git clone from behind a proxy

gitc

#!/bin/bash

repo_url=$1
read -s -p "Enter Password: " password
echo "Saving original proxy ... "
orig_proxy=$HTTP_PROXY
echo "getting username: $USERNAME"
echo "seeding the proxy with sweet love ..."
echo -ne '#####                     (33%)\r'
sleep 1
echo -ne '#############             (66%)\r'
sleep 1
echo -ne '#######################   (100%)\r'
echo -ne '\n'
HTTP_PROXY=`echo -n $HTTP_PROXY | sed -e "s/http:\/\/\(.*\)/http:\/\/$USERNAME:$password@\1/"`

git clone $1

#removing the love from the proxy
HTTP_PROXY=$orig_proxy
echo $HTTP_PROXY