Git Branch cleaner

#!/bin/bash -
#===============================================================================
#
#          FILE: branch_clean.sh
#
#         USAGE: ./branch_clean.sh
#
#   DESCRIPTION: Go through your local git branches one-by-one and do a local delete
#                 of what you want. This will purposely skip master and release.
#
#       OPTIONS: ---
#  REQUIREMENTS: ---
#          BUGS: ---
#         NOTES: ---
#        AUTHOR: Matt <[email protected]>
#  ORGANIZATION:
#       CREATED: 04/25/2018 18:10
#      REVISION: 1.2
#===============================================================================

#set -o nounset                              # Treat unset variables as an error
set -f

RED='\033[0;31m'
GREEN='\033[0;32m'
NORMAL='\033[0m'
YELLOW='\033[0;33m'

echo "*****************************************"
echo -e "${GREEN}Git branch cleaner.${NORMAL}"
echo "*****************************************"
printf "Iterating through your ${GREEN}$1${NORMAL} branches."
printf '\n\n'

cd $1
BRANCHES=$(git branch | grep -v "master\|release")
for branch in $BRANCHES
do
  if [[ "$branch" != "*" ]]; then
    printf "Locally delete ${YELLOW}${branch}${NORMAL} (select r if you want to remote delete as well)? (y/n/r) "
    read -n1 answer
    printf '\n'
    if [[ $answer == "y" ]]; then
        "$(git branch -D ${branch})" > /dev/null 2>&1
    fi
    if [[ $answer == "r" ]]; then
        "$(git push origin --delete ${branch})" > /dev/null 2>&1
    fi
  fi
done

printf 'All clean!\n'