Bump to 1.38

Add a don't repeat yourself rule

README.md

@@ -144,13 +144,18 @@ using matched rule and run it. Rules enabled by default:
 * `cd_parent` – changes `cd..` to `cd ..`;
 * `cd_mkdir` – creates directories before cd'ing into them;
 * `cp_omitting_directory` – adds `-a` when you `cp` directory;
+* `dry` – fix repetitions like "git git push";
 * `fix_alt_space` – replaces Alt+Space with Space character;
+* `git_add` – fix *"Did you forget to 'git add'?"*;
+* `git_checkout` – creates the branch before checking-out;
 * `git_no_command` – fixes wrong git commands like `git brnch`;
 * `git_push` – adds `--set-upstream origin $branch` to previous failed `git push`;
 * `has_exists_script` – prepends `./` when script/binary exists;
 * `lein_not_task` – fixes wrong `lein` tasks like `lein rpl`;
 * `mkdir_p` – adds `-p` when you trying to create directory without parent;
 * `no_command` – fixes wrong console commands, for example `vom/vim`;
+* `man_no_space` – fixes man commands without spaces, for example `mandiff`;
+* `pacman` – installs app with `pacman` or `yaourt` if it is not installed;
 * `pip_unknown_command` – fixes wrong pip commands, for example `pip instatl/pip install`;
 * `python_command` – prepends `python` when you trying to run not executable/without `./` python script;
 * `sl_ls` – changes `sl` to `ls`;
@@ -197,6 +202,8 @@ enabled_by_default = True
 
 def side_effect(command, settings):
     subprocess.call('chmod 777 .', shell=True)
+
+priority = 1000  # Lower first
 ```
 
 [More examples of rules](https://github.com/nvbn/thefuck/tree/master/thefuck/rules),
@@ -209,7 +216,8 @@ The Fuck has a few settings parameters, they can be changed in `~/.thefuck/setti
 * `rules` – list of enabled rules, by default `thefuck.conf.DEFAULT_RULES`;
 * `require_confirmation` – require confirmation before running new command, by default `False`;
 * `wait_command` – max amount of time in seconds for getting previous command output;
-* `no_colors` – disable colored output.
+* `no_colors` – disable colored output;
+* `priority` – dict with rules priorities, rule with lower `priority` will be matched first.
 
 Example of `settings.py`:
 
@@ -218,6 +226,7 @@ rules = ['sudo', 'no_command']
 require_confirmation = True
 wait_command = 10
 no_colors = False
+priority = {'sudo': 100, 'no_command': 9999}
 ```
 
 Or via environment variables:
@@ -225,7 +234,9 @@ Or via environment variables:
 * `THEFUCK_RULES` – list of enabled rules, like `DEFAULT_RULES:rm_root` or `sudo:no_command`;
 * `THEFUCK_REQUIRE_CONFIRMATION` – require confirmation before running new command, `true/false`;
 * `THEFUCK_WAIT_COMMAND` – max amount of time in seconds for getting previous command output;
-* `THEFUCK_NO_COLORS` – disable colored output, `true/false`.
+* `THEFUCK_NO_COLORS` – disable colored output, `true/false`;
+* `THEFUCK_PRIORITY` – priority of the rules, like `no_command=9999:apt_get=100`,
+rule with lower `priority` will be matched first.
