Optionally specify master password

src/freedombone-pass

 TESTS=
 EXPORT_FILENAME=
 
+MASTER_PASSWORD=''
+
 # If this file is present then don't store passwords
 NO_PASSWORD_STORE_FILE=~/.nostore
 
             shift
             EXPORT_FILENAME="${1}"
             ;;
+        --master)
+            shift
+            MASTER_PASSWORD="${1}"
+            ;;
         -p|--pass|--password|--passphrase)
             shift
             CURR_PASSWORD="${1}"
 
 get_backup_key_id
 
-# Use the backups private key as a symmetric passphrase
-MASTER_PASSWORD=$(gpg -q --armor --export-secret-key $MY_BACKUP_KEY_ID | sed '/---/d' | sed '/Version/d' | sed '/^$/d')
+if [ ${#MASTER_PASSWORD} -eq 0 ]; then
+    # Use the backups private key as a symmetric passphrase
+    MASTER_PASSWORD=$(gpg -q --armor --export-secret-key $MY_BACKUP_KEY_ID | sed '/---/d' | sed '/Version/d' | sed '/^$/d')
+fi
 
 if [ $TESTS ]; then
     run_tests