files: respect overlayfs owner from lower layer

Permission model of overlayfs uses permissions/ownership from the upper
layer after mounting. Fix up UID/GID of the upper layer, when lower
layer already uses something custom.

Signed-off-by: Vyacheslav Yurkov <v.yurkov@precitec.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/files/overlayfs-create-dirs.sh b/meta/files/overlayfs-create-dirs.sh
index 06c7587a6bb84190733680fbf591e919a01219e2..9954c343521b5a180963d15066683d68600fec59 100644 (file)
--- a/meta/files/overlayfs-create-dirs.sh
+++ b/meta/files/overlayfs-create-dirs.sh
@@ -6,3 +6,6 @@ lowerdir=$1
 datamountpoint=$2
 mkdir -p ${datamountpoint}/upper${lowerdir}
 mkdir -p ${datamountpoint}/workdir${lowerdir}
+if [ -d "$lowerdir" ]; then
+    chown $(stat -c "%U:%G" ${lowerdir}) ${datamountpoint}/upper${lowerdir}
+fi