Bash script to remove git branches and remote tracking branches (named the same thing in your origin remote)

git-clean-branches.sh

#!/bin/bash                                                                                                                                                                                                        
                                                                                                                                                                                                                   
RED='\033[1;31m'                                                                                                                                                                                                   
YELLOW='\033[1;33m'                                                                                                                                                                                                
WHITE='\033[1;37m'                                                                                                                                                                                                 
GREEN='\033[1;32m'                                                                                                                                                                                                 
NO_COLOR='\033[0m'                                                                                                                                                                                                 
                                                                                                                                                                                                                   
if [ ! -d ".git" ] || !(git rev-parse --git-dir > /dev/null 2>&1); then                                                                                                                                            
    echo -e "${YELLOW}No git repository found here${NO_COLOR}"                                                                                                                                                     
    exit 1                                                                                                                                                                                                         
fi                                                                                                                                                                                                                 
                                                                                                                                                                                                                   
BRANCHES=$(git for-each-ref --format '%(refname)' refs/heads/ | cut -d/ -f3)                                                                                                                                       
for CURRENT_BRANCH in $BRANCHES; do                                                                                                                                                                                
    if [ "$CURRENT_BRANCH" = "master" ]; then                                                                                                                                                                      
        echo -e "Skipping master branch..."                                                                                                                                                                        
        continue                                                                                                                                                                                                   
    fi                                                                                                                                                                                                             
    echo -e "Do you want to remove ${WHITE}$CURRENT_BRANCH${NO_COLOR} ?[Y/n/exit]"                                                                                                                                 
    read CHOICE                                                                                                                                                                                                    
    case $CHOICE in                                                                                                                                                                                                
        y|Y|'')                                                                                                                                                                                                    
            echo -e "${RED}Deleting branch...${NO_COLOR}"                                                                                                                                                          
            git push origin :$CURRENT_BRANCH                                                                                                                                                                       
            git branch -D $CURRENT_BRANCH                                                                                                                                                                          
            ;;                                                                                                                                                                                                     
        n|N)                                                                                                                                                                                                       
            echo -e "Skipping..."                                                                                                                                                                                  
            ;;                                                                                                                                                                                                     
        'exit')                                                                                                                                                                                                    
            break                                                                                                                                                                                                  
            ;;                                                                                                                                                                                                     
        *)                                                                                                                                                                                                         
            echo -e "${YELLOW}Invalid Input.${NO_COLOR} Skipping..."                                                                                                                                               
            echo -e "Usage: 'y'(default), 'n', or 'exit'"                                                                                                                                                          
            ;;                                                                                                                                                                                                     
    esac                                                                                                                                                                                                           
done                                                                                                                                                                                                               
                                                                                                                                                                                                                   
echo -e "${GREEN}Done${NO_COLOR}"