Better implementation of usb mount in local backup

src/freedombone

 function backup_directory_to_usb {
   echo 'function backup_directory_to_usb {' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "  MY_NAME=\"$MY_NAME\"" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  USB_MOUNT=$USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  if [ ! -d ${1} ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '    echo "WARNING: directory does not exist: ${1}"' >> /usr/bin/$BACKUP_SCRIPT_NAME
 function backup_database {
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'function backup_database {' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  USB_MOUNT=$USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  DATABASE_PASSWORD='$DATABASE_PASSWORD'" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  if [ ! -d $USB_MOUNT/backup/${1} ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '    mkdir -p $USB_MOUNT/backup/${1}' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ $1 ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  USB_DRIVE=/dev/${1}1' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo "USB_MOUNT=$USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "ADMIN_USERNAME=$MY_USERNAME" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "MY_USERNAME=$MY_USERNAME" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  exit 1' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "umount -f $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "if [ ! -d $USB_MOUNT ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  mkdir $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'umount -f $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'if [ ! -d $USB_MOUNT ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  mkdir $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -f /dev/mapper/encrypted_usb ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  rm -rf /dev/mapper/encrypted_usb' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  USB_DRIVE=/dev/mapper/encrypted_usb' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo -n 'mount $USB_DRIVE ' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "$USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '$USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  echo 'There was a problem mounting the USB drive to $USB_MOUNT'" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  rm -rf $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  echo "There was a problem mounting the USB drive to $USB_MOUNT"' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  rm -rf $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  exit 6392' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "if [ ! -d $USB_MOUNT/backup ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  mkdir $USB_MOUNT/backup" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'if [ ! -d $USB_MOUNT/backup ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  mkdir $USB_MOUNT/backup' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "if [ ! -d $USB_MOUNT/backup ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  echo 'There was a problem making the directory $USB_MOUNT/backup.'" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  umount $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  rm -rf $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'if [ ! -d $USB_MOUNT/backup ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  echo "There was a problem making the directory $USB_MOUNT/backup."' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  umount $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  rm -rf $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  exit 27' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
+
+  echo '# MariaDB password' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo -n 'DATABASE_PASSWORD=$(cat ' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo "$DATABASE_PASSWORD_FILE)" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
+
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   backup_database
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '  echo "GPG encrypt the backup key"' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo "  gpg -c $BACKUP_CERTIFICATE" >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "cp $BACKUP_CERTIFICATE.gpg $USB_MOUNT/backup/key.gpg" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo -n "cp $BACKUP_CERTIFICATE.gpg " >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '$USB_MOUNT/backup/key.gpg' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
 
