This bash script sets/unsets the http and https proxies for git

git-proxy.sh

#!/bin/bash

###
# This bash script sets/unsets the http and https proxies for git
###

# get the scripts name for the usage message
_filename=$0

# verbose mode deactivated
verbose=false

# Global variables
SET=1 # Default set proxies

# Display usage message function
usage(){
    echo "Usage:"
    echo -e "\t$_filename -h          Display usage message"
    echo -e "\t$_filename [-v]        Verbose mode"
    echo -e "\t$_filename [-u]        Set/Unset Git proxies"
}

# Verbose print function
verbose_print(){
  if $verbose
  then
    echo "$1"
  fi
}

if [ ! 0 == $# ] # If options provided then 
then
    while getopts "hvu" opt; do # Go through the options
        case $opt in
            h ) # Help
                usage
                exit 0 # Exit correctly
            ;;
            u ) # Unset Git proxies
                SET=0
            ;;
            v ) # Verbose
                echo "Verbose mode activated..."
                verbose=true
            ;;
            ? ) # Invalid option
                usage
                exit 1 # Exit with erro
            ;;
        esac
    done
fi

if [ $SET = 1 ]
then
  verbose_print "Setting HTTP Proxy.."
  git config --global http.proxy "http://<username>:<password>@proxy.aholdusa.com:8080"
  verbose_print "Setting HTTPS Proxy..."
  git config --global https.proxy "https://<username>:<password>@proxy.aholdusa.com:8080"
  echo "- Git Proxies set -"
else
  verbose_print "Unsetting HTTP Proxy"
  git config --global --unset http.proxy
  verbose_print "Unsetting HTTPS Proxy"
  git config --global --unset https.proxy
  echo "- Git Proxies unset -"
fi