 
 For example:
 
@@ -234,6 +245,7 @@ export THEFUCK_RULES='sudo:no_command'
 export THEFUCK_REQUIRE_CONFIRMATION='true'
 export THEFUCK_WAIT_COMMAND=10
 export THEFUCK_NO_COLORS='false'
+export THEFUCK_PRIORITY='no_command=9999:apt_get=100'
 ```
 
 ## Developing

release.py

@@ -28,4 +28,4 @@ call('git commit -am "Bump to {}"'.format(version), shell=True)
 call('git tag {}'.format(version), shell=True)
 call('git push', shell=True)
 call('git push --tags', shell=True)
-call('python setup.py sdist upload', shell=True)
+call('python setup.py sdist bdist_wheel upload', shell=True)

requirements.txt

@@ -1,2 +1,4 @@
 pytest
 mock
+pytest-mock
+wheel

setup.cfg

@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal = 1

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = '1.35'
+VERSION = '1.38'
 
 
 setup(name='thefuck',
@@ -17,4 +17,5 @@ setup(name='thefuck',
       zip_safe=False,
       install_requires=['pathlib', 'psutil', 'colorama', 'six'],
       entry_points={'console_scripts': [
-          'thefuck = thefuck.main:main', 'thefuck-alias = thefuck.main:alias']})
+          'thefuck = thefuck.main:main',
+          'thefuck-alias = thefuck.shells:app_alias']})

tests/rules/test_dry.py

@@ -0,0 +1,17 @@
+import pytest
+from thefuck.rules.dry import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='cd cd foo'),
+    Command(script='git git push origin/master')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('cd cd foo'), 'cd foo'),
+    (Command('git git push origin/master'), 'git push origin/master')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_man_no_space.py

@@ -0,0 +1,12 @@
+from thefuck.rules.man_no_space import match, get_new_command
+from tests.utils import Command
+
+
+def test_match():
+    assert match(Command('mandiff', stderr='mandiff: command not found'), None)
+    assert not match(Command(), None)
+
+
+def test_get_new_command():
+    assert get_new_command(
+        Command('mandiff'), None) == 'man diff'

tests/test_conf.py

@@ -14,10 +14,8 @@ def test_default(enabled, rules, result):
 
 
 @pytest.fixture
-def load_source(monkeypatch):
+def load_source(mocker):
-    mock = Mock()
+    return mocker.patch('thefuck.conf.load_source')
-    monkeypatch.setattr('thefuck.conf.load_source', mock)
-    return mock
 
 
 @pytest.fixture
@@ -40,12 +38,14 @@ class TestSettingsFromFile(object):
         load_source.return_value = Mock(rules=['test'],
                                         wait_command=10,
                                         require_confirmation=True,
-                                        no_colors=True)
+                                        no_colors=True,
+                                        priority={'vim': 100})
         settings = conf.get_settings(Mock())
         assert settings.rules == ['test']
         assert settings.wait_command == 10
         assert settings.require_confirmation is True
         assert settings.no_colors is True
+        assert settings.priority == {'vim': 100}
 
     def test_from_file_with_DEFAULT(self, load_source):
         load_source.return_value = Mock(rules=conf.DEFAULT_RULES + ['test'],
@@ -62,12 +62,14 @@ class TestSettingsFromEnv(object):
         environ.update({'THEFUCK_RULES': 'bash:lisp',
                         'THEFUCK_WAIT_COMMAND': '55',
                         'THEFUCK_REQUIRE_CONFIRMATION': 'true',
-                        'THEFUCK_NO_COLORS': 'false'})
+                        'THEFUCK_NO_COLORS': 'false',
+                        'THEFUCK_PRIORITY': 'bash=10:lisp=wrong:vim=15'})
         settings = conf.get_settings(Mock())
         assert settings.rules == ['bash', 'lisp']
         assert settings.wait_command == 55
         assert settings.require_confirmation is True
         assert settings.no_colors is False
+        assert settings.priority == {'bash': 10, 'vim': 15}
 
     def test_from_env_with_DEFAULT(self, environ):
         environ.update({'THEFUCK_RULES': 'DEFAULT_RULES:bash:lisp'})

tests/test_main.py

@@ -6,34 +6,55 @@ from thefuck import main, conf, types
 from tests.utils import Rule, Command
 
 
-def test_load_rule(monkeypatch):
+def test_load_rule(mocker):
     match = object()
     get_new_command = object()
-    load_source = Mock()
+    load_source = mocker.patch(