-  echo '# MariaDB password' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo -n 'DATABASE_PASSWORD=$(cat ' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "$DATABASE_PASSWORD_FILE)" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   if grep -Fxq "install_gnu_social" $COMPLETION_FILE; then
       BACKUP_INCLUDES_DATABASES="yes"
       echo 'backup_database gnusocial' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
   if grep -Fxq "install_owncloud" $COMPLETION_FILE; then
       BACKUP_INCLUDES_DATABASES="yes"
-      echo "if [ ! -d $USB_MOUNT/backup/owncloud2 ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/owncloud2" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/owncloud2 ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/owncloud2' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_database owncloud' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_directory_to_usb /root/tempownclouddata ownclouddata' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
   if grep -Fxq "install_gogs" $COMPLETION_FILE; then
       BACKUP_INCLUDES_DATABASES="yes"
-      echo "if [ ! -d $USB_MOUNT/backup/gogsrepos ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/gogsrepos" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/gogsrepos ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/gogsrepos' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "if [ ! -d $USB_MOUNT/backup/gogsssh ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/gogsssh" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/gogsssh ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/gogsssh' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_database gogs' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_directory_to_usb /root/tempgogsdata gogsdata' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
   if grep -Fxq "install_wiki" $COMPLETION_FILE; then
-      echo "if [ ! -d $USB_MOUNT/backup/wiki ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/wiki" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/wiki ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/wiki' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "if [ ! -d $USB_MOUNT/backup/wiki2 ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/wiki2" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/wiki2 ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/wiki2' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'echo "Obtaining wiki data backup"' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_directory_to_usb /var/lib/dokuwiki wiki' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
   if grep -Fxq "install_blog" $COMPLETION_FILE; then
-      echo "if [ ! -d $USB_MOUNT/backup/blog ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/blog" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/blog ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/blog' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'echo "Obtaining blog backup"' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo "backup_directory_to_usb /var/www/$FULLBLOG_DOMAIN_NAME/htdocs blog" >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
   fi
   if grep -Fxq "mesh_cjdns" $COMPLETION_FILE; then
-      echo "if [ ! -d $USB_MOUNT/backup/cjdns ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/cjdns" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/cjdns ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/cjdns' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'echo "Obtaining cjdns backup"' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'backup_directory_to_usb /etc/cjdns cjdns' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup certificates' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d /etc/ssl ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up certificates"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/ssl ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/ssl" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/ssl ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/ssl' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /etc/ssl ssl' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup projects' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/projects ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up projects"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/projects ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/projects" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/projects ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/projects' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/projects projects' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup personal settings' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/personal ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up personal settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/personal ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/personal" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/personal ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/personal' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/personal personal' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup the public mailing list' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d $PUBLIC_MAILING_LIST_DIRECTORY ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up the public mailing list"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/mailinglist ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/mailinglist" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/mailinglist ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/mailinglist' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "  backup_directory_to_usb $PUBLIC_MAILING_LIST_DIRECTORY mailinglist" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup xmpp settings' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d $XMPP_DIRECTORY ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up the XMPP settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/xmpp ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/xmpp" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/xmpp ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/xmpp' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "  backup_directory_to_usb $XMPP_DIRECTORY xmpp" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup gpg keys' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/.gnupg ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up gpg keys"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/gnupg ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/gnupg" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/gnupg ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/gnupg' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/.gnupg gnupg' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup ssh keys' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/.ssh ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up ssh keys"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/ssh ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/ssh" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/ssh ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/ssh' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/.ssh ssh' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup web sites' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d /etc/nginx ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up web settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/web ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/web" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/web ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/web' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /etc/nginx/sites-available web' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup README file' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -f /home/$MY_USERNAME/README ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up README"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/readme ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/readme" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/readme ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/readme' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  if [ ! -d /home/$MY_USERNAME/tempbackup ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '    mkdir -p /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup IPFS' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/.ipfs ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up IPFS"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/ipfs ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/ipfs" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/ipfs ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/ipfs' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/.ipfs ipfs' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  if [ -f /etc/Muttrc ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '    cp /etc/Muttrc /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/mutt ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/mutt" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/mutt ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/mutt' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/tempbackup mutt' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '    mkdir -p /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  cp /home/$MY_USERNAME/.procmailrc /home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/procmail ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/procmail" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/procmail ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/procmail' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/tempbackup procmail' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup spamassassin settings' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ -d /home/$MY_USERNAME/.spamassassin ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up spamassassin settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/spamassassin ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/spamassassin" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/spamassassin ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/spamassassin' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/.spamassassin spamassassin' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  tar -czvf /root/tempbackupemail/maildir.tar.gz /home/$MY_USERNAME/Maildir' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up emails"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/mail ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/mail" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/mail ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/mail' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /root/tempbackupemail mail' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup DLNA cache' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d /var/cache/minidlna ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up DLNA cache"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/dlna ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/dlna" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/dlna ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/dlna' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /var/cache/minidlna dlna' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '/home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo -n "  cp -f /var/lib/mumble-server/$VOIP_DATABASE " >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '/home/$MY_USERNAME/tempbackup' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/voip ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/voip" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/voip ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/voip' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /home/$MY_USERNAME/tempbackup voip' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
 
   if [[ $BACKUP_INCLUDES_DATABASES == "yes" ]]; then
       echo '# Mysql settings' >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "if [ ! -d $USB_MOUNT/backup/mariadb ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  mkdir -p $USB_MOUNT/backup/mariadb" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo 'if [ ! -d $USB_MOUNT/backup/mariadb ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  mkdir -p $USB_MOUNT/backup/mariadb' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'if [ ! -d /root/tempmariadb ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '    mkdir /root/tempmariadb' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo "if [ ! -s /root/tempmariadb/mysql.sql ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '  echo "Unable to backup mysql settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '  rm -rf /root/tempmariadb' >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  umount $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
-      echo "  rm -rf $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  umount $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
+      echo '  rm -rf $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo '  exit 653' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
       echo 'echo "$DATABASE_PASSWORD" > /root/tempmariadb/db' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '# Backup Tox node settings' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "if [ -d /var/lib/tox-bootstrapd ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Backing up Tox node settings"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  if [ ! -d $USB_MOUNT/backup/tox ]; then" >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "    mkdir -p $USB_MOUNT/backup/tox" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  if [ ! -d $USB_MOUNT/backup/tox ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '    mkdir -p $USB_MOUNT/backup/tox' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo "  cp /etc/tox-bootstrapd.conf /var/lib/tox-bootstrapd" >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  backup_directory_to_usb /var/lib/tox-bootstrapd tox' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '' >> /usr/bin/$BACKUP_SCRIPT_NAME
 
