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@ECHO OFF
REM Batch file output: %GIT_REV% variable, containing the git revision
SET GIT_REV=
REM Try wrapped msysgit - must be in the path
SET GITEXE=git.cmd
CALL %GITEXE% --help > NUL 2>&1
IF errorlevel 1 GOTO nowrapmsysgit
GOTO :extract
:nowrapmsysgit
REM Fallback on regular msysgit - must be in the path
SET GITEXE=git.exe
%GITEXE% --help > NUL 2>&1
IF errorlevel 9009 IF NOT errorlevel 9010 GOTO nomsysgit
GOTO :extract
:nomsysgit
REM Fallback on tgit.exe of TortoiseGit if available
SET GITEXE=tgit.exe
%GITEXE% --version > NUL 2>&1
IF errorlevel 9009 IF NOT errorlevel 9010 GOTO done
GOTO :extract
:extract
FOR /F "tokens=1-4 delims=-" %%A IN ('"%GITEXE% rev-list HEAD -n 1 --date=short --pretty=format:"%%cd-%%h""') DO (
SET GIT_REV=%%A%%B%%C-%%D
)
echo %GIT_REV%
:done
SET GITEXE=
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