-    load_source.return_value = Mock(match=match,
+        'thefuck.main.load_source',
-                                    get_new_command=get_new_command,
+        return_value=Mock(match=match,
-                                    enabled_by_default=True)
+                          get_new_command=get_new_command,
-    monkeypatch.setattr('thefuck.main.load_source', load_source)
+                          enabled_by_default=True,
+                          priority=900))
     assert main.load_rule(Path('/rules/bash.py')) \
-           == Rule('bash', match, get_new_command)
+           == Rule('bash', match, get_new_command, priority=900)
     load_source.assert_called_once_with('bash', '/rules/bash.py')
 
 
-@pytest.mark.parametrize('conf_rules, rules', [
+class TestGetRules(object):
-    (conf.DEFAULT_RULES, [Rule('bash', 'bash', 'bash'),
+    @pytest.fixture(autouse=True)
-                          Rule('lisp', 'lisp', 'lisp'),
+    def glob(self, mocker):
-                          Rule('bash', 'bash', 'bash'),
+        return mocker.patch('thefuck.main.Path.glob', return_value=[])
-                          Rule('lisp', 'lisp', 'lisp')]),
+
-    (types.RulesNamesList(['bash']), [Rule('bash', 'bash', 'bash'),
+    def _compare_names(self, rules, names):
-                                      Rule('bash', 'bash', 'bash')])])
+        return [r.name for r in rules] == names
-def test_get_rules(monkeypatch, conf_rules, rules):
+
-    monkeypatch.setattr(
+    @pytest.mark.parametrize('conf_rules, rules', [
-        'thefuck.main.Path.glob',
+        (conf.DEFAULT_RULES, ['bash', 'lisp', 'bash', 'lisp']),
-        lambda *_: [PosixPath('bash.py'), PosixPath('lisp.py')])
+        (types.RulesNamesList(['bash']), ['bash', 'bash'])])
-    monkeypatch.setattr('thefuck.main.load_source',
+    def test_get(self, monkeypatch, glob, conf_rules, rules):
-                        lambda x, _: Mock(match=x, get_new_command=x,
+        glob.return_value = [PosixPath('bash.py'), PosixPath('lisp.py')]
-                                          enabled_by_default=True))
+        monkeypatch.setattr('thefuck.main.load_source',
-    assert list(main.get_rules(Path('~'), Mock(rules=conf_rules))) == rules
+                            lambda x, _: Rule(x))
+        assert self._compare_names(
+            main.get_rules(Path('~'), Mock(rules=conf_rules, priority={})),
+            rules)
+
+    @pytest.mark.parametrize('priority, unordered, ordered', [
+        ({},
+         [Rule('bash', priority=100), Rule('python', priority=5)],
+         ['python', 'bash']),
+        ({},
+         [Rule('lisp', priority=9999), Rule('c', priority=conf.DEFAULT_PRIORITY)],
+         ['c', 'lisp']),
+        ({'python': 9999},
+         [Rule('bash', priority=100), Rule('python', priority=5)],
+         ['bash', 'python'])])
+    def test_ordered_by_priority(self, monkeypatch, priority, unordered, ordered):
+        monkeypatch.setattr('thefuck.main._get_loaded_rules',
+                            lambda *_: unordered)
+        assert self._compare_names(
+            main.get_rules(Path('~'), Mock(priority=priority)),
+            ordered)
 
 
 class TestGetCommand(object):
@@ -64,6 +85,7 @@ class TestGetCommand(object):
                                       stdout=PIPE,
                                       stderr=PIPE,
                                       env={'LANG': 'C'})
+
     @pytest.mark.parametrize('args, result', [
         (['thefuck', 'ls', '-la'], 'ls -la'),
         (['thefuck', 'ls'], 'ls')])
@@ -94,10 +116,8 @@ class TestGetMatchedRule(object):
 
 class TestRunRule(object):
     @pytest.fixture(autouse=True)
-    def confirm(self, monkeypatch):
+    def confirm(self, mocker):
-        mock = Mock(return_value=True)
+        return mocker.patch('thefuck.main.confirm', return_value=True)
-        monkeypatch.setattr('thefuck.main.confirm', mock)
-        return mock
 
     def test_run_rule(self, capsys):
         main.run_rule(Rule(get_new_command=lambda *_: 'new-command'),
@@ -123,10 +143,8 @@ class TestRunRule(object):
 
 class TestConfirm(object):
     @pytest.fixture
-    def stdin(self, monkeypatch):
+    def stdin(self, mocker):
-        mock = Mock(return_value='\n')
+        return mocker.patch('sys.stdin.read', return_value='\n')
