buildhistory: improve performance of image info collection

Reduce the number of calls to the packaging tool, especially in the case
of rpm, using helper utilities to gather the required information more
efficiently where possible.

(From OE-Core rev: d0b8a98c5b46c305afd389fc862b3bf0c6f1eaab)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/rootfs_deb.bbclass

@@ -96,26 +96,24 @@ list_installed_packages() {
 	if [ "$1" = "arch" ] ; then
 		# Here we want the PACKAGE_ARCH not the deb architecture
 		${DPKG_QUERY_COMMAND} -W -f='${Package} ${PackageArch}\n'
+	elif [ "$1" = "file" ] ; then
+		${DPKG_QUERY_COMMAND} -W -f='${Package} ${Package}_${Version}_${Architecture}.deb\n' | while read pkg pkgfile
+		do
+			fullpath=`find ${DEPLOY_DIR_DEB} -name "$pkgfile" || true`
+			if [ "$fullpath" = "" ] ; then
+				echo "$pkg $pkgfile"
+			else
+				echo "$pkg $fullpath"
+			fi
+		done
 	else
 		${DPKG_QUERY_COMMAND} -W -f='${Package}\n'
 	fi
 }
 
-get_package_filename() {
-	fullname=`find ${DEPLOY_DIR_DEB} -name "$1_*.deb" || true`
-	if [ "$fullname" = "" ] ; then
-		echo $name
-	else
-		echo $fullname
-	fi
-}
-
-list_package_depends() {
-	${DPKG_QUERY_COMMAND} -s $1 | grep ^Depends | sed -e 's/^Depends: //' -e 's/,//g' -e 's:([=<>]* [^ )]*)::g'
-}
-
-list_package_recommends() {
-	${DPKG_QUERY_COMMAND} -s $1 | grep ^Recommends | sed -e 's/^Recommends: //' -e 's/,//g' -e 's:([=<>]* [^ )]*)::g'
+rootfs_list_installed_depends() {
+	# Cheat here a little bit by using the opkg query helper util
+	${DPKG_QUERY_COMMAND} -W -f='Package: ${Package}\nDepends: ${Depends}\nRecommends: ${Recommends}\n\n' | opkg-query-helper.py
 }
 
 rootfs_install_packages() {