[honister,07/12] wic/plugins/rootfs: Fix permissions when splitting rootfs folders across partitions

Message ID d730fbc26993c2187c908e57a465536a508e9ee2.1653877872.git.anuj.mittal@intel.com
State Accepted, archived
Commit d730fbc26993c2187c908e57a465536a508e9ee2
Headers show
Series [honister,01/12] linux-firmware: upgrade 20220411 -> 20220509 | expand

Commit Message

Mittal, Anuj May 30, 2022, 2:35 a.m. UTC
From: Felix Moessbauer <felix.moessbauer@siemens.com>

This patches makes locating the file database containing the file and
folder usernames and permissions more reliable.
In addition to locating it relative to the partition directory, we also
try to locate it relative to the IMAGE_ROOTFS.

Prior to this patch, the database was not found when using
--rootfs-dir=${IMAGE_ROOTFS}/<x> in the WIC script, leading to erronous file
permissions and ownership.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 09e18ee246da8b56f446c4db548fb9c7e895142b)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
---
 scripts/lib/wic/plugins/source/rootfs.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Patch

diff --git a/scripts/lib/wic/plugins/source/rootfs.py b/scripts/lib/wic/plugins/source/rootfs.py
index 2e34e715ca..25bb41dd70 100644
--- a/scripts/lib/wic/plugins/source/rootfs.py
+++ b/scripts/lib/wic/plugins/source/rootfs.py
@@ -50,7 +50,7 @@  class RootfsPlugin(SourcePlugin):
 
     @staticmethod
     def __get_rootfs_dir(rootfs_dir):
-        if os.path.isdir(rootfs_dir):
+        if rootfs_dir and os.path.isdir(rootfs_dir):
             return os.path.realpath(rootfs_dir)
 
         image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
@@ -96,6 +96,9 @@  class RootfsPlugin(SourcePlugin):
         part.rootfs_dir = cls.__get_rootfs_dir(rootfs_dir)
         part.has_fstab = os.path.exists(os.path.join(part.rootfs_dir, "etc/fstab"))
         pseudo_dir = os.path.join(part.rootfs_dir, "../pseudo")
+        if not os.path.lexists(pseudo_dir):
+            pseudo_dir = os.path.join(cls.__get_rootfs_dir(None), '../pseudo')
+
         if not os.path.lexists(pseudo_dir):
             logger.warn("%s folder does not exist. "
                         "Usernames and permissions will be invalid " % pseudo_dir)