Bump to 2.0

Add git_branch_delete rule

.travis.yml

@@ -4,6 +4,10 @@ python:
   - "3.3"
   - "2.7"
 install:
-  - python setup.py develop
   - pip install -r requirements.txt
-script: py.test
+  - python setup.py develop
+  - pip install coveralls
+script:
+  - export COVERAGE_PYTHON_VERSION=python-${TRAVIS_PYTHON_VERSION:0:1}
+  - coverage run --source=thefuck,tests -m py.test -v
+after_success: coveralls

README.md

@@ -1,10 +1,14 @@
-# The Fuck [![Build Status](https://travis-ci.org/nvbn/thefuck.svg)](https://travis-ci.org/nvbn/thefuck)
+# The Fuck [![Build Status](https://travis-ci.org/nvbn/thefuck.svg)](https://travis-ci.org/nvbn/thefuck) [![Coverage Status](https://coveralls.io/repos/nvbn/thefuck/badge.svg?branch=master&service=github)](https://coveralls.io/github/nvbn/thefuck?branch=master)
+
+**Aliases changed in 1.34.**
 
 Magnificent app which corrects your previous console command,
 inspired by a [@liamosaur](https://twitter.com/liamosaur/)
 [tweet](https://twitter.com/liamosaur/status/506975850596536320).
 
-Few examples:
+![gif with examples](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)
+
+Few more examples:
 
 ```bash
 ➜ apt-get install vim
@@ -71,7 +75,7 @@ REPL-y 0.3.1
 ...
 ```
 
-If you are scared to blindly run changed command, there's `require_confirmation`
+If you are scared to blindly run the changed command, there is a `require_confirmation`
 [settings](#settings) option:
 
 ```bash
@@ -102,14 +106,25 @@ sudo pip install thefuck
 
 [Or using an OS package manager (OS X, Ubuntu, Arch).](https://github.com/nvbn/thefuck/wiki/Installation)
 
-And add to `.bashrc` or `.zshrc` or `.bash_profile`(for OSX):
+And add to the `.bashrc` or `.bash_profile`(for OSX):
 
 ```bash
-alias fuck='eval $(thefuck $(fc -ln -1))'
+alias fuck='eval $(thefuck $(fc -ln -1)); history -r'
 # You can use whatever you want as an alias, like for Mondays:
 alias FUCK='fuck'
 ```
 
+Or in your `.zshrc`:
+
+```bash
+alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1)); fc -R'
+```
+
+If you are using `tcsh`:
+```tcsh
+alias fuck 'set fucked_cmd=`history -h 2 | head -n 1` && eval `thefuck ${fucked_cmd}`'
+```
+
 Alternatively, you can redirect the output of `thefuck-alias`:
 
 ```bash
@@ -119,6 +134,7 @@ thefuck-alias >> ~/.bashrc
 [Or in your shell config (Bash, Zsh, Fish, Powershell).](https://github.com/nvbn/thefuck/wiki/Shell-aliases)
 
 Changes will be available only in a new shell session.
+To make them available immediately, run `source ~/.bashrc` (or your shell config file like `.zshrc`).
 
 
 ## Update
@@ -129,34 +145,70 @@ sudo pip install thefuck --upgrade
 
 ## How it works
 
-The Fuck tries to match rule for the previous command, create new command
+The Fuck tries to match a rule for the previous command, creates a new command
-using matched rule and run it. Rules enabled by default:
+using the matched rule and runs it. Rules enabled by default are as follows:
 
-* `brew_unknown_command` – fixes wrong brew commands, for example `brew docto/brew doctor`;
+* `cargo` – runs `cargo build` instead of `cargo`;
-* `cd_parent` – changes `cd..` to `cd ..`;
+* `cargo_no_command` – fixes wrongs commands like `cargo buid`;
+* `cd_correction` – spellchecks and correct failed cd commands;
 * `cd_mkdir` – creates directories before cd'ing into them;
+* `cd_parent` – changes `cd..` to `cd ..`;
+* `composer_not_command` – fixes composer command name;
 * `cp_omitting_directory` – adds `-a` when you `cp` directory;
+* `cpp11` – add missing `-std=c++11` to `g++` or `clang++`;
+* `django_south_ghost` – adds `--delete-ghost-migrations` to failed because ghosts django south migration;
+* `django_south_merge` – adds `--merge` to inconsistent django south migration;
+* `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_branch_delete` – changes `git branch -d` to `git branch -D`;
+* `git_branch_list` – catches `git branch list` in place of `git branch` and removes created branch;
+* `git_checkout` – creates the branch before checking-out;
+* `git_diff_staged` – adds `--staged` to previous `git diff` with unexpected output;
 * `git_no_command` – fixes wrong git commands like `git brnch`;
+* `git_pull` – sets upstream before executing previous `git pull`;
 * `git_push` – adds `--set-upstream origin $branch` to previous failed `git push`;
+* `git_stash` – stashes you local modifications before rebasing or switching branch;
+* `go_run` – appends `.go` extension when compiling/running Go programs
+* `grep_recursive` – adds `-r` when you trying to grep directory;
 * `has_exists_script` – prepends `./` when script/binary exists;
+* `history` – tries to replace command with most similar command from history;
+* `java` – removes `.java` extension when running Java programs;
+* `javac` – appends missing `.java` when compiling Java files;
 * `lein_not_task` – fixes wrong `lein` tasks like `lein rpl`;
+* `ls_lah` – adds -lah to ls;
+* `man` – change manual section;
+* `man_no_space` – fixes man commands without spaces, for example `mandiff`;
+* `mercurial` – fixes wrong `hg` commands;
 * `mkdir_p` – adds `-p` when you trying to create directory without parent;
 * `no_command` – fixes wrong console commands, for example `vom/vim`;
+* `no_such_file` – creates missing directories with `mv` and `cp` commands;
+* `open` – prepends `http` to address passed to `open`;
 * `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`;
+* `python_execute` – appends missing `.py` when executing Python files;
+* `quotation_marks` – fixes uneven usage of `'` and `"` when containing args'
 * `rm_dir` – adds `-rf` when you trying to remove directory;
+* `sed_unterminated_s` – adds missing '/' to `sed`'s `s` commands;
+* `sl_ls` – changes `sl` to `ls`;
 * `ssh_known_hosts` – removes host from `known_hosts` on warning;
 * `sudo` – prepends `sudo` to previous command if it failed because of permissions;
 * `switch_layout` – switches command from your local layout to en;
+* `systemctl` – correctly orders parameters of confusing systemctl;
+* `test.py` – runs `py.test` instead of `test.py`;
+* `tmux` – fixes tmux commands;
+* `whois` – fixes `whois` command.
+
+Enabled by default only on specific platforms:
+
 * `apt_get` – installs app from apt if it not installed;
 * `brew_install` – fixes formula name for `brew install`;
-* `composer_not_command` – fixes composer command name.
+* `brew_unknown_command` – fixes wrong brew commands, for example `brew docto/brew doctor`;
+* `brew_upgrade` – appends `--all` to `brew upgrade` as per Homebrew's new behaviour
+* `pacman` – installs app with `pacman` or `yaourt` if it is not installed.
 
 Bundled, but not enabled by default:
 
-* `ls_lah` – adds -lah to ls;
 * `rm_root` – adds `--no-preserve-root` to `rm -rf /` command.
 
 ## Creating your own rules
@@ -167,7 +219,7 @@ in `~/.thefuck/rules`. Rule should contain two functions:
 and `get_new_command(command: Command, settings: Settings) -> str`.
 Also the rule can contain optional function
 `side_effect(command: Command, settings: Settings) -> None` and
-optional boolean `enabled_by_default`
+optional boolean `enabled_by_default`.
 
 `Command` has three attributes: `script`, `stdout` and `stderr`.
 
