#!/bin/bash

diffstat="$(git diff --staged --numstat | awk '{print ($1 + $2), $3}' | sort -k1nr)"
count=$(echo "$diffstat" | wc -l)
if [[ -z "$diffstat" ]]; then
    echo "No staged changes to describe" >&2
    exit 1
fi

file=$(echo "$diffstat" | head -n1 | cut -f2 -d' ')

if [[ $count -eq 1 ]]; then
    echo "Update $file"
elif [[ $count -gt 1 ]]; then
    echo "Update \`$file\` and $((count - 1)) other files"
fi


exit 0