Remove Untracked Git Branches

prune-untracked-branches.sh

#! /bin/zsh

#
# @author Bryson Reece <hey@bryson.cc>
# @license none
#

CLEAR_ALL="\033[0m"
CLEAR_UL="\033[24m"
CLEAR_LNE="\033[0K"
FAINT="\033[2m"
UNDERLINE="\033[4m"
YELLOW="\033[33m"
YELLOW_BOLD="\033[1;33m"
GREEN_BOLD="\033[1;32m"
RED_BOLD="\033[1;31m"

# loop over all branches that are no longer on remote (except for main/staging) and ask if they should be deleted
for BRANCH in $(git fetch -p && git branch -vv | awk '/: gone]/{print $1}' | grep -x -v 'main\|staging'); do
    echo -en "\t\tPermanently delete the following untracked branch?  "
    echo -en "${YELLOW}${UNDERLINE}${BRANCH}${CLEAR_UL}${CLEAR_ALL}  "
    echo -en "[y/n]  "

    read -srq shouldDelete

    if [[ $shouldDelete == "y" ]]
    then
        echo -en "\r${CLEAR_LNE}${YELLOW_BOLD}[DELETING]${CLEAR_ALL}\t${BRANCH}  "
        git branch -D $BRANCH > /dev/null
        echo -e "\r${CLEAR_LNE}${RED_BOLD}${FAINT}[DELETED]${CLEAR_ALL}\t${FAINT}${BRANCH}${CLEAR_ALL}  "
    else
        echo -e "\r${CLEAR_LNE}${GREEN_BOLD}${FAINT}[SKIPPED]${CLEAR_ALL}\t${FAINT}${BRANCH}${CLEAR_ALL}  "
    fi
done