@@ -189,6 +241,8 @@ 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),
@@ -196,12 +250,14 @@ def side_effect(command, settings):
 
 ## Settings
 
-The Fuck has a few settings parameters, they can be changed in `~/.thefuck/settings.py`:
+The Fuck has a few settings parameters which can be changed in `~/.thefuck/settings.py`:
 
 * `rules` – list of enabled rules, by default `thefuck.conf.DEFAULT_RULES`;
-* `require_confirmation` – require confirmation before running new command, by default `False`;
+* `require_confirmation` – requires confirmation before running new command, by default `True`;
 * `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;
+* `debug` – enabled debug output, by default `False`;
 
 Example of `settings.py`:
 
@@ -210,6 +266,8 @@ rules = ['sudo', 'no_command']
 require_confirmation = True
 wait_command = 10
 no_colors = False
+priority = {'sudo': 100, 'no_command': 9999}
+debug = False
 ```
 
 Or via environment variables:
@@ -217,7 +275,10 @@ 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;
+* `THEFUCK_DEBUG` – enables debug output, `true/false`.
 
 For example:
 
@@ -226,6 +287,7 @@ 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 +1,5 @@
 pytest
 mock
+pytest-mock
+wheel
+setuptools>=17.1

setup.cfg

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

setup.py

@@ -1,8 +1,20 @@
+#!/usr/bin/env python
 from setuptools import setup, find_packages
+import sys
 
+if sys.version_info < (2, 7):
+    print('thefuck requires Python version 2.7 or later' +
+          ' ({}.{} detected).'.format(*sys.version_info[:2]))
+    sys.exit(-1)
+elif (3, 0) < sys.version_info < (3, 3):
+    print('thefuck requires Python version 3.3 or later' +
+          ' ({}.{} detected).'.format(*sys.version_info[:2]))
+    sys.exit(-1)
 
-VERSION = '1.34'
+VERSION = '2.0'
 
+install_requires = ['psutil', 'colorama', 'six']
+extras_require = {':python_version<"3.4"': ['pathlib']}
 
 setup(name='thefuck',
       version=VERSION,
@@ -15,6 +27,8 @@ setup(name='thefuck',
                                       'tests', 'release']),
       include_package_data=True,
       zip_safe=False,
-      install_requires=['pathlib', 'psutil', 'colorama', 'six'],
+      install_requires=install_requires,
+      extras_require=extras_require,
       entry_points={'console_scripts': [
-          'thefuck = thefuck.main:main', 'thefuck-alias = thefuck.main:alias']})
+          'thefuck = thefuck.main:main',
+          'thefuck-alias = thefuck.shells:app_alias']})

tests/conftest.py

@@ -0,0 +1,6 @@
+import pytest
+
+
+@pytest.fixture
+def no_memoize(monkeypatch):
+    monkeypatch.setattr('thefuck.utils.memoize.disabled', True)

tests/rules/conftest.py

@@ -0,0 +1,6 @@
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def generic_shell(monkeypatch):
+    monkeypatch.setattr('thefuck.shells.and_', lambda *x: ' && '.join(x))

tests/rules/test_apt_get.py

@@ -0,0 +1,59 @@
+import pytest
+from mock import Mock, patch
+from thefuck.rules import apt_get
+from thefuck.rules.apt_get import match, get_new_command
+from tests.utils import Command
+
+
+# python-commandnotfound is available in ubuntu 14.04+
+@pytest.mark.skipif(not getattr(apt_get, 'enabled_by_default', True),
+                    reason='Skip if python-commandnotfound is not available')
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr='vim: command not found')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, return_value', [
+    (Command(script='vim', stderr='vim: command not found'),
+     [('vim', 'main'), ('vim-tiny', 'main')])])
+@patch('thefuck.rules.apt_get.CommandNotFound', create=True)
+@patch.multiple(apt_get, create=True, apt_get='apt_get')
+def test_match_mocked(cmdnf_mock, command, return_value):
+    get_packages = Mock(return_value=return_value)
+    cmdnf_mock.CommandNotFound.return_value = Mock(getPackages=get_packages)
+    assert match(command, None)
+    assert cmdnf_mock.CommandNotFound.called
+    assert get_packages.called
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr=''), Command()])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+# python-commandnotfound is available in ubuntu 14.04+
+@pytest.mark.skipif(not getattr(apt_get, 'enabled_by_default', True),
+                    reason='Skip if python-commandnotfound is not available')
+@pytest.mark.parametrize('command, new_command', [
+    (Command('vim'), 'sudo apt-get install vim && vim'),
+    (Command('convert'), 'sudo apt-get install imagemagick && convert')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command
+
+
+@pytest.mark.parametrize('command, new_command, return_value', [
+    (Command('vim'), 'sudo apt-get install vim && vim',
+     [('vim', 'main'), ('vim-tiny', 'main')]),
+    (Command('convert'), 'sudo apt-get install imagemagick && convert',
+     [('imagemagick', 'main'),
+      ('graphicsmagick-imagemagick-compat', 'universe')])])
+@patch('thefuck.rules.apt_get.CommandNotFound', create=True)
+@patch.multiple(apt_get, create=True, apt_get='apt_get')
+def test_get_new_command_mocked(cmdnf_mock, command, new_command, return_value):
+    get_packages = Mock(return_value=return_value)
+    cmdnf_mock.CommandNotFound.return_value = Mock(getPackages=get_packages)
+    assert get_new_command(command, None) == new_command
+    assert cmdnf_mock.CommandNotFound.called
+    assert get_packages.called

tests/rules/test_brew_upgrade.py

@@ -0,0 +1,15 @@
+import pytest
+from thefuck.rules.brew_upgrade import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='brew upgrade')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('brew upgrade'), 'brew upgrade --all')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_cargo_no_command.py

@@ -0,0 +1,21 @@
+import pytest
+from thefuck.rules.cargo_no_command import match, get_new_command
+from tests.utils import Command
+
+
+no_such_subcommand = """No such subcommand
+
+        Did you mean `build`?
+"""
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='cargo buid', stderr=no_such_subcommand)])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('cargo buid', stderr=no_such_subcommand), 'cargo build')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_cp_omitting_directory.py

@@ -1,14 +1,22 @@
-from mock import Mock
+import pytest
 from thefuck.rules.cp_omitting_directory import match, get_new_command
+from tests.utils import Command
 
 
-def test_match():
+@pytest.mark.parametrize('script, stderr', [
-    assert match(Mock(script='cp dir', stderr="cp: omitting directory 'dir'"),
+    ('cp dir', 'cp: dor: is a directory'),
-                 None)
+    ('cp dir', "cp: omitting directory 'dir'")])
-    assert not match(Mock(script='some dir',
+def test_match(script, stderr):
-                          stderr="cp: omitting directory 'dir'"), None)
+    assert match(Command(script, stderr=stderr), None)
-    assert not match(Mock(script='cp dir', stderr=""), None)
+
+
+@pytest.mark.parametrize('script, stderr', [
+    ('some dir', 'cp: dor: is a directory'),
+    ('some dir', "cp: omitting directory 'dir'"),
+    ('cp dir', '')])
+def test_not_match(script, stderr):
+    assert not match(Command(script, stderr=stderr), None)
 
 
 def test_get_new_command():
-    assert get_new_command(Mock(script='cp dir'), None) == 'cp -a dir'
+    assert get_new_command(Command(script='cp dir'), None) == 'cp -a dir'

tests/rules/test_django_south_ghost.py

@@ -0,0 +1,53 @@
+import pytest
+from thefuck.rules.django_south_ghost import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''Traceback (most recent call last):
+  File "/home/nvbn/work/.../bin/python", line 42, in <module>
+    exec(compile(__file__f.read(), __file__, "exec"))
+  File "/home/nvbn/work/.../app/manage.py", line 34, in <module>
+    execute_from_command_line(sys.argv)
+  File "/home/nvbn/work/.../lib/django/core/management/__init__.py", line 443, in execute_from_command_line
+    utility.execute()
+  File "/home/nvbn/work/.../lib/django/core/management/__init__.py", line 382, in execute
+    self.fetch_command(subcommand).run_from_argv(self.argv)
+  File "/home/nvbn/work/.../lib/django/core/management/base.py", line 196, in run_from_argv
+    self.execute(*args, **options.__dict__)
+  File "/home/nvbn/work/.../lib/django/core/management/base.py", line 232, in execute
+    output = self.handle(*args, **options)
+  File "/home/nvbn/work/.../app/lib/south/management/commands/migrate.py", line 108, in handle
+    ignore_ghosts = ignore_ghosts,
+  File "/home/nvbn/work/.../app/lib/south/migration/__init__.py", line 193, in migrate_app
+    applied_all = check_migration_histories(applied_all, delete_ghosts, ignore_ghosts)
+  File "/home/nvbn/work/.../app/lib/south/migration/__init__.py", line 88, in check_migration_histories
+    raise exceptions.GhostMigrations(ghosts)
+south.exceptions.GhostMigrations: 
+
+ ! These migrations are in the database but not on disk:
+    <app1: 0033_auto__...>
+    <app1: 0034_fill_...>
