Maintenance operations: fix user for multi-instance and apply at installation

scripts/install

@@ -236,6 +236,11 @@ ynh_replace_string "#DESTDIR#" "$final_path" "$cron_path"
 
 exec_occ background:cron
 
+#=================================================
+# POST-INSTALL MAINTENANCE
+#=================================================
+(cd /tmp ; at now + 10 minutes <<< "(cd $final_path ; sudo -u $app php occ db:add-missing-indices ; sudo -u $app php occ db:convert-filecache-bigint -n) > /tmp/nextcloud_maintenance.log")
+
 #=================================================
 # CONFIGURE THE HOOK FILE FOR USER CREATE
 #=================================================

scripts/upgrade.d/upgrade.last.sh

@@ -12,5 +12,5 @@ last_upgrade_operations () {
   cp -a ../sources/patches_last_version/* ../sources/patches
 
   # Execute post-upgrade operations later on
-  (cd /tmp ; at now + 10 minutes <<< "(cd $final_path ; sudo -u nextcloud php occ db:add-missing-indices ; sudo -u nextcloud php occ db:convert-filecache-bigint -n) > /tmp/nextcloud_maintenance.log")
+  (cd /tmp ; at now + 10 minutes <<< "(cd $final_path ; sudo -u $app php occ db:add-missing-indices ; sudo -u $app php occ db:convert-filecache-bigint -n) > /tmp/nextcloud_maintenance.log")
 }