fix #795 (#811)

Author: enoch85

static/setup_secure_permissions_nextcloud.sh

@@ -2,7 +2,7 @@
 
 # T&M Hansson IT AB © - 2019, https://www.hanssonit.se/
 
-# shellcheck disable=2034,2059
+# shellcheck disable=2034,2059,2012
 true
 # shellcheck source=lib.sh
 . <(curl -sL https://raw.githubusercontent.com/nextcloud/vm/master/lib.sh)
@@ -30,9 +30,12 @@ printf "chown Directories\n"
 chown -R ${rootuser}:${htgroup} ${NCPATH}/
 chown -R ${htuser}:${htgroup} ${NCPATH}/apps/
 chown -R ${htuser}:${htgroup} ${NCPATH}/config/
-chown -R ${htuser}:${htgroup} ${NCDATA}/
 chown -R ${htuser}:${htgroup} ${NCPATH}/themes/
 chown -R ${htuser}:${htgroup} ${NCPATH}/updater/
+if ! [ "$(ls -ld ${NCDATA} | awk '{print$3$4}')" == ${htuser}${htgroup} ]
+then
+    chown -R ${htuser}:${htgroup} ${NCDATA}/
+fi
 
 chmod +x ${NCPATH}/occ