+    <app1: 0035_rename_...>
+    <app2: 0003_add_...>
+    <app2: 0004_denormalize_...>
+    <app1: 0033_auto....>
+    <app1: 0034_fill...>
+ ! I'm not trusting myself; either fix this yourself by fiddling
+ ! with the south_migrationhistory table, or pass --delete-ghost-migrations
+ ! to South to have it delete ALL of these records (this may not be good).
+'''
+
+
+def test_match(stderr):
+    assert match(Command('./manage.py migrate', stderr=stderr), None)
+    assert match(Command('python manage.py migrate', stderr=stderr), None)
+    assert not match(Command('./manage.py migrate'), None)
+    assert not match(Command('app migrate', stderr=stderr), None)
+    assert not match(Command('./manage.py test', stderr=stderr), None)
+
+
+def test_get_new_command():
+    assert get_new_command(Command('./manage.py migrate auth'), None)\
+        == './manage.py migrate auth --delete-ghost-migrations'

tests/rules/test_django_south_merge.py

@@ -0,0 +1,43 @@
+import pytest
+from thefuck.rules.django_south_merge import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''Running migrations for app:
+ ! Migration app:0003_auto... should not have been applied before app:0002_auto__add_field_query_due_date_ but was.
+Traceback (most recent call last):
+  File "/home/nvbn/work/.../bin/python", line 42, in <module>
+    exec(compile(__file__f.read(), __file__, "exec"))
+  File "/home/nvbn/work/.../app/manage.py", line 34, in <module>
+    execute_from_command_line(sys.argv)
+  File "/home/nvbn/work/.../lib/django/core/management/__init__.py", line 443, in execute_from_command_line
+    utility.execute()
+  File "/home/nvbn/work/.../lib/django/core/management/__init__.py", line 382, in execute
+    self.fetch_command(subcommand).run_from_argv(self.argv)
+  File "/home/nvbn/work/.../lib/django/core/management/base.py", line 196, in run_from_argv
+    self.execute(*args, **options.__dict__)
+  File "/home/nvbn/work/.../lib/django/core/management/base.py", line 232, in execute
+    output = self.handle(*args, **options)
+  File "/home/nvbn/work/.../app/lib/south/management/commands/migrate.py", line 108, in handle
+    ignore_ghosts = ignore_ghosts,
+  File "/home/nvbn/work/.../app/lib/south/migration/__init__.py", line 207, in migrate_app
+    raise exceptions.InconsistentMigrationHistory(problems)
+south.exceptions.InconsistentMigrationHistory: Inconsistent migration history
+The following options are available:
+    --merge: will just attempt the migration ignoring any potential dependency conflicts.
+'''
+
+
+def test_match(stderr):
+    assert match(Command('./manage.py migrate', stderr=stderr), None)
+    assert match(Command('python manage.py migrate', stderr=stderr), None)
+    assert not match(Command('./manage.py migrate'), None)
+    assert not match(Command('app migrate', stderr=stderr), None)
+    assert not match(Command('./manage.py test', stderr=stderr), None)
+
+
+def test_get_new_command():
+    assert get_new_command(Command('./manage.py migrate auth'), None) \
+           == './manage.py migrate auth --merge'

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_git_add.py

@@ -0,0 +1,39 @@
+import pytest
+from thefuck.rules.git_add import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def did_not_match(target, did_you_forget=True):
+    error = ("error: pathspec '{}' did not match any "
+             "file(s) known to git.".format(target))
+    if did_you_forget:
+        error = ("{}\nDid you forget to 'git add'?'".format(error))
+    return error
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git submodule update unknown',
+            stderr=did_not_match('unknown')),
+    Command(script='git commit unknown',
+            stderr=did_not_match('unknown'))])  # Older versions of Git
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git submodule update known', stderr=('')),
+    Command(script='git commit known', stderr=('')),
+    Command(script='git commit unknown',  # Newer versions of Git
+            stderr=did_not_match('unknown', False))])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('git submodule update unknown', stderr=did_not_match('unknown')),
+     'git add -- unknown && git submodule update unknown'),
+    (Command('git commit unknown', stderr=did_not_match('unknown')),  # Old Git
+     'git add -- unknown && git commit unknown')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_git_branch_delete.py

@@ -0,0 +1,22 @@
+import pytest
+from thefuck.rules.git_branch_delete import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''error: The branch 'branch' is not fully merged.
+If you are sure you want to delete it, run 'git branch -D branch'.
+
+'''
+
+
+def test_match(stderr):
+    assert match(Command('git branch -d branch', stderr=stderr), None)
+    assert not match(Command('git branch -d branch'), None)
+    assert not match(Command('ls', stderr=stderr), None)
+
+
+def test_get_new_command(stderr):
+    assert get_new_command(Command('git branch -d branch', stderr=stderr), None)\
+        == "git branch -D branch"

tests/rules/test_git_branch_list.py

@@ -0,0 +1,18 @@
+from thefuck import shells
+from thefuck.rules.git_branch_list import match, get_new_command
+from tests.utils import Command
+
+def test_match():
+    assert match(Command('git branch list'), None)
+
+
+def test_not_match():
+    assert not match(Command(), None)
+    assert not match(Command('git commit'), None)
+    assert not match(Command('git branch'), None)
+    assert not match(Command('git stash list'), None)
+
+
+def test_get_new_command():
+    assert (get_new_command(Command('git branch list'), None) ==
+            shells.and_('git branch --delete list', 'git branch'))

tests/rules/test_git_checkout.py

@@ -0,0 +1,37 @@
+import pytest
+from thefuck.rules.git_checkout import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def did_not_match(target, did_you_forget=False):
+    error = ("error: pathspec '{}' did not match any "
+             "file(s) known to git.".format(target))
+    if did_you_forget:
+        error = ("{}\nDid you forget to 'git add'?'".format(error))
+    return error
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git checkout unknown', stderr=did_not_match('unknown')),
+    Command(script='git commit unknown', stderr=did_not_match('unknown'))])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git submodule update unknown',
+            stderr=did_not_match('unknown', True)),
+    Command(script='git checkout known', stderr=('')),
+    Command(script='git commit known', stderr=(''))])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command(script='git checkout unknown', stderr=did_not_match('unknown')),
+     'git branch unknown && git checkout unknown'),
+    (Command('git commit unknown', stderr=did_not_match('unknown')),
+     'git branch unknown && git commit unknown')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_git_diff_staged.py

@@ -0,0 +1,23 @@
+import pytest
+from thefuck.rules.git_diff_staged import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [Command(script='git diff')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git diff --staged'),
+    Command(script='git tag'),
+    Command(script='git branch'),
+    Command(script='git log')])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('git diff'), 'git diff --staged')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_git_not_command.py

@@ -25,6 +25,16 @@ stats
 """
 
 
+@pytest.fixture
+def git_not_command_closest():
+    return '''git: 'tags' is not a git command. See 'git --help'.
+
+Did you mean one of these?
+	stage
+	tag
+'''
+
+
 @pytest.fixture
 def git_command():
     return "* master"
@@ -37,8 +47,11 @@ def test_match(git_not_command, git_command, git_not_command_one_of_this):
     assert not match(Command('git branch', stderr=git_command), None)
 
 
-def test_get_new_command(git_not_command, git_not_command_one_of_this):
+def test_get_new_command(git_not_command, git_not_command_one_of_this,
-    assert get_new_command(Command('git brnch', stderr=git_not_command), None)\
+                         git_not_command_closest):
-        == 'git branch'
+    assert get_new_command(Command('git brnch', stderr=git_not_command), None) \
+           == 'git branch'
     assert get_new_command(Command('git st', stderr=git_not_command_one_of_this),
                            None) == 'git status'
+    assert get_new_command(Command('git tags', stderr=git_not_command_closest),
+                           None) == 'git tag'

tests/rules/test_git_pull.py

@@ -0,0 +1,29 @@
+import pytest
+from thefuck.rules.git_pull import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def stderr():
+    return '''There is no tracking information for the current branch.
+Please specify which branch you want to merge with.
+See git-pull(1) for details
+
+    git pull <remote> <branch>
+
+If you wish to set tracking information for this branch you can do so with:
