@echo off setlocal enableextensions enabledelayedexpansion for /f %%v in ('git --git-dir="%~dp0..\.git" describe --tags --match "v*"') do set version=%%v if not "%version%"=="" goto :gotversion if exist "%~dp0..\version.mk" goto :getversion echo Git cannot be found, nor can version.mk. Generating unknown version. set version=unknown goto :gotversion :getversion for /f "delims== tokens=2" %%v in (%~dps0..\version.mk) do set version=%%v set version=!version:^"=! set version=!version: =! :gotversion set version_out=#define %2 "%version%" set version_mk=%2 = "%version%" echo %version_out%> "%1_temp" if %version%==unknown goto :skipgenerate echo # static version string; update manually every release.> "%~dp0..\version.mk" echo %version_mk%>> "%~dp0..\version.mk" :skipgenerate echo n | comp "%1_temp" "%1" > NUL 2> NUL if not errorlevel 1 goto exit copy /y "%1_temp" "%1" :exit del "%1_temp"