From 66ddfcdaffc596792eb8d4256bda23b07da8aa16 Mon Sep 17 00:00:00 2001
From: Andrew Schwartzmeyer <andschwa@microsoft.com>
Date: Wed, 1 Jun 2016 11:13:49 -0700
Subject: [PATCH] Make git describe work relative to script

So that you don't have to watch your CWD when running commands from the
build module.
---
 build.psm1 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/build.psm1 b/build.psm1
index a2274492ff..bb1fed04ac 100644
--- a/build.psm1
+++ b/build.psm1
@@ -53,7 +53,8 @@ function Start-PSBuild {
         [string]$msbuildConfiguration = "Release"
     )
 
-    git describe --dirty --abbrev=60 > "$psscriptroot/powershell.version"
+    # save Git description to file for PowerShell to include in PSVersionTable
+    git --git-dir="$PSScriptRoot/.git" describe --dirty --abbrev=60 > "$psscriptroot/powershell.version"
 
     # simplify ParameterSetNames
     if ($PSCmdlet.ParameterSetName -eq 'FullCLR') {