Set minimum disk free for each user

src/freedombone-app-syncthing

@@ -272,17 +272,32 @@ function reconfigure_syncthing {
 }
 
 function upgrade_syncthing {
+    syncthing_users_changed=
     if [ -f /root/.config/syncthing/config.xml ]; then
         if ! grep -q "minDiskFree unit=\"%\">$SYNCTHING_MIN_DISK_SPACE_FREE_PERCENT<" /root/.config/syncthing/config.xml; then
             sed -i "s|minDiskFree unit=.*|minDiskFree unit=\"%\">$SYNCTHING_MIN_DISK_SPACE_FREE_PERCENT</minDiskFree>|g" /root/.config/syncthing/config.xml
-            systemctl restart syncthing
+            syncthing_users_changed=1
         fi
 
         if grep -q "<minDiskFreePct>" /root/.config/syncthing/config.xml; then
             sed -i "s|<minDiskFreePct>.*|<minDiskFree unit=\"%\">$SYNCTHING_MIN_DISK_SPACE_FREE_PERCENT</minDiskFree>|g" /root/.config/syncthing/config.xml
-            systemctl restart syncthing
+            syncthing_users_changed=1
         fi
     fi
+
+    # configurations for each user
+    for d in /home/*/ ; do
+        USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
+
+        if ! grep -q "minDiskFree unit=\"%\">$SYNCTHING_MIN_DISK_SPACE_FREE_PERCENT<" "/home/$USERNAME/.config/syncthing/config.xml"; then
+            sed -i "s|minDiskFree unit=.*|minDiskFree unit=\"%\">$SYNCTHING_MIN_DISK_SPACE_FREE_PERCENT</minDiskFree>|g" "/home/$USERNAME/.config/syncthing/config.xml"
+            syncthing_users_changed=1
+        fi
+    done
+
+    if [ $syncthing_users_changed ]; then
+        systemctl restart syncthing
+    fi
 }
 
 function backup_local_syncthing {