rm -rf mongodb-scons
mkdir mongodb-scons
python2 -m pip download -d `pwd`/mongodb-scons \
    scons typing cheetah PyYAML regex
# --no-binary :all:
tar -c -f- mongodb-scons | xz -9 >mongodb-scons-`date '+%Y%m%d'`.tar.xz
rm -rf mongodb-scons
