#!/bin/bash

log()
{
	echo "=== $@"
}

err()
{
	log $@
}

fatal()
{
	err $@
	exit 1
}

lp()
{
	find . -name "$1" | grep -v "/dist/\|/include/"
}

usage()
{
	echo "$myname [-h] [-t target-dir ] [ package-name ]"
	[ "$1" ] && exit $1
}

# -- here we go

set -- `getopt 'ht:' $*`
while [ "$1" != -- ]; do
	case "$1" in
	-h)
		usage 0
		;;
	-t)
		target="$2"
		shift
		;;
	*)
		usage 1
		;;
	esac
	shift
done
shift

[ "$target" ] && {
	cd $target || fatal "failed to change to target dir \"$target\""
}

proj=$1
[ "$proj" ] || {
	proj=`pwd | xargs basename`
	proj="$proj-run $proj-devel"
}

changed_paths=`rpm -qV $proj | sed '
	/^..5.*/ !d	
	s%^..5......  . /%/%
'`

for p in $changed_paths; do
	[ -r $p ] || {
	   fatal "can't read $p"
        }
	b=`basename $p`
	lp=`lp "$b"`
	[ "$lp" ] || {
		fatal "$p is not in repository"
        }
	nl=`lp $b | wc -l`
	[ $nl -gt 1 ] && {
		log $p is more than once in repository:
		lp $b
		fatal exiting
	}
	diff -q $lp $p >/dev/null 2>&1 && {
		continue
	}
	log copying $p $lp
	cp $p $lp
done