Revert --clean argument to --continue

freqtrade/configuration/arguments.py

@@ -223,10 +223,10 @@ AVAILABLE_CLI_OPTIONS = {
         metavar='INT',
         default=1,
     ),
-    "hyperopt_clean_state": Arg(
-        "--clean",
-        help="Remove temporary hyperopt files (should be used when the custom hyperopt file "
-        "was changed, or when changing the arguments for --min-trades or spaces.",
+    "hyperopt_continue": Arg(
+        "--continue",
+        help="Continue hyperopt from previous runs. "
+        "By default, temporary files will be removed and hyperopt will start from scratch.",
         default=False,
         action='store_true',
     ),
@@ -325,7 +325,7 @@ ARGS_BACKTEST = ARGS_COMMON_OPTIMIZE + ["position_stacking", "use_max_market_pos
 ARGS_HYPEROPT = ARGS_COMMON_OPTIMIZE + ["hyperopt", "position_stacking", "epochs", "spaces",
                                         "use_max_market_positions", "print_all", "hyperopt_jobs",
                                         "hyperopt_random_state", "hyperopt_min_trades",
-                                        "hyperopt_clean_state", "loss_function"]
+                                        "hyperopt_continue", "loss_function"]
 
 ARGS_EDGE = ARGS_COMMON_OPTIMIZE + ["stoploss_range"]
 

freqtrade/configuration/configuration.py

@@ -285,8 +285,8 @@ class Configuration(object):
         self._args_to_config(config, argname='hyperopt_min_trades',
                              logstring='Parameter --min-trades detected: {}')
 
-        self._args_to_config(config, argname='hyperopt_clean_state',
-                             logstring='Removing hyperopt temp files')
+        self._args_to_config(config, argname='hyperopt_continue',
+                             logstring='Hyperopt continue: {}')
 
         self._args_to_config(config, argname='loss_function',
                              logstring='Using loss function: {}')