#!/bin/bash
#
# Generate dependencies for KMPs defined in supported.conf. We look at each
# modules 'depends' field in modinfo and use the $name-kmp-modules lists
# in builddir to map dependencies to package names. We do it this way instead
# of relying on the ksym() dependencies, because KMPs built from the kernel
# spec file are not shared among kernel versions.

package_name=$1
version_release=$2
builddir=$3

trap 'rm -f "$filelist"' EXIT
filelist=$(mktemp -t ${0##*/}.XXXXXXXXXX)
cat >"$filelist"

# is this module part of any KMP?
in_kmp()
{
	local mod=${1//[-_]/[-_]} res

	for f in "$builddir"/*-kmp-modules; do
		if grep -q "/$mod\$" "$f"; then
			res=${f##*/}
			echo "${res%-modules}"
		fi
	done
}

grep '\.ko$' "$filelist" | while read f; do
	mod=${f##*/}
	kmp=$(in_kmp "$mod")
	if test -z "$kmp"; then
		continue
	fi
	for dep in $(IFS=,; set -- $(/sbin/modinfo -F depends "$f"); echo $*); do
		kmp2=$(in_kmp "$dep.ko")
		if test -n "$kmp2" -a "$kmp2" != "$kmp"; then
			# Needs another KMP
			echo "$kmp2-${package_name#kernel-} = $version_release"
		fi
	done
done

/usr/lib/rpm/find-requires "$package_name" <"$filelist"