Removes any local branches except for main/master and pulls the latest changes from the origin. It's helpful to run once a feature has been merged

git-unbranch

#!/usr/bin/env sh

set -e

master_names='main|master'
branch_regexp='s/[^A-Za-z0-9_\/-]*//g'

master_branch="$(git branch | grep -E "${master_names}" | sed "${branch_regexp}" | head -n 1)"
branches="$(git branch | grep -v -E "${master_names}" | sed  "${branch_regexp}")"

echo "Master branch: ${master_branch}"

echo 'Are you sure you want to delete these branches:'
echo "${branches}"
read -p "? [y/n]" choice
case "$choice" in
  y|Y)
    git checkout "${master_branch}"
    git pull -p
    git branch -D $(echo "${branches}" | xargs)
    ;;
  *)
    echo Canceled
esac