Remove local branches that merged into the specified branch

aliases.zsh

# Example Usage: gpb develop
# Removes any branches that were already merged into develop
gpb() {
  BRANCH=$1
  BRANCHES_TO_CLEAN=$(git branch --merged=$BRANCH | grep -v $BRANCH)

  echo "Branches that have been merged to develop:"
  echo $BRANCHES_TO_CLEAN
  read -q "REPLY?Remove branches? (y/n)"
  echo ""
  if [ "$REPLY" != "y" ]; then
    echo "Response was not \"y\", aborting..."
    return
  fi

  echo "Removing branches from local"

  for i in `echo $BRANCHES_TO_CLEAN`; do
    git branch -D $i
  done
  echo "Done."
}