#!/bin/sh

test "$#" -gt 0 || { echo "Usage: $0 <file>"; exit 1; }
combined=t
while test "$#" -gt 0
do
	case "$1" in
	-c|--combined)
		combined=t
	;;
	-i|--individual)
		combined=
	;;
	--)
		shift
		break
	;;
	*)
		break
	;;
	esac
	shift
done

sort_enumerate ()
{
	sed -e 's/[^(]*(\([^0-9]*\).*/\1/' -e 's/[\t ]*$//' \
		| sort | uniq -c | sort -nr
}

show_owners ()
{
	for f in "$@"; do
		test -d "$f" && { show_owners "$f"/*; continue; }

		git blame -C -C -M "$f"
	done
}

if test "$combined" = t; then
	echo "$@"
	show_owners "$@" | sort_enumerate
else
	echo "Showing one-at-a-time ownership"
	for f in "$@"; do
		echo "$f"
		show_owners "$f" | sort_enumerate
	done
fi