Chris@69: @echo off
Chris@69: 
Chris@69: setlocal enableextensions enabledelayedexpansion
Chris@69: 
Chris@69: for /f %%v in ('cd "%~dp0.." ^&^& git status ^>NUL 2^>NUL ^&^& git describe --tags --match "v*" --dirty 2^>NUL') do set version=%%v
Chris@69: 
Chris@69: if not "%version%"=="" set version=!version:~1! && goto :gotversion
Chris@69: 
Chris@69: if exist "%~dp0..\package_version" goto :getversion
Chris@69: 
Chris@69: echo Git cannot be found, nor can package_version. Generating unknown version.
Chris@69: 
Chris@69: set version=unknown
Chris@69: 
Chris@69: goto :gotversion
Chris@69: 
Chris@69: :getversion
Chris@69: 
Chris@69: for /f "delims== tokens=2" %%v in (%~dps0..\package_version) do set version=%%v
Chris@69: set version=!version:"=!
Chris@69: 
Chris@69: :gotversion
Chris@69: 
Chris@69: set version=!version: =!
Chris@69: set version_out=#define %~2 "%version%"
Chris@69: 
Chris@69: echo %version_out%> "%~1_temp"
Chris@69: 
Chris@69: echo n | comp "%~1_temp" "%~1" > NUL 2> NUL
Chris@69: 
Chris@69: if not errorlevel 1 goto exit
Chris@69: 
Chris@69: copy /y "%~1_temp" "%~1"
Chris@69: 
Chris@69: :exit
Chris@69: 
Chris@69: del "%~1_temp"