[OE-core] [PATCH 2/2] package_rpm.bbclass: no initial_solution in the second build

[Robert Yang]

There is no initial_solution.manifest in the second build when
incremental rpm image generation, since the initial solution has been
skipped. So we should check it before cat it.

[YOCTO #3128]

Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
---
 meta/classes/package_rpm.bbclass | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index be6bd45..49055f2 100644
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -317,10 +317,13 @@ package_install_internal_rpm () {
 		# we should add the previous solution manifest to the full "original" set to
 		# avoid duplicate install steps.
 		echo "Update original solution..."
-		cat ${target_rootfs}/install/initial_solution.manifest >> ${target_rootfs}/install/original_solution.manifest
-		cat ${target_rootfs}/install/total_solution.manifest >> ${target_rootfs}/install/original_solution.manifest
-		rm ${target_rootfs}/install/initial_solution.manifest
-		rm ${target_rootfs}/install/total_solution.manifest
+		for m in ${target_rootfs}/install/initial_solution.manifest \
+			${target_rootfs}/install/total_solution.manifest; do
+			if [ -s $m ]; then
+				cat $m >> ${target_rootfs}/install/original_solution.manifest
+				rm -f $m
+			fi
+		done
 	fi
 
 	# Setup manifest of packages to install...
-- 
1.7.11.2