@echo off
rem
rem This file is to be put into C:\Program Files\Git\cmd\ subdirectory
rem (or similar, depeding on where the msysGit package was installed)
rem to provide a shell prompt in the unix-like build environment on Windows.
rem
rem Currently supported on NT-class systems only (Windows XP and above).
rem
rem See also:
rem   README.txt
rem   http://wiki.openpilot.org/display/Doc/GCS+Development+on+Windows
rem
rem Based on the msys.bat file from the MSYS package 
rem   http://www.mingw.org/wiki/msys
rem

rem this should let run MSYS shell on x64
if "%PROCESSOR_ARCHITECTURE%" == "AMD64" (
  SET COMSPEC=%WINDIR%\SysWOW64\cmd.exe
)

rem some MSYS environment variables
if "x%MSYSTEM%" == "x" set MSYSTEM=MINGW32
if not "x%DISPLAY%" == "x" set DISPLAY=

rem --------------------------------------------------------------------------
rem To build the OpenPilot software we need few tools in the PATH.
rem Here we attempt to guess tools location using PATH or set them
rem directly using hard-coded locations, if not found in PATH.
rem You may want to update paths according to your installation.
rem --------------------------------------------------------------------------

set NOT_FOUND=

call :which PYTHON        "C:\Python27"                  python.exe
call :which CODESOURCERY  "C:\CodeSourcery\bin"          cs-make.exe
call :which QTSDK         "C:\Qt\2010.05\qt\bin"         qmake.exe
call :which QTMINGW       "C:\Qt\2010.05\mingw\bin"      mingw32-make.exe
call :which MSYSGIT       "%ProgramFiles%\Git\bin"       git.exe
call :which UNSIS         "%ProgramFiles%\NSIS\Unicode"  makensis.exe

if "%NOT_FOUND%" == "" goto set_path

echo:
echo Some tools were not found in the PATH or expected location:
for %%f in (%NOT_FOUND%) do echo   %%f
echo You may want to install them and/or update paths in the %0 file.
echo:

rem --------------------------------------------------------------------------
rem Provide a clean environment for command line build. We remove the
rem msysGit cmd subdirectory as well, so no recursive sh call can occur.
rem --------------------------------------------------------------------------

:set_path
set PATH=%SYSTEMROOT%\system32;%SYSTEMROOT%
set PATH=%MSYSGIT%;%QTMINGW%;%QTSDK%;%CODESOURCERY%;%PYTHON%;%UNSIS%;%PATH%
rem echo PATH: %PATH%

rem --------------------------------------------------------------------------
rem Start a shell.
rem Any shell script can be passed to it via command line of this batch file.
rem --------------------------------------------------------------------------

if not exist "%MSYSGIT%\bash.exe" goto no_bash
call %COMSPEC% /c "%MSYSGIT%\bash" --login -i %*
goto :eof

:no_bash
echo Cannot find bash, exiting with error
exit 1

rem --------------------------------------------------------------------------
rem Attempt to find executable in the PATH or at expected location.
rem --------------------------------------------------------------------------

:which
rem search in the PATH first
for %%F in (%3) do set FP=%%~$PATH:F
if exist "%FP%" goto found_in_path

rem search at expected location last
for %%F in (%2) do set FP=%%~F\%3
if exist "%FP%" goto found_directly

:not_found
for %%F in (%2) do set FP=%%~F
rem echo %3: not found, expected in %FP%
set FP=
set NOT_FOUND=%NOT_FOUND% %3
goto set

:found_in_path
for %%F in ("%FP%") do set FP=%%~dpsF
rem echo %3: found in the PATH: %FP%
goto set

:found_directly
for %%F in ("%FP%") do set FP=%%~dpsF
rem echo %3: found at: %FP%

:set
rem set results regardless of was it found or not
set %1=%FP%
rem echo %1=%FP%
goto :eof