Tidying backup key creation

src/freedombone

   apt-get -y install gnupg
 
   BACKUP_KEY_EXISTS=$(gpg --list-keys "$MY_NAME (backup key)")
-  if [ "$?" = "0" ]; then
+  if [ $BACKUP_KEY_EXISTS != *"error"* ]; then
       return
   fi
 
   # Generate a GPG key for backups
-  echo 'Key-Type: 1' > /home/$MY_USERNAME/gpg-genkey.conf
-  echo 'Key-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo 'Subkey-Type: 1' >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo 'Subkey-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo "Name-Real:  $MY_NAME" >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo "Name-Email: $MY_EMAIL_ADDRESS" >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo "Name-Comment: backup key" >> /home/$MY_USERNAME/gpg-genkey.conf
-  echo 'Expire-Date: 0' >> /home/$MY_USERNAME/gpg-genkey.conf
-  chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/gpg-genkey.conf
-  su -c "gpg --batch --gen-key /home/$MY_USERNAME/gpg-genkey.conf" - $MY_USERNAME
-  shred -zu /home/$MY_USERNAME/gpg-genkey.conf
   BACKUP_KEY_EXISTS=$(su -c "gpg --list-keys \"$MY_NAME (backup key)\"" - $MY_USERNAME)
-  if [ ! "$?" = "0" ]; then
-      echo 'Backup key could not be created'
-      exit 43382
+  if [ $BACKUP_KEY_EXISTS == *"error"* ]; then
+      echo 'Key-Type: 1' > /home/$MY_USERNAME/gpg-genkey.conf
+      echo 'Key-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo 'Subkey-Type: 1' >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo 'Subkey-Length: 4096' >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo "Name-Real:  $MY_NAME" >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo "Name-Email: $MY_EMAIL_ADDRESS" >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo "Name-Comment: backup key" >> /home/$MY_USERNAME/gpg-genkey.conf
+      echo 'Expire-Date: 0' >> /home/$MY_USERNAME/gpg-genkey.conf
+      chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/gpg-genkey.conf
+      su -c "gpg --batch --gen-key /home/$MY_USERNAME/gpg-genkey.conf" - $MY_USERNAME
+      shred -zu /home/$MY_USERNAME/gpg-genkey.conf
+      BACKUP_KEY_EXISTS=$(su -c "gpg --list-keys \"$MY_NAME (backup key)\"" - $MY_USERNAME)
+      if [ ! "$?" = "0" ]; then
+          echo 'Backup key could not be created'
+          exit 43382
+      fi
   fi
   MY_BACKUP_KEY_ID=$(su -c "gpg --list-keys \"$MY_NAME (backup key)\" | grep 'pub '" - $MY_USERNAME | awk -F ' ' '{print $2}' | awk -F '/' '{print $2}')
   echo "Backup key: $MY_BACKUP_KEY_ID"