Backup and restore matrix identity server

src/freedombone-app-matrix

         if [ -d $source_directory ]; then
             backup_directory_to_usb $source_directory matrixdata
         fi
+        source_directory=/etc/sydent
+        if [ -d $source_directory ]; then
+            backup_directory_to_usb $source_directory matrixid
+        fi
         systemctl start matrix
     fi
 }
         rm -rf $temp_restore_dir
         chown -R matrix:matrix $MATRIX_DATA_DIR
 
+        temp_restore_dir=/root/tempmatrixid
+        restore_directory_from_usb $temp_restore_dir matrixid
+        cp -r $temp_restore_dir/etc/sydent/* /etc/sydent
+        if [ ! "$?" = "0" ]; then
+            function_check backup_unmount_drive
+            backup_unmount_drive
+            exit 29562
+        fi
+        rm -rf $temp_restore_dir
+        chown -R matrix:matrix /etc/sydent
+
         systemctl start matrix
     fi
 }
         if [ -d $source_directory ]; then
             backup_directory_to_friend $source_directory matrixdata
         fi
+        source_directory=/etc/sydent
+        if [ -d $source_directory ]; then
+            backup_directory_to_friend $source_directory matrixid
+        fi
         systemctl start matrix
     fi
 }
         rm -rf $temp_restore_dir
         chown -R matrix:matrix $MATRIX_DATA_DIR
 
+        temp_restore_dir=/root/tempmatrixid
+        restore_directory_from_friend $temp_restore_dir matrixid
+        cp -r $temp_restore_dir/etc/sydent/* /etc/sydent
+        if [ ! "$?" = "0" ]; then
+            exit 738356
+        fi
+        rm -rf $temp_restore_dir
+        chown -R matrix:matrix /etc/sydent
+
         systemctl start matrix
     fi
 }