anchor.diff:  if not exist include/gpac/revision.h goto Abort
   
   REM check if found a local commit which has not been pushed
  -for /f "delims=" %%a in ('git diff  master..origin/master') do @set diff=%%a
  +for /f "delims=" %%a in ('git diff FETCH_HEAD') do @set diff=%%a
   echo diff = %diff%
  -if "%diff"=="" goto RevisionAbort
  +if not "%diff%"=="" goto RevisionAbort
   
   REM execute git and check if the result if found within revision.h
   for /f "delims=" %%a in ('git describe --tags --long') do @set VERSION=%%a
  
positive.code: REM ============================================
  echo Check NSIS is in your PATH
  REM ============================================
  if "%PROCESSOR_ARCHITECTURE%" == "AMD64" ( 
      SET "PRGROOT=%programfiles(x86)%" 
  ) 
  if "%PROCESSOR_ARCHITECTURE%" == "x86" ( 
      SET PRGROOT=%programfiles% 
  )
  
  set NSIS_EXEC="%PRGROOT%\NSIS\makensis.exe"
  
negative.code: @echo off
  set OLDDIR=%CD%
  cd /d %~dp0
  REM ============================================
  