+
+    git branch --set-upstream-to=<remote>/<branch> master
+
+'''
+
+
+def test_match(stderr):
+    assert match(Command('git pull', stderr=stderr), None)
+    assert not match(Command('git pull'), None)
+    assert not match(Command('ls', stderr=stderr), None)
+
+
+def test_get_new_command(stderr):
+    assert get_new_command(Command('git pull', stderr=stderr), None) \
+           == "git branch --set-upstream-to=origin/master master && git pull"

tests/rules/test_git_stash.py

@@ -0,0 +1,37 @@
+import pytest
+from thefuck.rules.git_stash import match, get_new_command
+from tests.utils import Command
+
+
+cherry_pick_error = (
+        'error: Your local changes would be overwritten by cherry-pick.\n'
+        'hint: Commit your changes or stash them to proceed.\n'
+        'fatal: cherry-pick failed')
+
+
+rebase_error = (
+        'Cannot rebase: Your index contains uncommitted changes.\n'
+        'Please commit or stash them.')
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git cherry-pick a1b2c3d', stderr=cherry_pick_error),
+    Command(script='git rebase -i HEAD~7', stderr=rebase_error)])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='git cherry-pick a1b2c3d', stderr=('')),
+    Command(script='git rebase -i HEAD~7', stderr=(''))])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command(script='git cherry-pick a1b2c3d', stderr=cherry_pick_error),
+     'git stash && git cherry-pick a1b2c3d'),
+    (Command('git rebase -i HEAD~7', stderr=rebase_error),
+     'git stash && git rebase -i HEAD~7')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_go_run.py

@@ -0,0 +1,17 @@
+import pytest
+from thefuck.rules.go_run import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='go run foo'), 
+    Command(script='go run bar')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('go run foo'), 'go run foo.go'),
+    (Command('go run bar'), 'go run bar.go')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_grep_recursive.py

@@ -0,0 +1,12 @@
+from thefuck.rules.grep_recursive import match, get_new_command
+from tests.utils import Command
+
+
+def test_match():
+    assert match(Command('grep blah .', stderr='grep: .: Is a directory'), None)
+    assert not match(Command(), None)
+
+
+def test_get_new_command():
+    assert get_new_command(
+        Command('grep blah .'), None) == 'grep -r blah .'

tests/rules/test_history.py

@@ -0,0 +1,35 @@
+import pytest
+from thefuck.rules.history import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def history(mocker):
+    return mocker.patch('thefuck.rules.history.get_history',
+                        return_value=['ls cat', 'diff x', 'nocommand x'])
+
+
+@pytest.fixture
+def callables(mocker):
+    return mocker.patch('thefuck.rules.history.get_all_callables',
+                        return_value=['diff', 'ls'])
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script', ['ls cet', 'daff x'])
+def test_match(script):
+    assert match(Command(script=script), None)
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script', ['apt-get', 'nocommand y'])
+def test_not_match(script):
+    assert not match(Command(script=script), None)
+
+
+@pytest.mark.usefixtures('history', 'callables', 'no_memoize')
+@pytest.mark.parametrize('script, result', [
+    ('ls cet', 'ls cat'),
+    ('daff x', 'diff x')])
+def test_get_new_command(script, result):
+    assert get_new_command(Command(script), None) == result

tests/rules/test_java.py

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

tests/rules/test_javac.py

@@ -0,0 +1,17 @@
+import pytest
+from thefuck.rules.javac import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='javac foo'),
+    Command(script='javac bar')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('javac foo'), 'javac foo.java'),
+    (Command('javac bar'), 'javac bar.java')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_ls_lah.py

@@ -3,9 +3,12 @@ from thefuck.rules.ls_lah import match, get_new_command
 
 
 def test_match():
+    assert match(Mock(script='ls'), None)
     assert match(Mock(script='ls file.py'), None)
     assert match(Mock(script='ls /opt'), None)
     assert not match(Mock(script='ls -lah /opt'), None)
+    assert not match(Mock(script='pacman -S binutils'), None)
+    assert not match(Mock(script='lsof'), None)
 
 
 def test_get_new_command():

tests/rules/test_man.py

@@ -0,0 +1,34 @@
+import pytest
+from thefuck.rules.man import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command('man read'),
+    Command('man 2 read'),
+    Command('man 3 read'),
+    Command('man -s2 read'),
+    Command('man -s3 read'),
+    Command('man -s 2 read'),
+    Command('man -s 3 read')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command('man'),
+    Command('man ')])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('man read'), 'man 3 read'),
+    (Command('man 2 read'), 'man 3 read'),
+    (Command('man 3 read'), 'man 2 read'),
+    (Command('man -s2 read'), 'man -s3 read'),
+    (Command('man -s3 read'), 'man -s2 read'),
+    (Command('man -s 2 read'), 'man -s 3 read'),
+    (Command('man -s 3 read'), 'man -s 2 read')])
+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/rules/test_mercurial.py

@@ -0,0 +1,134 @@
+import pytest
+
+from tests.utils import Command
+from thefuck.rules.mercurial import (
+    extract_possisiblities, match, get_new_command
+)
+
+
+@pytest.mark.parametrize('command', [
+    Command('hg base', stderr=(
+        "hg: unknown command 'base'"
+        '\n(did you mean one of blame, phase, rebase?)'
+    )),
+    Command('hg branchch', stderr=(
+        "hg: unknown command 'branchch'"
+        '\n(did you mean one of branch, branches?)'
+    )),
+    Command('hg vert', stderr=(
+        "hg: unknown command 'vert'"
+        '\n(did you mean one of revert?)'
+    )),
+    Command('hg lgo -r tip', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n(did you mean one of log?)'
+    )),
+    Command('hg rerere', stderr=(
+        "hg: unknown command 'rerere'"
+        '\n(did you mean one of revert?)'
+    )),
+    Command('hg re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )),
+    Command('hg re re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )),
+])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command('hg', stderr=(
+        '\nMercurial Distributed SCM\n\nbasic commands:'
+    )),
+    Command('hg asdf', stderr=(
+        "hg: unknown command 'asdf'"
+        '\nMercurial Distributed SCM\n\nbasic commands:'
+    )),
+    Command('hg qwer', stderr=(
+        "hg: unknown command 'qwer'"
+        '\nMercurial Distributed SCM\n\nbasic commands:'
+    )),
+    Command('hg me', stderr=(
+        "\nabort: no repository found in './thefuck' (.hg not found)!"
+    )),
+    Command('hg reb', stderr=(
+        "\nabort: no repository found in './thefuck' (.hg not found)!"
+    )),
+    Command('hg co', stderr=(
+        "\nabort: no repository found in './thefuck' (.hg not found)!"
+    )),
+])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, possibilities', [
+    (Command('hg base', stderr=(
+        "hg: unknown command 'base'"
+        '\n(did you mean one of blame, phase, rebase?)'
+    )), ['blame', 'phase', 'rebase']),
+    (Command('hg branchch', stderr=(
+        "hg: unknown command 'branchch'"
+        '\n(did you mean one of branch, branches?)'
+    )), ['branch', 'branches']),
+    (Command('hg vert', stderr=(
+        "hg: unknown command 'vert'"
+        '\n(did you mean one of revert?)'
+    )), ['revert']),
+    (Command('hg lgo -r tip', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n(did you mean one of log?)'
+    )), ['log']),
+    (Command('hg rerere', stderr=(
+        "hg: unknown command 'rerere'"
+        '\n(did you mean one of revert?)'
+    )), ['revert']),
+    (Command('hg re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )), ['rebase', 'recover', 'remove', 'rename', 'resolve', 'revert']),
+    (Command('hg re re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )), ['rebase', 'recover', 'remove', 'rename', 'resolve', 'revert']),
+])
+def test_extract_possisiblities(command, possibilities):
+    assert extract_possisiblities(command) == possibilities
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('hg base', stderr=(
+        "hg: unknown command 'base'"
+        '\n(did you mean one of blame, phase, rebase?)'
+    )), 'hg rebase'),
+    (Command('hg branchch', stderr=(
+        "hg: unknown command 'branchch'"
+        '\n(did you mean one of branch, branches?)'
+    )), 'hg branch'),
+    (Command('hg vert', stderr=(
+        "hg: unknown command 'vert'"
+        '\n(did you mean one of revert?)'
+    )), 'hg revert'),
+    (Command('hg lgo -r tip', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n(did you mean one of log?)'
+    )), 'hg log -r tip'),
+    (Command('hg rerere', stderr=(
+        "hg: unknown command 'rerere'"
