From: Vyacheslav Yurkov <v.yurkov@precitec.de>
Date: Wed, 1 Jun 2022 19:30:11 +0000 (+0200)
Subject: files: respect overlayfs owner from lower layer
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~3971
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b19b734ec3c031ee594229e728ee077cd58b34a9;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

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 06c7587a6bb..9954c343521 100644
--- 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