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@echo off
setlocal
rem Simple script to fetch source for external libraries


if not exist "%~dp0..\externals" mkdir "%~dp0..\externals"
pushd "%~dp0..\externals"



if "%SVNROOT%"=="" set SVNROOT=http://svn.python.org/projects/external/

rem Optionally clean up first.  Be warned that this can be very destructive!

if not "%1"=="" (

    for %%c in (-c --clean --clean-only) do (

        if "%1"=="%%c" goto clean
    )
    goto usage
)
goto fetch

:clean
echo.Cleaning up external libraries.
for /D %%d in (
               bzip2-*
               db-*
               nasm-*
               openssl-*
               tcl-*
               tcltk*
               tk-*
               tix-*
               sqlite-*
               xz-*
               ) do (
    echo.Removing %%d
    rmdir /s /q %%d
)
if "%1"=="--clean-only" (

    goto end

)



:fetch

rem Fetch current versions



svn --version > nul 2>&1

if ERRORLEVEL 9009 (

    echo.svn.exe must be on your PATH.

    echo.Try TortoiseSVN (http://tortoisesvn.net/^) and be sure to check the

    echo.command line tools option.

    popd

    exit /b 1

)



echo.Fetching external libraries...



set libraries=

set libraries=%libraries%                                    bzip2-1.0.6

if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     nasm-2.11.06
if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     openssl-1.0.2g

set libraries=%libraries%                                    sqlite-3.8.11.0

if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-core-8.6.4.2
if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.6.4.2

if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tix-8.4.3.6
set libraries=%libraries%                                    xz-5.0.5

for %%e in (%libraries%) do (
    if exist %%e (
        echo.%%e already exists, skipping.
    ) else (
        echo.Fetching %%e...
        svn export %SVNROOT%%%e
    )
)

goto end

:usage
echo.invalid argument: %1
echo.usage: %~n0 [[ -c ^| --clean ] ^| --clean-only ]
echo.
echo.Pull all sources necessary for compiling optional extension modules
echo.that rely on external libraries.  Requires svn.exe to be on your PATH
echo.and pulls sources from %SVNROOT%.
echo.
echo.Use the -c or --clean option to clean up all external library sources
echo.before pulling in the current versions.
echo.
echo.Use the --clean-only option to do the same cleaning, without pulling in
echo.anything new.
echo.
echo.Only the first argument is checked, all others are ignored.
echo.
echo.**WARNING**: the cleaning options unconditionally remove any directory
echo.that is a child of
echo.   %CD%
echo.and matches wildcard patterns beginning with bzip2-, db-, nasm-, openssl-,
echo.tcl-, tcltk, tk-, tix-, sqlite-, or xz-, and as such has the potential
echo.to be very destructive if you are not aware of what it is doing.  Use with
echo.caution!
popd
exit /b -1


:end
echo Finished.
popd