Remove merged git branches

remove-merged-branches.sh

#!/bin/sh

REMOTE=${1:-origin}
BRANCH=$(git symbolic-ref -q HEAD) || BRANCH='(unknown branch)'
BRANCH=${BRANCH##refs/heads/}

REMOTE_MERGED=$( git branch -r --merged |
grep -v master |
grep -v "$BRANCH" |
sed -n "s,$REMOTE/,,p"
)
if [ "x$REMOTE_MERGED" != "x" ]
then
    echo "Delete these merged remote branches?"
    echo $REMOTE_MERGED
    read -p "[y/n] " DELETE_REMOTE
    if [ "$DELETE_REMOTE" == "y" ]
    then
        echo $REMOTE_MERGED | xargs -L3 git push --delete "$REMOTE"
    fi
fi

LOCAL_MERGED=$( git branch --merged |
grep -Ev '^\*|master'
)
if [ "x$LOCAL_MERGED" != "x" ]
then
    echo "Delete these merged local branches?"
    echo $LOCAL_MERGED
    read -p "[y/n] " DELETE_LOCAL
    if [ "$DELETE_LOCAL" == "y" ]
    then
        echo $LOCAL_MERGED | xargs -L10 git branch -d
    fi
fi