git-delete-pruned

#!/bin/bash

set -e  # Exit immediately if a command exits with a non-zero status

# Parse command line arguments
dry_run=false
force=false

while [[ $# -gt 0 ]]; do
    case $1 in
        -d|--dry-run)
            dry_run=true
            shift
            ;;
        -f|--force)
            force=true
            shift
            ;;
        *)
            echo "Unknown option: $1"
            echo "Usage: $(basename "$0") [-d|--dry-run] [-f|--force]"
            exit 1
            ;;
    esac
done

# Function to handle errors
error_handler() {
    echo "Error: An error occurred during script execution"
    exit 1
}

# Set up error handling
trap error_handler ERR

# Fetch and prune remote branches first
echo "Fetching and pruning remote branches..."
git fetch --prune || {
    echo "Error: Failed to fetch from remote. Please check your network connection and try again."
    exit 1
}

# Get list of local branches that were tracking remote branches
stale_branches=$(git branch -vv | grep ': gone]' | awk '{print $1}' || true)

# If we found any stale branches, show/delete them
if [ -n "$stale_branches" ]; then
    if [ "$dry_run" = true ]; then
        echo "[DRY RUN] The following branches would be deleted:"
        echo "$stale_branches"
    else
        if [ "$force" = true ]; then
            while IFS= read -r branch; do
                git branch -D "$branch"
            done <<< "$stale_branches"

            echo "The following branches were deleted as their remote tracking branches are gone:"
            echo "$stale_branches"
            echo
        else
            echo "The following branches will be deleted as their remote tracking branches are gone:"
            echo "$stale_branches"
            echo

            read -p "Do you want to proceed with deletion? [y/N] " confirm
            if [[ $confirm =~ ^[Yy]$ ]]; then
                while IFS= read -r branch; do
                    git branch -D "$branch"
                done <<< "$stale_branches"
            else
                echo "Operation cancelled."
                exit 0
            fi
        fi
    fi
else
    echo "No stale branches found."
fi