prune-branches.sh

#!/bin/bash

echo "Comparing current with remote:"
echo
git fetch --dry-run --prune
echo
read -p "Press enter to fetch the changes and prune the deleted branches..."
echo
git fetch --prune
echo
echo "The following locale branches are merged in origin/master and will be deleted:"
branches=$(git branch --merged origin/master | egrep -v "^\*?\s+master$" | sed -r 's/\*\s+//')
echo "$branches"
read -p "Press enter to continue or Ctrl+C to abort..."
echo
echo "$branches" | xargs -n 1 git branch -d