add support for new RO mode

skip-chown/root/etc/s6-overlay/s6-rc.d/init-adduser/run

@@ -5,13 +5,15 @@
 PUID=${PUID:-911}
 PGID=${PGID:-911}
 
-groupmod -o -g "$PGID" abc
+if [[ -z ${LSIO_READ_ONLY_FS} ]] && [[ -z ${LSIO_NON_ROOT_USER} ]]; then
-mkdir /dummy
+    groupmod -o -g "$PGID" abc
-usermod -d /dummy abc
+    mkdir /dummy
-usermod -o -u "$PUID" abc
+    usermod -d /dummy abc
-usermod -d /config abc
+    usermod -o -u "$PUID" abc
-rmdir /dummy
+    usermod -d /config abc
+    rmdir /dummy
 
-lsiown abc:abc /app
+    lsiown abc:abc /app
-lsiown abc:abc /config
+    lsiown abc:abc /config
-lsiown abc:abc /defaults
+    lsiown abc:abc /defaults
+fi