Exporting backup key to keydrive

src/freedombone-keydrive

 
   # export the gpg key and backup key as text
   # so that it may be imported at the beginning of new installs
+  GPG_TTY=$(tty)
+  export GPG_TTY
+
   USER_EMAIL_ADDRESS=$MY_USERNAME@$HOSTNAME
   GPG_ID=$(gpg --list-keys $USER_EMAIL_ADDRESS | sed -n '2p' | sed 's/^[ \t]*//')
   GPG_BACKUP_ID=$(gpg --list-keys "(backup key)" | sed -n '2p' | sed 's/^[ \t]*//')
   fi
 
   backupgpgkey=$(gpg --armor --export $GPG_BACKUP_ID)
-  if [[ "$gpgkey" == *"$gpgerrstr"* ]]; then
-      echo $'Problem exporting public gpg key'
-      echo "$gpgkey"
+  if [[ "$backupgpgkey" == *"$gpgerrstr"* ]]; then
+      echo $'Problem exporting public gpg backup key'
+      echo "$backupgpgkey"
       exit 735282
   fi
   backupgpgprivkey=$(gpg --armor --export-secret-key $GPG_BACKUP_ID)
-  if [[ "$gpgprivkey" == *"$gpgerrstr"* ]]; then
-      echo $'Problem exporting private gpg key'
-      echo "$gpgprivkey"
+  if [[ "$backupgpgprivkey" == *"$gpgerrstr"* ]]; then
+      echo $'Problem exporting private gpg backup key'
+      echo "$backupgpgprivkey"
       gpgprivkey=
       exit 629362
   fi