+        '\n(did you mean one of revert?)'
+    )), 'hg revert'),
+    (Command('hg re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )), 'hg rebase'),
+    (Command('hg re re', stderr=(
+        "hg: command 're' is ambiguous:"
+        '\n    rebase recover remove rename resolve revert'
+    )), 'hg rebase re'),
+])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_no_command.py

@@ -1,19 +1,42 @@
-from mock import patch, Mock
+import pytest
-from thefuck.rules.no_command import match, get_new_command
+from thefuck.rules.no_command import match, get_new_command, get_all_callables
+from tests.utils import Command
 
 
-def test_match():
+@pytest.fixture(autouse=True)
-    with patch('thefuck.rules.no_command._get_all_bins',
+def _safe(mocker):
-               return_value=['vim', 'apt-get']):
+    mocker.patch('thefuck.rules.no_command._safe', return_value=[])
-        assert match(Mock(stderr='vom: not found', script='vom file.py'), None)
-        assert not match(Mock(stderr='qweqwe: not found', script='qweqwe'), None)
-        assert not match(Mock(stderr='some text', script='vom file.py'), None)
 
 
-def test_get_new_command():
+@pytest.fixture(autouse=True)
-    with patch('thefuck.rules.no_command._get_all_bins',
+def get_aliases(mocker):
-               return_value=['vim', 'apt-get']):
+    mocker.patch('thefuck.rules.no_command.get_aliases',
-        assert get_new_command(
+                 return_value=['vim', 'apt-get', 'fsck', 'fuck'])
-            Mock(stderr='vom: not found',
+
-                 script='vom file.py'),
+
-            None) == 'vim file.py'
+@pytest.mark.usefixtures('no_memoize')
+def test_get_all_callables(*args):
+    all_callables = get_all_callables()
+    assert 'vim' in all_callables
+    assert 'fsck' in all_callables
+    assert 'fuck' not in all_callables
+
+
+@pytest.mark.usefixtures('no_memoize')
+def test_match(*args):
+    assert match(Command(stderr='vom: not found', script='vom file.py'), None)
+    assert match(Command(stderr='fucck: not found', script='fucck'), None)
+    assert not match(Command(stderr='qweqwe: not found', script='qweqwe'), None)
+    assert not match(Command(stderr='some text', script='vom file.py'), None)
+
+
+@pytest.mark.usefixtures('no_memoize')
+def test_get_new_command(*args):
+    assert get_new_command(
+        Command(stderr='vom: not found',
+                script='vom file.py'),
+        None) == 'vim file.py'
+    assert get_new_command(
+        Command(stderr='fucck: not found',
+                script='fucck'),
+        Command) == 'fsck'

tests/rules/test_no_such_file.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.no_such_file import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='mv foo bar/foo', stderr="mv: cannot move 'foo' to 'bar/foo': No such file or directory"),
+    Command(script='mv foo bar/', stderr="mv: cannot move 'foo' to 'bar/': No such file or directory"),
+    ])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command(script='mv foo bar/foo', stderr="mv: cannot move 'foo' to 'bar/foo': No such file or directory"), 'mkdir -p bar && mv foo bar/foo'),
+    (Command(script='mv foo bar/', stderr="mv: cannot move 'foo' to 'bar/': No such file or directory"), 'mkdir -p bar && mv foo bar/'),
+    ])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_open.py

@@ -0,0 +1,25 @@
+import pytest
+from thefuck.rules.open import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='open foo.com'),
+    Command(script='open foo.ly'),
+    Command(script='open foo.org'),
+    Command(script='open foo.net'),
+    Command(script='open foo.se'),
+    Command(script='open foo.io')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('open foo.com'), 'open http://foo.com'),
+    (Command('open foo.ly'), 'open http://foo.ly'),
+    (Command('open foo.org'), 'open http://foo.org'),
+    (Command('open foo.net'), 'open http://foo.net'),
+    (Command('open foo.se'), 'open http://foo.se'),
+    (Command('open foo.io'), 'open http://foo.io')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_pacman.py

@@ -0,0 +1,69 @@
+import pytest
+from mock import patch
+from thefuck.rules import pacman
+from thefuck.rules.pacman import match, get_new_command
+from tests.utils import Command
+
+
+pacman_cmd = getattr(pacman, 'pacman', 'pacman')
+
+PKGFILE_OUTPUT_CONVERT = '''
+extra/imagemagick 6.9.1.0-1\t/usr/bin/convert
+'''
+
+PKGFILE_OUTPUT_VIM = '''
+extra/gvim 7.4.712-1        \t/usr/bin/vim
+extra/gvim-python3 7.4.712-1\t/usr/bin/vim
+extra/vim 7.4.712-1         \t/usr/bin/vim
+extra/vim-minimal 7.4.712-1 \t/usr/bin/vim
+extra/vim-python3 7.4.712-1 \t/usr/bin/vim
+'''
+
+
+@pytest.mark.skipif(not getattr(pacman, 'enabled_by_default', True),
+                    reason='Skip if pacman is not available')
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr='vim: command not found'),
+    Command(script='sudo vim', stderr='sudo: vim: command not found')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, return_value', [
+    (Command(script='vim', stderr='vim: command not found'), PKGFILE_OUTPUT_VIM),
+    (Command(script='sudo vim', stderr='sudo: vim: command not found'), PKGFILE_OUTPUT_VIM)])
+@patch('thefuck.rules.pacman.subprocess')
+@patch.multiple(pacman, create=True, pacman=pacman_cmd)
+def test_match_mocked(subp_mock, command, return_value):
+    subp_mock.check_output.return_value = return_value
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='vim', stderr=''), Command(),
+    Command(script='sudo vim', stderr=''), Command()])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.skipif(not getattr(pacman, 'enabled_by_default', True),
+                    reason='Skip if pacman is not available')
+@pytest.mark.parametrize('command, new_command', [
+    (Command('vim'), '{} -S extra/gvim && vim'.format(pacman_cmd)),
+    (Command('sudo vim'), '{} -S extra/gvim && sudo vim'.format(pacman_cmd)),
+    (Command('convert'), '{} -S extra/imagemagick && convert'.format(pacman_cmd)),
+    (Command('sudo convert'), '{} -S extra/imagemagick && sudo convert'.format(pacman_cmd))])
+def test_get_new_command(command, new_command, mocker):
+    assert get_new_command(command, None) == new_command
+
+
+@pytest.mark.parametrize('command, new_command, return_value', [
+    (Command('vim'), '{} -S extra/gvim && vim'.format(pacman_cmd), PKGFILE_OUTPUT_VIM),
+    (Command('sudo vim'), '{} -S extra/gvim && sudo vim'.format(pacman_cmd), PKGFILE_OUTPUT_VIM),
+    (Command('convert'), '{} -S extra/imagemagick && convert'.format(pacman_cmd), PKGFILE_OUTPUT_CONVERT),
+    (Command('sudo convert'), '{} -S extra/imagemagick && sudo convert'.format(pacman_cmd), PKGFILE_OUTPUT_CONVERT)])
+@patch('thefuck.rules.pacman.subprocess')
+@patch.multiple(pacman, create=True, pacman=pacman_cmd)
+def test_get_new_command_mocked(subp_mock, command, new_command, return_value):
+    subp_mock.check_output.return_value = return_value
+    assert get_new_command(command, None) == new_command

tests/rules/test_python_execute.py

@@ -0,0 +1,17 @@
+import pytest
+from thefuck.rules.python_execute import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='python foo'),
+    Command(script='python bar')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('python foo'), 'python foo.py'),
+    (Command('python bar'), 'python bar.py')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_quotation_marks.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.quotation_marks import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script="git commit -m \'My Message\""),
+    Command(script="git commit -am \"Mismatched Quotation Marks\'"),
+    Command(script="echo \"hello\'")])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command("git commit -m \'My Message\""), "git commit -m \"My Message\""),
+    (Command("git commit -am \"Mismatched Quotation Marks\'"), "git commit -am \"Mismatched Quotation Marks\""),
+    (Command("echo \"hello\'"), "echo \"hello\"")])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

tests/rules/test_sed_unterminated_s.py

@@ -0,0 +1,28 @@
+import pytest
+from thefuck.rules.sed_unterminated_s import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def sed_unterminated_s():
+    return "sed: -e expression #1, char 9: unterminated `s' command"
+
+
+def test_match(sed_unterminated_s):
+    assert match(Command('sed -e s/foo/bar', stderr=sed_unterminated_s), None)
+    assert match(Command('sed -es/foo/bar', stderr=sed_unterminated_s), None)
+    assert match(Command('sed -e s/foo/bar -e s/baz/quz', stderr=sed_unterminated_s), None)
+    assert not match(Command('sed -e s/foo/bar'), None)
+    assert not match(Command('sed -es/foo/bar'), None)
+    assert not match(Command('sed -e s/foo/bar -e s/baz/quz'), None)
+
+
+def test_get_new_command(sed_unterminated_s):
+    assert get_new_command(Command('sed -e s/foo/bar', stderr=sed_unterminated_s), None) \
+            == 'sed -e s/foo/bar/'
