@echo off

if [%1]==[] goto usage

set _pyrepo=%1

if not exist "%_pyrepo%\Lib" (

echo "%_pyrepo% does not look like a CPython repo (no Lib directory)."

goto :fail

)

for /f %%I in ('hg -R "%_pyrepo%" id -i') do set _hgrev=%%I

set _stdlibdir=%~dp0

pushd "%_stdlibdir%"

git diff-index --quiet HEAD

if "%ERRORLEVEL%" NEQ "0" (

echo "There are uncomitted changes. Commit or stash before proceeding."

goto :fail

)

for /f %%I in ('git rev-parse --abbrev-ref HEAD') do set _curbranch=%%I

if "%_curbranch%" NEQ "python-stdlib" (

echo "This should only be run on the python-stdlib branch (on %_curbranch%)."

goto :fail

)

robocopy "%_pyrepo%\Lib" "%_stdlibdir%Lib" /MIR /R:1 /W:1 /XD plat-* /XD __pycache__ /XF *.pyc

git update-index --refresh -q > NUL

git add -A "%_stdlibdir%/Lib"

git diff-index --quiet HEAD

if "%ERRORLEVEL%" EQU "0" (

echo "No changes found."

) else (

git commit -am "Import python stdlib @ %_hgrev%"

)

goto :exit

:usage

echo %~n0 ^<path^\to^\cpython^>

exit /B 1

:fail

exit /B 1

:exit