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1@echo off
2
3setlocal enableextensions enabledelayedexpansion
4
5for /f %%v in ('git --git-dir="%~dp0..\.git" describe --tags --match "v*"') do set version=%%v
6
7if not "%version%"=="" goto :gotversion
8
9if exist "%~dp0..\version.mk" goto :getversion
10
11echo Git cannot be found, nor can version.mk. Generating unknown version.
12
13set version=unknown
14
15goto :gotversion
16
17:getversion
18
19for /f "delims== tokens=2" %%v in (%~dps0..\version.mk) do set version=%%v
20
21set version=!version:^"=!
22set version=!version: =!
23
24:gotversion
25
26set version_out=#define %~2 "%version%"
27set version_mk=%~2 = "%version%"
28
29echo %version_out%> "%~1_temp"
30
31if %version%==unknown goto :skipgenerate
32
33echo # static version string; update manually every release.> "%~dp0..\version.mk"
34echo %version_mk%>> "%~dp0..\version.mk"
35
36:skipgenerate
37
38echo n | comp "%~1_temp" "%~1" > NUL 2> NUL
39
40if not errorlevel 1 goto exit
41
42copy /y "%~1_temp" "%~1"
43
44:exit
45
46del "%~1_temp"
47