+    assert get_new_command(Command('sed -es/foo/bar', stderr=sed_unterminated_s), None) \
+            == 'sed -es/foo/bar/'
+    assert get_new_command(Command(r"sed -e 's/\/foo/bar'", stderr=sed_unterminated_s), None) \
+            == r"sed -e 's/\/foo/bar/'"
+    assert get_new_command(Command(r"sed -e s/foo/bar -es/baz/quz", stderr=sed_unterminated_s), None) \
+            == r"sed -e s/foo/bar/ -es/baz/quz/"

tests/rules/test_sudo.py

@@ -8,6 +8,9 @@ from tests.utils import Command
     ('permission denied', ''),
     ("npm ERR! Error: EACCES, unlink", ''),
     ('requested operation requires superuser privilege', ''),
+    ('need to be root', ''),
+    ('need root', ''),
+    ('must be root', ''),
     ('', "error: [Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/ipaddr.py'")])
 def test_match(stderr, stdout):
     assert match(Command(stderr=stderr, stdout=stdout), None)

tests/rules/test_systemctl.py

@@ -0,0 +1,18 @@
+import pytest
+from thefuck.rules.systemctl import match, get_new_command
+from tests.utils import Command
+
+
+
+def test_match():
+    assert match(Command('systemctl nginx start', stderr='Unknown operation \'nginx\'.'), None)
+    assert match(Command('sudo systemctl nginx start', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl start nginx'), None)
+    assert not match(Command('systemctl start nginx'), None)
+    assert not match(Command('sudo systemctl nginx', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl nginx', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl start wtf', stderr='Failed to start wtf.service: Unit wtf.service failed to load: No such file or directory.'), None)
+
+def test_get_new_command():
+    assert get_new_command(Command('systemctl nginx start'), None) == "systemctl start nginx"
+    assert get_new_command(Command('sudo systemctl nginx start'), None) == "sudo systemctl start nginx"

tests/rules/test_tmux.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.tmux import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def tmux_ambiguous():
+    return "ambiguous command: list, could be: " \
+           "list-buffers, list-clients, list-commands, list-keys, " \
+           "list-panes, list-sessions, list-windows"
+
+
+def test_match(tmux_ambiguous):
+    assert match(Command('tmux list', stderr=tmux_ambiguous), None)
+
+
+def test_get_new_command(tmux_ambiguous):
+    assert get_new_command(Command('tmux list', stderr=tmux_ambiguous), None)\
+        == 'tmux list-keys'

tests/rules/test_whois.py

@@ -0,0 +1,23 @@
+import pytest
+from thefuck.rules.whois import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='whois https://en.wikipedia.org/wiki/Main_Page'),
+    Command(script='whois https://en.wikipedia.org/'),
+    Command(script='whois en.wikipedia.org')])
+def test_match(command):
+    assert match(command, None)
+
+
+def test_not_match():
+    assert not match(Command(script='whois'), None)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('whois https://en.wikipedia.org/wiki/Main_Page'), 'whois en.wikipedia.org'),
+    (Command('whois https://en.wikipedia.org/'), 'whois en.wikipedia.org'),
+    (Command('whois en.wikipedia.org'), 'whois wikipedia.org')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, None) == new_command

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_history.py

@@ -1,42 +0,0 @@
-import pytest
-from mock import Mock
-from thefuck.history import History
-
-
-class TestHistory(object):
-    @pytest.fixture(autouse=True)
-    def process(self, monkeypatch):
-        Process = Mock()
-        Process.return_value.parent.return_value.pid = 1
-        monkeypatch.setattr('thefuck.history.Process', Process)
-        return Process
-
-    @pytest.fixture(autouse=True)
-    def db(self, monkeypatch):
-        class DBMock(dict):
-            def __init__(self):
-                super(DBMock, self).__init__()
-                self.sync = Mock()
-
-            def __call__(self, *args, **kwargs):
-                return self
-
-        db = DBMock()
-        monkeypatch.setattr('thefuck.history.shelve.open', db)
-        return db
-
-    def test_set(self, db):
-        history = History()
-        history.update(last_command='ls',
-                       last_fixed_command=None)
-        assert db == {'1-last_command': 'ls',
-                      '1-last_fixed_command': None}
-
-    def test_get(self, db):
-        history = History()
-        db['1-last_command'] = 'cd ..'
-        assert history.last_command == 'cd ..'
-
-    def test_get_without_value(self):
-        history = History()
-        assert history.last_command is None

tests/test_logs.py

@@ -5,3 +5,10 @@ from thefuck import logs
 def test_color():
     assert logs.color('red', Mock(no_colors=False)) == 'red'
     assert logs.color('red', Mock(no_colors=True)) == ''
+
+
+def test_debug(capsys):
+    logs.debug('test', Mock(no_colors=True, debug=True))
+    assert capsys.readouterr() == ('', 'DEBUG: test\n')
+    logs.debug('test', Mock(no_colors=True, debug=False))
+    assert capsys.readouterr() == ('', '')

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):
@@ -56,30 +77,23 @@ class TestGetCommand(object):
         monkeypatch.setattr('thefuck.shells.to_shell', lambda x: x)
 
     def test_get_command_calls(self, Popen):
-        assert main.get_command(Mock(), Mock(),
+        assert main.get_command(Mock(env={}),
             ['thefuck', 'apt-get', 'search', 'vim']) \
                == Command('apt-get search vim', 'stdout', 'stderr')
         Popen.assert_called_once_with('apt-get search vim',
                                       shell=True,
                                       stdout=PIPE,
                                       stderr=PIPE,
-                                      env={'LANG': 'C'})
+                                      env={})
 
-    @pytest.mark.parametrize('history, args, result', [
+    @pytest.mark.parametrize('args, result', [
-        (Mock(), [''], None),
+        (['thefuck', 'ls', '-la'], 'ls -la'),
-        (Mock(last_command='ls', last_fixed_command='ls -la'),
+        (['thefuck', 'ls'], 'ls')])
-         ['thefuck', 'fuck'], 'ls -la'),
+    def test_get_command_script(self, args, result):
-        (Mock(last_command='ls', last_fixed_command='ls -la'),
-         ['thefuck', 'ls'], 'ls -la'),
-        (Mock(last_command='ls', last_fixed_command=''),
-         ['thefuck', 'ls'], 'ls'),
-        (Mock(last_command='ls', last_fixed_command=''),
-         ['thefuck', 'fuck'], 'ls')])
-    def test_get_command_script(self, history, args, result):
         if result:
-            assert main.get_command(Mock(), history, args).script == result
+            assert main.get_command(Mock(env={}), args).script == result
         else:
-            assert main.get_command(Mock(), history, args) is None
+            assert main.get_command(Mock(env={}), args) is None
 
 
 class TestGetMatchedRule(object):
@@ -96,52 +110,41 @@ class TestGetMatchedRule(object):
     def test_when_rule_failed(self, capsys):
         main.get_matched_rule(
             Command('ls'), [Rule('test', Mock(side_effect=OSError('Denied')))],
-            Mock(no_colors=True))
+            Mock(no_colors=True, debug=False))
         assert capsys.readouterr()[1].split('\n')[0] == '[WARN] Rule test:'
 
 
 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'),
-                      Command(), Mock(), None)
+                      Command(), None)
         assert capsys.readouterr() == ('new-command\n', '')
 
     def test_run_rule_with_side_effect(self, capsys):
         side_effect = Mock()
-        settings = Mock()
+        settings = Mock(debug=False)
         command = Command()
         main.run_rule(Rule(get_new_command=lambda *_: 'new-command',
                            side_effect=side_effect),
-                      command, Mock(), settings)
+                      command, settings)
         assert capsys.readouterr() == ('new-command\n', '')
         side_effect.assert_called_once_with(command, settings)
 
-    def test_hisotry_updated(self):
-        history = Mock()
-        main.run_rule(Rule(get_new_command=lambda *_: 'ls -lah'),
-                      Command('ls'), history, None)
-        history.update.assert_called_once_with(last_command='ls',
-                                               last_fixed_command='ls -lah')
-
     def test_when_not_comfirmed(self, capsys, confirm):
         confirm.return_value = False
         main.run_rule(Rule(get_new_command=lambda *_: 'new-command'),
-                      Command(), Mock(), None)
+                      Command(), None)
         assert capsys.readouterr() == ('', '')
 
 
 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

@@ -1,22 +1,71 @@
 import pytest
-from mock import Mock
 from thefuck import shells
 
 
+@pytest.fixture
+def builtins_open(mocker):
+    return mocker.patch('six.moves.builtins.open')
+
+
+@pytest.fixture
+def isfile(mocker):
