Importing from keydrive

src/freedombone-utils-keys

         if [ -f $USB_MOUNT/.mastergpgkey && -f $USB_MOUNT/.backupgpgkey ]; then
             # Recovering keys from file rather than just copying the gnupg
             # directory may help to avoid problems during upgrades/reinstalls
-            su -c "gpg --allow-secret-key-import --import $USB_MOUNT/.mastergpgkey" - $MY_USERNAME
-            su -c "gpg --allow-secret-key-import --import $USB_MOUNT/.backupgpgkey" - $MY_USERNAME
+            gpg --homedir=/home/$MY_USERNAME/.gnupg --allow-secret-key-import --import $USB_MOUNT/.mastergpgkey
+            echo "$BACKUP_DUMMY_PASSWORD" | gpg --batch --passphrase-fd 0 --homedir=/home/$MY_USERNAME/.gnupg --allow-secret-key-import --import $USB_MOUNT/.backupgpgkey
             if [ -d /home/$MY_USERNAME/.gnupg ]; then
                 chmod 700 /home/$MY_USERNAME/.gnupg
                 chmod -R 600 /home/$MY_USERNAME/.gnupg/*