[OE-core] [PATCHv2 2/2] Empty image:rootfs.py:handle empty PACKAGE_INSTALL

[Alex Franco]

rootfs.py: added a test in DpkgOpkgRootfs which skips the
get package post installs step (get_pkgs_postinsts), when
PACKAGE_INSTALL is empty.

[YOCTO #7664]

Signed-off-by: Alex Franco <alejandro.franco at linux.intel.com>
---
 meta/lib/oe/rootfs.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/meta/lib/oe/rootfs.py b/meta/lib/oe/rootfs.py
index 3b53fce..4e81263 100644
--- a/meta/lib/oe/rootfs.py
+++ b/meta/lib/oe/rootfs.py
@@ -595,7 +595,11 @@ class DpkgOpkgRootfs(Rootfs):
 
         pkg_list = []
 
-        pkgs = self._get_pkgs_postinsts(status_file)
+        pkgs = None
+        if not self.d.getVar('PACKAGE_INSTALL', True).strip():
+            bb.note("Building empty image")
+        else:
+            pkgs = self._get_pkgs_postinsts(status_file)
         if pkgs:
             root = "__packagegroup_postinst__"
             pkgs[root] = pkgs.keys()
-- 
2.5.3