+    return mocker.patch('os.path.isfile', return_value=True)
+
+
+@pytest.fixture
+@pytest.mark.usefixtures('isfile')
+def history_lines(mocker):
+    def aux(lines):
+        mock = mocker.patch('io.open')
+        mock.return_value.__enter__\
+            .return_value.__iter__.return_value = lines
+    return aux
+
+
 class TestGeneric(object):
-    def test_from_shell(self):
+    @pytest.fixture
-        assert shells.Generic().from_shell('pwd') == 'pwd'
+    def shell(self):
+        return shells.Generic()
 
-    def test_to_shell(self):
+    def test_from_shell(self, shell):
-        assert shells.Bash().to_shell('pwd') == 'pwd'
+        assert shell.from_shell('pwd') == 'pwd'
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_put_to_history(self, builtins_open, shell):
+        assert shell.put_to_history('ls') is None
+        assert builtins_open.call_count == 0
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias()
+        assert 'thefuck' in shell.app_alias()
+        assert 'TF_ALIAS' in shell.app_alias()
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['ls', 'rm'])
+        # We don't know what to do in generic shell with history lines,
+        # so just ignore them:
+        assert list(shell.get_history()) == []
 
 
+@pytest.mark.usefixtures('isfile')
 class TestBash(object):
+    @pytest.fixture
+    def shell(self):
+        return shells.Bash()
+
     @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 fuck=\'eval $(thefuck $(fc -ln -1))\'\n'
             b'alias l=\'ls -CF\'\n'
             b'alias la=\'ls -A\'\n'
             b'alias ll=\'ls -alF\'')
@@ -24,30 +73,159 @@ class TestBash(object):
 
     @pytest.mark.parametrize('before, after', [
         ('pwd', 'pwd'),
+        ('fuck', 'eval $(thefuck $(fc -ln -1))'),
+        ('awk', 'awk'),
         ('ll', 'ls -alF')])
-    def test_from_shell(self, before, after):
+    def test_from_shell(self, before, after, shell):
-        assert shells.Bash().from_shell(before) == after
+        assert shell.from_shell(before) == after
 
-    def test_to_shell(self):
+    def test_to_shell(self, shell):
-        assert shells.Bash().to_shell('pwd') == 'pwd'
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_put_to_history(self, builtins_open, shell):
+        shell.put_to_history('ls')
+        builtins_open.return_value.__enter__.return_value. \
+            write.assert_called_once_with('ls\n')
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {'fuck': 'eval $(thefuck $(fc -ln -1))',
+                                       'l': 'ls -CF',
+                                       'la': 'ls -A',
+                                       'll': 'ls -alF'}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias()
+        assert 'thefuck' in shell.app_alias()
+        assert 'TF_ALIAS' in shell.app_alias()
+
+    def test_get_history(self, history_lines, shell):
+        history_lines(['ls', 'rm'])
+        assert list(shell.get_history()) == ['ls', 'rm']
 
 
-class TestZsh(object):
+@pytest.mark.usefixtures('isfile')
+class TestFish(object):
+    @pytest.fixture
+    def shell(self):
+        return shells.Fish()
+
     @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'cd\nfish_config\nfuck\nfunced\nfuncsave\ngrep\nhistory\nll\nls\n'
+            b'man\nmath\npopd\npushd\nruby')
+        return mock
+
+    @pytest.fixture
+    def environ(self, monkeypatch):
+        data = {'TF_OVERRIDDEN_ALIASES': 'cd, ls, man, open'}
+        monkeypatch.setattr('thefuck.shells.os.environ', data)
+        return data
+
+    @pytest.mark.usefixture('environ')
+    def test_get_overridden_aliases(self, shell, environ):
+        assert shell._get_overridden_aliases() == ['cd', 'ls', 'man', 'open']
+
+    @pytest.mark.parametrize('before, after', [
+        ('cd', 'cd'),
+        ('pwd', 'pwd'),
+        ('fuck', 'fish -ic "fuck"'),
+        ('find', 'find'),
+        ('funced', 'fish -ic "funced"'),
+        ('grep', 'grep'),
+        ('awk', 'awk'),
+        ('math "2 + 2"', r'fish -ic "math \"2 + 2\""'),
+        ('man', 'man'),
+        ('open', 'open'),
+        ('vim', 'vim'),
+        ('ll', 'fish -ic "ll"'),
+        ('ls', 'ls')])  # Fish has no aliases but functions
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
+
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_put_to_history(self, builtins_open, mocker, shell):
+        mocker.patch('thefuck.shells.time',
+                     return_value=1430707243.3517463)
+        shell.put_to_history('ls')
+        builtins_open.return_value.__enter__.return_value. \
+            write.assert_called_once_with('- cmd: ls\n   when: 1430707243\n')
+
+    def test_and_(self, shell):
+        assert shell.and_('foo', 'bar') == 'foo; and bar'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {'fish_config': 'fish_config',
+                                       'fuck': 'fuck',
+                                       'funced': 'funced',
+                                       'funcsave': 'funcsave',
+                                       'history': 'history',
+                                       'll': 'll',
+                                       'math': 'math',
+                                       'popd': 'popd',
+                                       'pushd': 'pushd',
+                                       'ruby': 'ruby'}
+
+    def test_app_alias(self, shell):
+        assert 'function fuck' in shell.app_alias()
+        assert 'thefuck' in shell.app_alias()
+        assert 'TF_ALIAS' in shell.app_alias()
+
+
+@pytest.mark.usefixtures('isfile')
+class TestZsh(object):
+    @pytest.fixture
+    def shell(self):
+        return shells.Zsh()
+
+    @pytest.fixture(autouse=True)
+    def Popen(self, mocker):
+        mock = mocker.patch('thefuck.shells.Popen')
+        mock.return_value.stdout.read.return_value = (
+            b'fuck=\'eval $(thefuck $(fc -ln -1 | tail -n 1))\'\n'
             b'l=\'ls -CF\'\n'
             b'la=\'ls -A\'\n'
             b'll=\'ls -alF\'')
         return mock
 
     @pytest.mark.parametrize('before, after', [
+        ('fuck', 'eval $(thefuck $(fc -ln -1 | tail -n 1))'),
         ('pwd', 'pwd'),
         ('ll', 'ls -alF')])
-    def test_from_shell(self, before, after):
+    def test_from_shell(self, before, after, shell):
-        assert shells.Zsh().from_shell(before) == after
+        assert shell.from_shell(before) == after
 
-    def test_to_shell(self):
+    def test_to_shell(self, shell):
-        assert shells.Zsh().to_shell('pwd') == 'pwd'
+        assert shell.to_shell('pwd') == 'pwd'
+
+    def test_put_to_history(self, builtins_open, mocker, shell):
+        mocker.patch('thefuck.shells.time',
+                     return_value=1430707243.3517463)
+        shell.put_to_history('ls')
+        builtins_open.return_value.__enter__.return_value. \
+            write.assert_called_once_with(': 1430707243:0;ls\n')
+
+    def test_and_(self, shell):
+        assert shell.and_('ls', 'cd') == 'ls && cd'
+
+    def test_get_aliases(self, shell):
+        assert shell.get_aliases() == {
+            'fuck': 'eval $(thefuck $(fc -ln -1 | tail -n 1))',
+            'l': 'ls -CF',
+            'la': 'ls -A',
+            'll': 'ls -alF'}
+
+    def test_app_alias(self, shell):
+        assert 'alias fuck' in shell.app_alias()
+        assert 'thefuck' in shell.app_alias()
+        assert 'TF_ALIAS' in shell.app_alias()
+
+    def test_get_history(self, history_lines, shell):
+        history_lines([': 1432613911:0;ls', ': 1432613916:0;rm'])
+        assert list(shell.get_history()) == ['ls', 'rm']

tests/test_utils.py

@@ -1,6 +1,6 @@
 import pytest
 from mock import Mock
-from thefuck.utils import sudo_support, wrap_settings
+from thefuck.utils import git_support, sudo_support, wrap_settings, memoize, get_closest
 from thefuck.types import Settings
 from tests.utils import Command
 
@@ -24,3 +24,38 @@ def test_sudo_support(return_value, command, called, result):
     fn = Mock(return_value=return_value, __name__='')
     assert sudo_support(fn)(Command(command), None) == result
     fn.assert_called_once_with(Command(called), None)
+
+
+@pytest.mark.parametrize('called, command, stderr', [
+    ('git co', 'git checkout', "19:22:36.299340 git.c:282   trace: alias expansion: co => 'checkout'"),
+    ('git com file', 'git commit --verbose file', "19:23:25.470911 git.c:282   trace: alias expansion: com => 'commit' '--verbose'")])
+def test_git_support(called, command, stderr):
+    @git_support
+    def fn(command, settings): return command.script
+    assert fn(Command(script=called, stderr=stderr), None) == command
+
+
+def test_memoize():
+    fn = Mock(__name__='fn')
+    memoized = memoize(fn)
+    memoized()
+    memoized()
+    fn.assert_called_once_with()
+
+
+@pytest.mark.usefixtures('no_memoize')
+def test_no_memoize():
+    fn = Mock(__name__='fn')
+    memoized = memoize(fn)
+    memoized()
+    memoized()