   echo 'sync' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "umount $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'umount $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'if [ ! "$?" = "0" ]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Unable to unmount the drive. This means that the backup did not work"' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "  rm -rf $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo '  rm -rf $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  exit 46994' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$BACKUP_SCRIPT_NAME
-  echo "rm -rf $USB_MOUNT" >> /usr/bin/$BACKUP_SCRIPT_NAME
+  echo 'rm -rf $USB_MOUNT' >> /usr/bin/$BACKUP_SCRIPT_NAME
 
   echo 'if [[ $USB_DRIVE == /dev/mapper/encrypted_usb ]]; then' >> /usr/bin/$BACKUP_SCRIPT_NAME
   echo '  echo "Unmount encrypted USB"' >> /usr/bin/$BACKUP_SCRIPT_NAME
 
 function restore_directory_from_usb {
   echo 'function restore_directory_from_usb {' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  USB_MOUNT=$USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  BACKUP_CERTIFICATE=$BACKUP_CERTIFICATE" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! -d ${1} ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    mkdir ${1}' >> /usr/bin/$RESTORE_SCRIPT_NAME
 
 function restore_database {
   echo 'function restore_database {' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  USB_MOUNT=$USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  DATABASE_PASSWORD=\"$DATABASE_PASSWORD\"" >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE == 'obnam' ]]; then
       echo '  RESTORE_SUBDIR="root"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'if [ $1 ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  USB_DRIVE=/dev/${1}1' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo "USB_MOUNT=$USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "ADMIN_USERNAME=$MY_USERNAME" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "MY_USERNAME=$MY_USERNAME" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  exit 1' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "if [ ! -d $USB_MOUNT ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  mkdir $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ ! -d $USB_MOUNT ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  mkdir $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ -f /dev/mapper/encrypted_usb ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /dev/mapper/encrypted_usb' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '      USB_DRIVE=/dev/mapper/encrypted_usb' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n '  mount $USB_DRIVE ' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "$USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '$USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "if [ ! -d $USB_MOUNT/backup ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ ! -d $USB_MOUNT/backup ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "No backup directory found on the USB drive."' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  exit 2' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'echo "Checking that user exists"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'if [ ! -d /home/$MY_USERNAME ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Username $MY_USERNAME not found. Reinstall Freedombone with this username."' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  exit 295' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
 
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
-      echo "if [ -f $USB_MOUNT/backup/key.gpg ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo 'if [ -f $USB_MOUNT/backup/key.gpg ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  if [ -f $BACKUP_CERTIFICATE.new ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "    rm $BACKUP_CERTIFICATE.new" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "  cp $USB_MOUNT/backup/key.gpg /root/tempbackupkey.gpg" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '  cp $USB_MOUNT/backup/key.gpg /root/tempbackupkey.gpg' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  gpg /root/tempbackupkey.gpg" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  if [ -f /root/tempbackupkey ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    echo "Backup key decrypted"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    echo "Backup certificate installed"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  else' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    echo "Unable to decrypt the backup key"' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 735' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
 
