#!/usr/bin/sh

# If using normal root, avoid changing anything.
if [ -z "$RPM_BUILD_ROOT" ] || [ "$RPM_BUILD_ROOT" = "/" ]; then
	exit 0
fi

hardlink_if_same() {
	if cmp -s "$1" "$2" ; then
		ln -f "$1" "$2"
		return 0
	fi
	return 1
}

# Hardlink identical *.pyc, *.pyo, and *.opt-[12].pyc.
# Originally from PLD's rpm-build-macros
find "$RPM_BUILD_ROOT" -type f -name "*.pyc" -not -name "*.opt-[12].pyc" | while read pyc ; do
	hardlink_if_same "$pyc" "${pyc%c}o"
	o1pyc="${pyc%pyc}opt-1.pyc"
	hardlink_if_same "$pyc" "$o1pyc"
	o2pyc="${pyc%pyc}opt-2.pyc"
	hardlink_if_same "$pyc" "$o2pyc" || hardlink_if_same "$o1pyc" "$o2pyc"
done
exit 0