yum3.sh python3 to python2 switcher (and fallback) for YUM

#!/bin/bash
# YUM3.sh
# v201303050112
# [Tested on Fedora 18 x86_64 - yum-3.4.3-51 + python-2.7.3-13 + python3-3.3.0-1]

# yum refuses to deal with python3 as default python version
# here's a simple and dirt python version switcher
# just copy to /bin/ and launch from your path as you would as usual
# [sudo] yum3 [options] [command] [package ...]

if [ -L /bin/python3 ] ; then
    echo -e "\e[00;31m * Switching to Python2 for YUM's sake \e[00m"
    # removing symlink && creating symlink to python2
    rm -f /bin/python && ln -s /bin/python2 /bin/python
    /bin/yum $@
    echo -e "\e[00;31m * Falling back to Python3 \e[00m"
    # removing symlink && creating back symlink to python3
    rm -f /bin/python && ln -s /bin/python3 /bin/python
else
    echo -e "\e[00;31m * No symlink found, refusing to proceed \e[00m"
fi

exit 0