Remove local git branch when it is linked to non-existing remote branch

rmbr

#!/usr/bin/env bash

# Based on https://stackoverflow.com/a/33548037
# Maybe we can add this: https://stackoverflow.com/a/32166469

echo "*** Local tracking branches with removed remote branches:"

# List files
git branch -vv | grep ': gone]'| grep -v "\*" | awk '{ print $1; }'

# Ask user
read -p "*** Remove those branches? (y/N) " -r -s -n 1
# Set default answer
[ -z "$REPLY" ] && REPLY="n"

# Delete or not
if [[ $REPLY =~ ^[Yy]$ ]]; then
  echo ">> Yes"
  echo "*** Removing following local branches:"
  git branch -vv | grep ': gone]'| grep -v "\*" | awk '{ print $1; }' | xargs -n 1 git branch -D
  echo "*** DONE!"
else
  echo ">> No"
  echo "*** Nothing to do"
fi