#!/bin/sh
cd `rpm --eval %{_builddir}`

# _noauto* wrapper for builtin rpm Provides generator
# requires:		/bin/sh, /usr/bin/rpmdeps, coreutils, findutils
# input (stdin):	filenames (one per line)
# output (stdout):	Provides list (one per line)

# note that no large list is stored in shell variable - this was VERY slow

ulimit -c 0

noprovfiles=''
if [ -r __rpm_noautoprovfiles ]; then
	for i in `cat __rpm_noautoprovfiles`; do
		noprovfiles="${noprovfiles}\|${i}"
	done
fi
if [ -r /etc/rpm/noautoprovfiles ]; then
	for i in `cat /etc/rpm/noautoprovfiles | grep -v '^#'`; do
		noprovfiles="${noprovfiles}\|${i}"
	done
fi

noprov=''
if [ -r __rpm_noautoprov ]; then
	for i in `cat __rpm_noautoprov`; do
		noprov="${noprov}\|${i}"
	done
fi
if [ -r /etc/rpm/noautoprov ]; then
	for i in `cat /etc/rpm/noautoprov | grep -v '^#'`; do
		noprov="${noprov}\|${i}"
	done
fi

# rpmdeps output seems sorted, but resort it in case of long list split
grep -v -e "^\(${noprovfiles}\)\$" | tr '\n' '\0' | \
	xargs -r -0 /usr/bin/rpmdeps --provides | LC_ALL=C sort -u | \
	grep -v -e "^\(${noprov}\)\$"

exit 0