-        monkeypatch.setattr('sys.stdin.read', mock)
-        return mock
 
     def test_when_not_required(self, capsys):
         assert main.confirm('command', None, Mock(require_confirmation=False))

tests/test_shells.py

@@ -1,20 +1,15 @@
 import pytest
-from mock import Mock, MagicMock
 from thefuck import shells
 
 
 @pytest.fixture
-def builtins_open(monkeypatch):
+def builtins_open(mocker):
-    mock = MagicMock()
+    return mocker.patch('six.moves.builtins.open')
-    monkeypatch.setattr('six.moves.builtins.open', mock)
-    return mock
 
 
 @pytest.fixture
-def isfile(monkeypatch):
+def isfile(mocker):
-    mock = Mock(return_value=True)
+    return mocker.patch('os.path.isfile', return_value=True)
-    monkeypatch.setattr('os.path.isfile', mock)
-    return mock
 
 
 class TestGeneric(object):
@@ -32,9 +27,8 @@ class TestGeneric(object):
 @pytest.mark.usefixtures('isfile')
 class TestBash(object):
     @pytest.fixture(autouse=True)
-    def Popen(self, monkeypatch):
+    def Popen(self, mocker):
-        mock = Mock()
+        mock = mocker.patch('thefuck.shells.Popen')
-        monkeypatch.setattr('thefuck.shells.Popen', mock)
         mock.return_value.stdout.read.return_value = (
             b'alias l=\'ls -CF\'\n'
             b'alias la=\'ls -A\'\n'
@@ -52,16 +46,15 @@ class TestBash(object):
 
     def test_put_to_history(self, builtins_open):
         shells.Bash().put_to_history('ls')
-        builtins_open.return_value.__enter__.return_value.\
+        builtins_open.return_value.__enter__.return_value. \
             write.assert_called_once_with('ls\n')
 
 
 @pytest.mark.usefixtures('isfile')
 class TestZsh(object):
     @pytest.fixture(autouse=True)
-    def Popen(self, monkeypatch):
+    def Popen(self, mocker):
-        mock = Mock()
+        mock = mocker.patch('thefuck.shells.Popen')
-        monkeypatch.setattr('thefuck.shells.Popen', mock)
         mock.return_value.stdout.read.return_value = (
             b'l=\'ls -CF\'\n'
             b'la=\'ls -A\'\n'
@@ -77,9 +70,9 @@ class TestZsh(object):
     def test_to_shell(self):
         assert shells.Zsh().to_shell('pwd') == 'pwd'
 
-    def test_put_to_history(self, builtins_open, monkeypatch):
+    def test_put_to_history(self, builtins_open, mocker):
-        monkeypatch.setattr('thefuck.shells.time',
+        mocker.patch('thefuck.shells.time',
-                            lambda: 1430707243.3517463)
+                     return_value=1430707243.3517463)
         shells.Zsh().put_to_history('ls')
         builtins_open.return_value.__enter__.return_value. \
             write.assert_called_once_with(': 1430707243:0;ls\n')

tests/utils.py

@@ -1,4 +1,5 @@
 from thefuck import types
+from thefuck.conf import DEFAULT_PRIORITY
 
 
 def Command(script='', stdout='', stderr=''):
@@ -8,6 +9,8 @@ def Command(script='', stdout='', stderr=''):
 def Rule(name='', match=lambda *_: True,
          get_new_command=lambda *_: '',
          enabled_by_default=True,
-         side_effect=None):
+         side_effect=None,
+         priority=DEFAULT_PRIORITY):
     return types.Rule(name, match, get_new_command,
-                      enabled_by_default, side_effect)
+                      enabled_by_default, side_effect,
+                      priority)

thefuck/conf.py

@@ -22,17 +22,20 @@ class _DefaultRulesNames(types.RulesNamesList):
 
 
 DEFAULT_RULES = _DefaultRulesNames([])
+DEFAULT_PRIORITY = 1000
 
 
 DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                     'wait_command': 3,
                     'require_confirmation': False,
-                    'no_colors': False}
+                    'no_colors': False,
+                    'priority': {}}
 
 ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',
                'THEFUCK_WAIT_COMMAND': 'wait_command',
                'THEFUCK_REQUIRE_CONFIRMATION': 'require_confirmation',
-               'THEFUCK_NO_COLORS': 'no_colors'}
+               'THEFUCK_NO_COLORS': 'no_colors',
+               'THEFUCK_PRIORITY': 'priority'}
 
 
 SETTINGS_HEADER = u"""# ~/.thefuck/settings.py: The Fuck settings file
@@ -65,16 +68,29 @@ def _rules_from_env(val):
     return val
 
 
+def _priority_from_env(val):
+    """Gets priority pairs from env."""
