cannam@154: @echo off
cannam@154: 
cannam@154: setlocal enableextensions enabledelayedexpansion
cannam@154: 
cannam@154: for /f %%v in ('cd "%~dp0.." ^&^& git status ^>NUL 2^>NUL ^&^& git describe --tags --match "v*" --dirty 2^>NUL') do set version=%%v
cannam@154: 
cannam@154: if not "%version%"=="" set version=!version:~1! && goto :gotversion
cannam@154: 
cannam@154: if exist "%~dp0..\package_version" goto :getversion
cannam@154: 
cannam@154: echo Git cannot be found, nor can package_version. Generating unknown version.
cannam@154: 
cannam@154: set version=unknown
cannam@154: 
cannam@154: goto :gotversion
cannam@154: 
cannam@154: :getversion
cannam@154: 
cannam@154: for /f "delims== tokens=2" %%v in (%~dps0..\package_version) do set version=%%v
cannam@154: set version=!version:"=!
cannam@154: 
cannam@154: :gotversion
cannam@154: 
cannam@154: set version=!version: =!
cannam@154: set version_out=#define %~2 "%version%"
cannam@154: 
cannam@154: echo %version_out%> "%~1_temp"
cannam@154: 
cannam@154: echo n | comp "%~1_temp" "%~1" > NUL 2> NUL
cannam@154: 
cannam@154: if not errorlevel 1 goto exit
cannam@154: 
cannam@154: copy /y "%~1_temp" "%~1"
cannam@154: 
cannam@154: :exit
cannam@154: 
cannam@154: del "%~1_temp"