extrausers.bbclass: use '+=' for ROOTFS_POSTPROCESS_COMMAND

This is the only place in oe-core that still uses apppend for
ROOTFS_POSTPROCESS_COMMAND. It's modifying users and groups and
such behavior does not need to run as the last step. So change
to use '+='.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/extrausers.bbclass b/meta/classes/extrausers.bbclass
index c825c06df900be292cc3617c3d449b51a13c51c7..bfb70b71808050bcda79ab2431fb9f0a35a4f8dd 100644 (file)
--- a/meta/classes/extrausers.bbclass
+++ b/meta/classes/extrausers.bbclass
@@ -23,7 +23,7 @@ inherit useradd_base
 PACKAGE_INSTALL:append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS'))]}"
 
 # Image level user / group settings
-ROOTFS_POSTPROCESS_COMMAND:append = " set_user_group"
+ROOTFS_POSTPROCESS_COMMAND += "set_user_group"
 
 # Image level user / group settings
 set_user_group () {