From 268f3de1db67098ed4e4b96110159190667a1147 Mon Sep 17 00:00:00 2001
From: Steve Dower <steve.dower@microsoft.com>
Date: Fri, 6 Feb 2015 09:02:54 -0800
Subject: Require Mercurial on PATH when building a Windows release. Without
 it, we will generate invalid build information for sys.version

---
 Tools/msi/buildrelease.bat | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Tools/msi/buildrelease.bat b/Tools/msi/buildrelease.bat
index b39f13e..d441250 100644
--- a/Tools/msi/buildrelease.bat
+++ b/Tools/msi/buildrelease.bat
@@ -44,6 +44,9 @@ call "%D%..\..\doc\make.bat" htmlhelp
 if errorlevel 1 goto :eof
 :skipdoc
 
+where hg >nul 2>nul
+if errorlevel 1 echo Cannot find hg on PATH & exit /B 1
+
 where dlltool 2>nul >"%TEMP%\dlltool.loc"
 if errorlevel 1 dir "%D%..\..\externals\dlltool.exe" /s/b > "%TEMP%\dlltool.loc"
 if errorlevel 1 echo Cannot find binutils on PATH or in externals & exit /B 1
-- 
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