Merge pull request #432 from nvbn/422-not-alter-history

#422: Add `alter_history` settings option

README.md

@@ -282,7 +282,8 @@ The Fuck has a few settings parameters which can be changed in `$XDG_CONFIG_HOME
 * `no_colors` – disable colored output;
 * `priority` – dict with rules priorities, rule with lower `priority` will be matched first;
 * `debug` – enables debug output, by default `False`;
-* `history_limit` – numeric value of how many history commands will be scanned, like `2000`; 
+* `history_limit` – numeric value of how many history commands will be scanned, like `2000`;
+* `alter_history` – push fixed command to history, by default `True`.
 
 Example of `settings.py`:
 
@@ -306,7 +307,8 @@ Or via environment variables:
 * `THEFUCK_PRIORITY` – priority of the rules, like `no_command=9999:apt_get=100`,
 rule with lower `priority` will be matched first;
 * `THEFUCK_DEBUG` – enables debug output, `true/false`;
-* `THEFUCK_HISTORY_LIMIT` – how many history commands will be scanned, like `2000`.
+* `THEFUCK_HISTORY_LIMIT` – how many history commands will be scanned, like `2000`;
+* `THEFUCK_ALTER_HISTORY` – push fixed command to history `true/false`.
 
 For example:
 

thefuck/conf.py

@@ -17,6 +17,7 @@ DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                     'debug': False,
                     'priority': {},
                     'history_limit': None,
+                    'alter_history': True,
                     'env': {'LC_ALL': 'C', 'LANG': 'C', 'GIT_TRACE': '1'}}
 
 ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',
@@ -24,9 +25,10 @@ ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',
                'THEFUCK_WAIT_COMMAND': 'wait_command',
                'THEFUCK_REQUIRE_CONFIRMATION': 'require_confirmation',
                'THEFUCK_NO_COLORS': 'no_colors',
-               'THEFUCK_PRIORITY': 'priority',
                'THEFUCK_DEBUG': 'debug',
-               'THEFUCK_HISTORY_LIMIT': 'history_limit'}
+               'THEFUCK_PRIORITY': 'priority',
+               'THEFUCK_HISTORY_LIMIT': 'history_limit',
+               'THEFUCK_ALTER_HISTORY': 'alter_history'}
 
 SETTINGS_HEADER = u"""# The Fuck settings file
 #
@@ -126,7 +128,8 @@ class Settings(dict):
             return dict(self._priority_from_env(val))
         elif attr == 'wait_command':
             return int(val)
-        elif attr in ('require_confirmation', 'no_colors', 'debug'):
+        elif attr in ('require_confirmation', 'no_colors', 'debug',
+                      'alter_history'):
             return val.lower() == 'true'
         elif attr == 'history_limit':
             return int(val)

thefuck/types.py

@@ -32,20 +32,20 @@ class Command(object):
                 self._script_parts = shells.split_command(self.script)
             except Exception:
                 logs.debug(u"Can't split command script {} because:\n {}".format(
-                    self, sys.exc_info()))
+                        self, sys.exc_info()))
                 self._script_parts = None
         return self._script_parts
 
     def __eq__(self, other):
         if isinstance(other, Command):
             return (self.script, self.stdout, self.stderr) \
-                == (other.script, other.stdout, other.stderr)
+                   == (other.script, other.stdout, other.stderr)
         else:
             return False
 
     def __repr__(self):
         return u'Command(script={}, stdout={}, stderr={})'.format(
-            self.script, self.stdout, self.stderr)
+                self.script, self.stdout, self.stderr)
 
     def update(self, **kwargs):
         """Returns new command with replaced fields.
@@ -166,9 +166,9 @@ class Rule(object):
         return 'Rule(name={}, match={}, get_new_command={}, ' \
                'enabled_by_default={}, side_effect={}, ' \
                'priority={}, requires_output)'.format(
-                    self.name, self.match, self.get_new_command,
-                    self.enabled_by_default, self.side_effect,
-                    self.priority, self.requires_output)
+                self.name, self.match, self.get_new_command,
+                self.enabled_by_default, self.side_effect,
+                self.priority, self.requires_output)
 
     @classmethod
     def from_path(cls, path):
@@ -268,7 +268,7 @@ class CorrectedCommand(object):
 
     def __repr__(self):
         return u'CorrectedCommand(script={}, side_effect={}, priority={})'.format(
-            self.script, self.side_effect, self.priority)
+                self.script, self.side_effect, self.priority)
 
     def run(self, old_cmd):
         """Runs command from rule for passed command.
@@ -278,6 +278,7 @@ class CorrectedCommand(object):
         """
         if self.side_effect:
             compatibility_call(self.side_effect, old_cmd, self.script)
-        shells.put_to_history(self.script)
+        if settings.alter_history:
+            shells.put_to_history(self.script)
         # This depends on correct setting of PYTHONIOENCODING by the alias:
         print(self.script)