+    for part in val.split(':'):
+        try:
+            rule, priority = part.split('=')
+            yield rule, int(priority)
+        except ValueError:
+            continue
+
+
 def _val_from_env(env, attr):
     """Transforms env-strings to python."""
     val = os.environ[env]
     if attr == 'rules':
-        val = _rules_from_env(val)
+        return _rules_from_env(val)
+    elif attr == 'priority':
+        return dict(_priority_from_env(val))
     elif attr == 'wait_command':
-        val = int(val)
+        return int(val)
     elif attr in ('require_confirmation', 'no_colors'):
-        val = val.lower() == 'true'
+        return val.lower() == 'true'
-    return val
+    else:
+        return val
 
 
 def _settings_from_env():

thefuck/main.py

@@ -26,7 +26,17 @@ def load_rule(rule):
     return types.Rule(rule.name[:-3], rule_module.match,
                       rule_module.get_new_command,
                       getattr(rule_module, 'enabled_by_default', True),
-                      getattr(rule_module, 'side_effect', None))
+                      getattr(rule_module, 'side_effect', None),
+                      getattr(rule_module, 'priority', conf.DEFAULT_PRIORITY))
+
+
+def _get_loaded_rules(rules, settings):
+    """Yields all available rules."""
+    for rule in rules:
+        if rule.name != '__init__.py':
+            loaded_rule = load_rule(rule)
+            if loaded_rule in settings.rules:
+                yield loaded_rule
 
 
 def get_rules(user_dir, settings):
@@ -35,11 +45,9 @@ def get_rules(user_dir, settings):
         .joinpath('rules') \
         .glob('*.py')
     user = user_dir.joinpath('rules').glob('*.py')
-    for rule in sorted(list(bundled)) + list(user):
+    rules = _get_loaded_rules(sorted(bundled) + sorted(user), settings)
-        if rule.name != '__init__.py':
+    return sorted(rules, key=lambda rule: settings.priority.get(
-            loaded_rule = load_rule(rule)
+        rule.name, rule.priority))
-            if loaded_rule in settings.rules:
-                yield loaded_rule
 
 
 def wait_output(settings, popen):
@@ -113,10 +121,6 @@ def run_rule(rule, command, settings):
         print(new_command)
 
 
-def alias():
-    print(shells.app_alias())
-
-
 def main():
     colorama.init()
     user_dir = setup_user_dir()

thefuck/rules/dry.py

@@ -0,0 +1,12 @@
+def match(command, settings):
+    split_command = command.script.split()
+
+    return len(split_command) >= 2 and split_command[0] == split_command[1]
+
+
+def get_new_command(command, settings):
+    return command.script[command.script.find(' ')+1:]
+
+# it should be rare enough to actually have to type twice the same word, so
+# this rule can have a higher priority to come before things like "cd cd foo"
+priority = 900

thefuck/rules/git_add.py

@@ -0,0 +1,15 @@
+import re
+
+
+def match(command, settings):
+    return ('git' in command.script
+            and 'did not match any file(s) known to git.' in command.stderr
+            and "Did you forget to 'git add'?" in command.stderr)
+
+
+def get_new_command(command, settings):
+    missing_file = re.findall(
+            r"error: pathspec '([^']*)' "
+            "did not match any file\(s\) known to git.", command.stderr)[0]
+
+    return 'git add -- {} && {}'.format(missing_file, command.script)

thefuck/rules/git_checkout.py

@@ -0,0 +1,15 @@
+import re
+
+
+def match(command, settings):
+    return ('git' in command.script
+            and 'did not match any file(s) known to git.' in command.stderr
+            and "Did you forget to 'git add'?" not in command.stderr)
+
+
+def get_new_command(command, settings):
+    missing_file = re.findall(
