Script to cleanup git branches

git-cleanup

#!/bin/sh

current_branch=$(git symbolic-ref HEAD | awk -F / '{print $3}')
if [ "$current_branch" != "master" ]; then
    echo "WARNING: You are on branch $current_branch, NOT master."
fi

echo "Fetching merged branches..."
git remote prune origin
remote_branches=$(git branch -r --merged | grep -v '/master$' | grep -v "/$current_branch$")
local_branches=$(git branch --merged | grep -v 'master$' | grep -v "$current_branch$")

if [ -z "$remote_branches" ] && [ -z "$local_branches" ]; then
    echo "No existing branches have been merged into $current_branch."
    exit
fi

echo "This will remove the following branches:"
if [ -n "$remote_branches" ]; then
    echo "$remote_branches"
fi
if [ -n "$local_branches" ]; then
    echo "$local_branches"
fi
read -p "Continue? (y/n): " -n 1 choice
echo
if [ "$choice" == "y" ] || [ "$choice" == "Y" ]; then
    # Remove remote branches
    git push origin $(echo $remote_branches | sed 's/origin\//:/g' | tr -d '\n')
    # Remove local branches
    git branch -d $(echo $local_branches | sed 's/origin\///g' | tr -d '\n')
else
    echo "No branches removed."
fi