourceLines>