git-merged - Delete local branches that have been merged in

git-merged

#!/usr/bin/env bash
# git-merged
# Delete local branches that have been merged in

# Compare against current branch
branch="$(git branch --show-current)"

# Compare to branch, when merged in
head="$(git reflog show HEAD -1 | tail -n1 | awk '{ print $1 }')"

branches="$(git branch --merged $branch | \
  grep -Ev "(^\*|main|master|develop|dev|production|staging|release)" | \
  perl -p -w -e 's/^\s+//g')"
IFS=$'\n' aBranches=(${branches})
branchCount=${#aBranches[*]}

if [ "$branchCount" == 0 ]; then
    echo -e "Nothing to remove.\n"
else
    bold=$(tput bold)
    normal=$(tput sgr0)

    # find merged branches
    echo "${bold}Merged branches:${normal}"
    echo "${branches}"

    # confirm delete
    echo && read -p "${bold}Delete branches?${normal} Y/y " -n 1 -r && echo
    if [[ "$REPLY" =~ ^[Yy]$ ]]; then
        for branch in ${aBranches[@]}; do
            git branch -d "${branch}"
        done
    fi
fi