setproxy.sh

#!/bin/bash
echo "1 - Set proxy"
echo "2 - Remove proxy"
echo -e "Option: \c "

read  choice
if [ $choice -eq 1 ] ; then
    echo "Set proxy"
    read -p "Username:" username
    echo "Password for $username:"
    #
    # Password Read Source: mklement0 - Stackoverflow
    # http://stackoverflow.com/a/22940001
    #
    # Begin
    password=''
    while IFS= read -r -s -n1 char; do
      [[ -z $char ]] && { printf '\n'; break; } # ENTER pressed; output \n and break.
      if [[ $char == $'\x7f' ]]; then # backspace was pressed
        # Remove last char from output variable.
        [[ -n $password ]] && password=${password%?}
        # Erase '*' to the left.
        printf '\b \b'
      else
        # Add typed char to output variable.
        password+=$char
        # Print '*' in its stead.
        printf '*'
      fi
    done
    # End
    echo
    git config --global http.proxy http://'students\'$username:$password@proxyss.wits.ac.za:80
    git config --global https.proxy http://'students\'$username:$password@proxyss.wits.ac.za:80
    export http_proxy=http://'students\'$username:$password@proxyss.wits.ac.za:80
    export HTTP_PROXY=$http_proxy
    export no_proxy=localhost,127.0.0.1,.wits.ac.za
    export NO_PROXY=$no_proxy
    export https_proxy=$http_proxy
    export HTTPS_PROXY=$http_proxy
    export ftp_proxy=$http_proxy
    export FTP_PROXY=$http_proxy
    export all_proxy=$http_proxy
    export ALL_PROXY=$http_proxy

    echo "Proxy configured"
    echo

else

        echo "Remove proxy"
	git config --global --unset http.proxy
	git config --global --unset https.proxy
	unset http_proxy
        unset HTTP_PROXY
	unset https_proxy
        unset HTTPS_PROXY
	unset ftp_proxy
	unset FTP_PROXY
	unset all_proxy
	unset ALL_PROXY
    	unset NO_PROXY
	unset no_proxy
fi