       echo "if [ ! -f $BACKUP_CERTIFICATE ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "    echo 'No backup key was found. Copy your backup key to $BACKUP_CERTIFICATE'" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 563' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
       if [[ $BACKUP_TYPE != 'obnam' ]]; then
           RESTORE_SUBDIR='usb/backup/mariadb/'
       fi
-      echo "if [ -d $USB_MOUNT/backup/mariadb ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo 'if [ -d $USB_MOUNT/backup/mariadb ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  echo "Restoring mysql settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  restore_directory_from_usb /root/tempmariadb mariadb' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  echo "Get the MariaDB password from the backup"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '      echo "$mysqlsuccess"' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "      umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "      rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '      umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '      rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '      exit 962' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    echo "Restarting database"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/mutt/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/mutt ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/mutt ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring Mutt settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempmutt mutt' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  if [ -f /root/tempmutt/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/tempbackup/Muttrc /etc/Muttrc' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempmutt' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/gnupg/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/gnupg ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/gnupg ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring gnupg settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempgnupg gnupg' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -r /root/tempgnupg/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/.gnupg /home/$MY_USERNAME/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempgnupg' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempgnupg' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  cp -r /home/$MY_USERNAME/.gnupg /root' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 283' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/procmail/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/procmail ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/procmail ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring procmail settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempprocmail procmail' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -f /root/tempprocmail/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/tempbackup/.procmailrc /home/$MY_USERNAME/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempprocmail' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/spamassassin/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/spamassassin ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/spamassassin ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring spamassassin settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'restore_directory_from_usb /root/tempspamassassin spamassassin' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -rf /root/tempspamassassin/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/.spamassassin /home/$MY_USERNAME/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempspamassassin' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/readme/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/readme ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/readme ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring README"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempreadme readme' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -f /root/tempreadme/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/tempbackup/README /home/$MY_USERNAME/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempreadme' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/ipfs/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/ipfs ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/ipfs ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring IPFS"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempipfs ipfs' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -f /root/tempipfs/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/tempbackup/ipfs/* /home/$MY_USERNAME/.ipfs' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempipfs' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/ssh/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/ssh ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/ssh ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring ssh keys"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempssh ssh' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  cp -r /root/tempssh/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/.ssh /home/$MY_USERNAME/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempssh' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 664' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/ssl/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/ssl ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/ssl ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring certificates"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  mkdir /root/tempssl' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempssl ssl' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempssl/${RESTORE_SUBDIR}ssl/* /etc/ssl" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempssl' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/projects/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/projects ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/projects ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring projects"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempprojects projects' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ -d /home/$MY_USERNAME/projects ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  mv /root/tempprojects/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/projects /home/$MY_USERNAME' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 166' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempprojects' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/personal/'
   fi
-  echo "if [ -d $USB_MOUNT/backup/personal ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/personal ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring personal settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/temppersonal personal' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ -d /home/$MY_USERNAME/personal ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n "  mv /root/temppersonal/${RESTORE_SUBDIR}" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '$MY_USERNAME/personal /home/$MY_USERNAME' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 184' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/temppersonal' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempmailinglist mailinglist' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempmailinglist/${RESTORE_SUBDIR}spool/mlmmj/* $PUBLIC_MAILING_LIST_DIRECTORY" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 526' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempmailinglist' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempxmpp xmpp' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempxmpp/${RESTORE_SUBDIR}lib/prosody/* $XMPP_DIRECTORY" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 725' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempxmpp' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if grep -Fxq "install_hubzilla" $COMPLETION_FILE; then
       BACKUP_INCLUDES_WEBSITES="yes"
       echo "restore_database hubzilla $HUBZILLA_DOMAIN_NAME" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "if [ -d $USB_MOUNT/backup/hubzilla ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo 'if [ -d $USB_MOUNT/backup/hubzilla ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  if [ ! -d /var/www/$HUBZILLA_DOMAIN_NAME/htdocs/store/[data]/smarty3 ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "    mkdir -p /var/www/$HUBZILLA_DOMAIN_NAME/htdocs/store/[data]/smarty3" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  fi" >> /usr/bin/$RESTORE_SCRIPT_NAME
   if grep -Fxq "install_owncloud" $COMPLETION_FILE; then
       BACKUP_INCLUDES_WEBSITES="yes"
       echo "restore_database owncloud $OWNCLOUD_DOMAIN_NAME" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "if [ -d $USB_MOUNT/backup/owncloud2 ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo 'if [ -d $USB_MOUNT/backup/owncloud2 ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo 'restore_directory_from_usb /root/tempowncloud2 owncloud2' >> /usr/bin/$RESTORE_SCRIPT_NAME
       RESTORE_SUBDIR='etc/'
       if [[ $BACKUP_TYPE != 'obnam' ]]; then
       fi
       echo "  cp -r /root/tempowncloud2/${RESTORE_SUBDIR}owncloud/* /etc/owncloud/" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 982' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  rm -rf /root/tempowncloud' >> /usr/bin/$RESTORE_SCRIPT_NAME
       if [[ $BACKUP_TYPE != 'obnam' ]]; then
           RESTORE_SUBDIR='usb/backup/gogs'
       fi
-      echo "if [ -d $USB_MOUNT/backup/gogs ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo 'if [ -d $USB_MOUNT/backup/gogs ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  echo "Restoring Gogs settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  if [ ! -d /home/git/go/src/github.com/gogits/gogs/custom ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    mkdir -p /home/git/go/src/github.com/gogits/gogs/custom' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo "  cp -r /root/tempgogs/${RESTORE_SUBDIR}/git/go/src/github.com/gogits/gogs/custom/* /home/git/go/src/github.com/gogits/gogs/custom" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 981' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  echo "Restoring Gogs repos"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       fi
       echo "  cp -r /root/tempgogsrepos/${RESTORE_SUBDIR}/git/gogs-repositories/* /home/git/gogs-repositories/" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 67574' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  echo "Restoring Gogs authorized_keys"' >> /usr/bin/$RESTORE_SCRIPT_NAME
       fi
       echo "  cp -r /root/tempgogsssh/${RESTORE_SUBDIR}/git/.ssh/* /home/git/.ssh/" >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-      echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+      echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '    exit 8463' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
       echo '  rm -rf /root/tempgogs' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/wiki'
   fi
-  echo "if [ -d $USB_MOUNT/backup/wiki ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/wiki ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring Wiki installation"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempwiki wiki' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempwiki/${RESTORE_SUBDIR}/lib/dokuwiki/* /var/lib/dokuwiki/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 868' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempwiki2 wiki2' >> /usr/bin/$RESTORE_SCRIPT_NAME
   fi
   echo "  cp -r /root/tempwiki2/${RESTORE_SUBDIR}/dokuwiki/* /etc/dokuwiki/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 869' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempwiki' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/blog'
   fi
-  echo "if [ -d $USB_MOUNT/backup/blog ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/blog ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring blog installation"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempblog blog' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  rm -rf /var/www/$FULLBLOG_DOMAIN_NAME/htdocs" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempblog/${RESTORE_SUBDIR}/www/$FULLBLOG_DOMAIN_NAME/htdocs /var/www/$FULLBLOG_DOMAIN_NAME/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 593' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempblog' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  if [ ! -d /var/www/$FULLBLOG_DOMAIN_NAME/htdocs/content ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    echo "No content directory found after restoring blog"' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 287' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  chown -R www-data:www-data /var/www/$FULLBLOG_DOMAIN_NAME/htdocs" >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/cjdns'
   fi
-  echo "if [ -d $USB_MOUNT/backup/cjdns ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/cjdns ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring cjdns installation"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempcjdns cjdns' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  rm -rf /etc/cjdns" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  cp -r /root/tempcjdns/${RESTORE_SUBDIR}/cjdns /etc/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 8472' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempcjdns' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_TYPE != 'obnam' ]]; then
       RESTORE_SUBDIR='usb/backup/mail'
   fi
-  echo "if [ -d $USB_MOUNT/backup/mail ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/mail ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring emails"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempmail mail' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! -d /home/$MY_USERNAME/Maildir ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "  tar -xzvf /root/tempmail/${RESTORE_SUBDIR}/tempbackupemail/maildir.tar.gz -C /" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 927' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  rm -rf /root/tempmail' >> /usr/bin/$RESTORE_SCRIPT_NAME
       RESTORE_SUBDIR='usb/backup/dlna'
   fi
   echo "if [ -d /var/cache/minidlna ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "  if [ -d $USB_MOUNT/backup/dlna ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '  if [ -d $USB_MOUNT/backup/dlna ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    echo "Restoring DLNA cache"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    restore_directory_from_usb /root/tempdlna dlna' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "    cp -r /root/tempdlna/${RESTORE_SUBDIR}/cache/minidlna/* /var/cache/minidlna/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "      umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "      rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '      umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '      rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '      exit 982' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempdlna' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
 
