Git: Prune Merged Branches

git_prune_merged_branches.sh

#!/bin/bash
set -e

git fetch --all --prune


localBranches=$(git branch --merged origin/master | sed 's/^[ *]\+//' | grep -v '^master$' || echo '')

if [[ -z "$localBranches" ]]; then 
    echo "No local merged branches found."
else
    echo "Local Merged Branches:"
    echo -e "\n${localBranches}\n"
    read -p "Delete these local branches (y/N)?"

    if [[ "$REPLY" == "y" || "$REPLY" == "Y" ]]; then 
        echo "$localBranches" | xargs -r -d'\n' git branch --delete
    fi
fi


remoteBranches=$(git branch --remotes --merged origin/master | sed 's/^[ *]\+//' | grep '^origin/' | grep -v '/master$' | sed 's/^origin\///' || echo '')

if [[ -z "$remoteBranches" ]]; then 
    echo "No remote merged branches found."
else
    echo "Remote Merged Branches:"
    echo -e "\n${remoteBranches}\n"
    read -p "Delete these remote branches (y/N)?"

    if [[ "$REPLY" == "y" || "$REPLY" == "Y" ]]; then 
        echo "$remoteBranches" | xargs -r -d'\n' git push --delete origin
    fi
fi


git fetch --all --prune