+            r"error: pathspec '([^']*)' "
+            "did not match any file\(s\) known to git.", command.stderr)[0]
+
+    return 'git branch {} && {}'.format(missing_file, command.script)

thefuck/rules/man_no_space.py

@@ -0,0 +1,9 @@
+def match(command, settings):
+    return (command.script.startswith(u'man')
+            and u'command not found' in command.stderr.lower())
+
+
+def get_new_command(command, settings):
+    return u'man {}'.format(command.script[3:])
+
+priority = 2000

thefuck/rules/no_command.py

@@ -31,3 +31,6 @@ def get_new_command(command, settings):
     new_command = get_close_matches(old_command,
                                     _get_all_bins())[0]
     return ' '.join([new_command] + command.script.split(' ')[1:])
+
+
+priority = 3000

thefuck/rules/pacman.py

@@ -0,0 +1,43 @@
+import subprocess
+from thefuck.utils import DEVNULL
+
+
+def __command_available(command):
+    try:
+        subprocess.check_output([command], stderr=DEVNULL)
+        return True
+    except subprocess.CalledProcessError:
+        # command exists but is not happy to be called without any argument
+        return True
+    except OSError:
+        return False
+
+
+def __get_pkgfile(command):
+    try:
+        return subprocess.check_output(
+            ['pkgfile', '-b', '-v', command.script.split(" ")[0]],
+            universal_newlines=True, stderr=subprocess.DEVNULL
+        ).split()
+    except subprocess.CalledProcessError:
+        return None
+
+
+def match(command, settings):
+    return 'not found' in command.stderr and __get_pkgfile(command)
+
+
+def get_new_command(command, settings):
+    package = __get_pkgfile(command)[0]
+
+    return '{} -S {} && {}'.format(pacman, package, command.script)
+
+
+if not __command_available('pkgfile'):
+    enabled_by_default = False
+elif __command_available('yaourt'):
+    pacman = 'yaourt'
+elif __command_available('pacman'):
+    pacman = 'sudo pacman'
+else:
+    enabled_by_default = False

thefuck/shells.py

@@ -8,9 +8,7 @@ from subprocess import Popen, PIPE
 from time import time
 import os
 from psutil import Process
-
+from .utils import DEVNULL
-
-FNULL = open(os.devnull, 'w')
 
 
 class Generic(object):
@@ -58,7 +56,7 @@ class Bash(Generic):
         return name, value
 
     def _get_aliases(self):
-        proc = Popen('bash -ic alias', stdout=PIPE, stderr=FNULL, shell=True)
+        proc = Popen('bash -ic alias', stdout=PIPE, stderr=DEVNULL, shell=True)
         return dict(
             self._parse_alias(alias)
             for alias in proc.stdout.read().decode('utf-8').split('\n')
@@ -80,7 +78,7 @@ class Zsh(Generic):
         return name, value
 
     def _get_aliases(self):
-        proc = Popen('zsh -ic alias', stdout=PIPE, stderr=FNULL, shell=True)
+        proc = Popen('zsh -ic alias', stdout=PIPE, stderr=DEVNULL, shell=True)
         return dict(
             self._parse_alias(alias)
             for alias in proc.stdout.read().decode('utf-8').split('\n')

thefuck/types.py

@@ -4,7 +4,8 @@ from collections import namedtuple
 Command = namedtuple('Command', ('script', 'stdout', 'stderr'))
 
 Rule = namedtuple('Rule', ('name', 'match', 'get_new_command',
-                           'enabled_by_default', 'side_effect'))
+                           'enabled_by_default', 'side_effect',
+                           'priority'))
 
 
 class RulesNamesList(list):

thefuck/utils.py

@@ -4,6 +4,9 @@ import six
 from .types import Command
 
 
+DEVNULL = open(os.devnull, 'w')
+
+
 def which(program):
     """Returns `program` path or `None`."""
 

tox.ini

@@ -0,0 +1,6 @@
+[tox]
+envlist = py27,py33,py34
+
+[testenv]
+deps = -rrequirements.txt
+commands = py.test