-  echo "if [ -d $USB_MOUNT/backup/voip ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/voip ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring VoIP settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /root/tempvoip voip' >> /usr/bin/$RESTORE_SCRIPT_NAME
   RESTORE_SUBDIR='home'
   echo -n '$MY_USERNAME/tempbackup/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "$VOIP_CONFIG_FILE /etc/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempvoip' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 3679' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo -n '$MY_USERNAME/tempbackup/' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "$VOIP_DATABASE /var/lib/mumble-server/" >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    rm -rf /root/tempvoip' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 276' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
 
-  echo "if [ -d $USB_MOUNT/backup/tox ]; then" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'if [ -d $USB_MOUNT/backup/tox ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  echo "Restoring Tox node settings"' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  restore_directory_from_usb /var/lib/tox-bootstrapd tox' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 6393' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  cp /var/lib/tox-bootstrapd/tox-bootstrapd.conf /etc/tox-bootstrapd.conf' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  systemctl restart tox-bootstrapd.service' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  if [ ! "$?" = "0" ]; then' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    systemctl status tox-bootstrapd.service' >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "    rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo '    rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '    exit 59369' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '  fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'fi' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo 'sync' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo "# Unmount the USB drive" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "umount $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
-  echo "rm -rf $USB_MOUNT" >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'umount $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
+  echo 'rm -rf $USB_MOUNT' >> /usr/bin/$RESTORE_SCRIPT_NAME
   echo '' >> /usr/bin/$RESTORE_SCRIPT_NAME
   if [[ $BACKUP_INCLUDES_WEBSITES == "yes" ]]; then
       echo "# Restart the web server" >> /usr/bin/$RESTORE_SCRIPT_NAME