+    assert fn.call_count == 2
+
+
+class TestGetClosest(object):
+
+    def test_when_can_match(self):
+        assert 'branch' == get_closest('brnch', ['branch', 'status'])
+
+    def test_when_cant_match(self):
+        assert 'status' == get_closest('st', ['status', 'reset'])

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 +22,23 @@ class _DefaultRulesNames(types.RulesNamesList):
 
 
 DEFAULT_RULES = _DefaultRulesNames([])
+DEFAULT_PRIORITY = 1000
 
 
 DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                     'wait_command': 3,
-                    'require_confirmation': False,
+                    'require_confirmation': True,
-                    'no_colors': False}
+                    'no_colors': False,
+                    'debug': False,
+                    'priority': {},
+                    'env': {'LANG': 'C', 'GIT_TRACE': '1'}}
 
 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',
+               'THEFUCK_DEBUG': 'debug'}
 
 
 SETTINGS_HEADER = u"""# ~/.thefuck/settings.py: The Fuck settings file
@@ -65,16 +71,29 @@ 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'):
+    elif attr in ('require_confirmation', 'no_colors', 'debug'):
-        val = val.lower() == 'true'
+        return val.lower() == 'true'
-    return val
+    else:
+        return val
 
 
 def _settings_from_env():

thefuck/history.py

@@ -1,27 +0,0 @@
-import os
-import shelve
-from tempfile import gettempdir
-from psutil import Process
-
-
-class History(object):
-    """Temporary history of commands/fixed-commands dependent on
-    current shell instance.
-
-    """
-
-    def __init__(self):
-        self._path = os.path.join(gettempdir(), '.thefuck_history')
-        self._pid = Process(os.getpid()).parent().pid
-        self._db = shelve.open(self._path)
-
-    def _prepare_key(self, key):
-        return '{}-{}'.format(self._pid, key)
-
-    def update(self, **kwargs):
-        self._db.update({self._prepare_key(k): v for k,v in kwargs.items()})
-        self._db.sync()
-        return self
-
-    def __getattr__(self, item):
-        return self._db.get(self._prepare_key(item))

thefuck/logs.py

@@ -1,3 +1,4 @@
+from pprint import pformat
 import sys
 from traceback import format_exception
 import colorama
@@ -52,3 +53,12 @@ def failed(msg, settings):
         msg=msg,
         red=color(colorama.Fore.RED, settings),
         reset=color(colorama.Style.RESET_ALL, settings)))
+
+
+def debug(msg, settings):
+    if settings.debug:
+        sys.stderr.write(u'{blue}{bold}DEBUG:{reset} {msg}\n'.format(
+            msg=msg,
+            reset=color(colorama.Style.RESET_ALL, settings),
+            blue=color(colorama.Fore.BLUE, settings),
+            bold=color(colorama.Style.BRIGHT, settings)))

thefuck/main.py

@@ -1,12 +1,13 @@
 from imp import load_source
 from pathlib import Path
 from os.path import expanduser
+from pprint import pformat
 from subprocess import Popen, PIPE
 import os
 import sys
 from psutil import Process, TimeoutExpired
 import colorama
-from .history import History
+import six
 from . import logs, conf, types, shells
 
 
@@ -26,7 +27,17 @@ 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 +46,9 @@ 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):
@@ -54,30 +63,30 @@ def wait_output(settings, popen):
         proc.wait(settings.wait_command)
         return True
     except TimeoutExpired:
-        for child in proc.get_children(recursive=True):
+        for child in proc.children(recursive=True):
             child.kill()
         proc.kill()
         return False
 
 
-def get_command(settings, history, args):
+def get_command(settings, args):
     """Creates command from `args` and executes it."""
-    if sys.version_info[0] < 3:
+    if six.PY2:
         script = ' '.join(arg.decode('utf-8') for arg in args[1:])
     else:
         script = ' '.join(args[1:])
 
-    if script == 'fuck' or script == history.last_command:
-        script = history.last_fixed_command or history.last_command
-
     if not script:
         return
 
     script = shells.from_shell(script)
-    history.update(last_command=script,
+    logs.debug('Call: {}'.format(script), settings)
-                   last_fixed_command=None)
+
-    result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE,
+    env = dict(os.environ)
-                   env=dict(os.environ, LANG='C'))
+    env.update(settings.env)
+    logs.debug('Executing with env: {}'.format(env), settings)
+
+    result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE, env=env)
     if wait_output(settings, result):
         return types.Command(script, result.stdout.read().decode('utf-8'),
                              result.stderr.read().decode('utf-8'))
@@ -87,6 +96,7 @@ def get_matched_rule(command, rules, settings):
     """Returns first matched rule for command."""
     for rule in rules:
         try:
+            logs.debug(u'Trying rule: {}'.format(rule.name), settings)
             if rule.match(command, settings):
                 return rule
         except Exception:
@@ -108,33 +118,36 @@ def confirm(new_command, side_effect, settings):
         return False
 
 
-def run_rule(rule, command, history, settings):
+def run_rule(rule, command, settings):
     """Runs command from rule for passed command."""
     new_command = shells.to_shell(rule.get_new_command(command, settings))
     if confirm(new_command, rule.side_effect, settings):
         if rule.side_effect:
             rule.side_effect(command, settings)
-        history.update(last_command=command.script,
+        shells.put_to_history(new_command)
-                       last_fixed_command=new_command)
         print(new_command)
 
 
-def alias():
-    print(shells.app_alias())
-
-
 def main():
     colorama.init()
     user_dir = setup_user_dir()
     settings = conf.get_settings(user_dir)
-    history = History()
+    logs.debug('Run with settings: {}'.format(pformat(settings)), settings)
 
-    command = get_command(settings, history, sys.argv)
+    command = get_command(settings, sys.argv)
     if command:
+        logs.debug('Received stdout: {}'.format(command.stdout), settings)
+        logs.debug('Received stderr: {}'.format(command.stderr), settings)
+
         rules = get_rules(user_dir, settings)
+        logs.debug(
+            'Loaded rules: {}'.format(', '.join(rule.name for rule in rules)),
+            settings)
+
         matched_rule = get_matched_rule(command, rules, settings)
         if matched_rule:
-            run_rule(matched_rule, command, history, settings)
+            logs.debug('Matched rule: {}'.format(matched_rule.name), settings)
+            run_rule(matched_rule, command, settings)
             return
 
     logs.failed('No fuck given', settings)

thefuck/rules/apt_get.py

@@ -1,9 +1,12 @@
+from thefuck import shells
+from thefuck.utils import sudo_support
+
 try:
     import CommandNotFound
 except ImportError:
     enabled_by_default = False
 
-
+@sudo_support
 def match(command, settings):
     if 'not found' in command.stderr:
         try:
@@ -15,9 +18,10 @@ def match(command, settings):
             # IndexError is thrown when no matching package is found
             return False
 
-
+@sudo_support
 def get_new_command(command, settings):
     c = CommandNotFound.CommandNotFound()
     pkgs = c.getPackages(command.script.split(" ")[0])
     name, _ = pkgs[0]
-    return "sudo apt-get install {} && {}".format(name, command.script)
+    formatme = shells.and_('sudo apt-get install {}', '{}')
+    return formatme.format(name, command.script)

thefuck/rules/brew_install.py

@@ -1,14 +1,14 @@
-import difflib
 import os
 import re
 from subprocess import check_output
-
+from thefuck.utils import get_closest
-import thefuck.logs
 
 # Formulars are base on each local system's status
+
 brew_formulas = []
 try:
-    brew_path_prefix = check_output(['brew', '--prefix']).strip()
+    brew_path_prefix = check_output(['brew', '--prefix'],
+                                    universal_newlines=True).strip()
     brew_formula_path = brew_path_prefix + '/Library/Formula'
 
     for file_name in os.listdir(brew_formula_path):
@@ -18,8 +18,8 @@ except:
     pass
 
 
-def _get_similar_formulars(formula_name):
+def _get_similar_formula(formula_name):
-    return difflib.get_close_matches(formula_name, brew_formulas, 1, 0.85)
+    return get_closest(formula_name, brew_formulas, 1, 0.85)
 
 
 def match(command, settings):
@@ -30,7 +30,7 @@ def match(command, settings):
     if is_proper_command:
         formula = re.findall(r'Error: No available formula for ([a-z]+)',
                              command.stderr)[0]
-        has_possible_formulas = len(_get_similar_formulars(formula)) > 0
+        has_possible_formulas = bool(_get_similar_formula(formula))
 
     return has_possible_formulas
 
@@ -38,6 +38,6 @@ def match(command, settings):
 def get_new_command(command, settings):
     not_exist_formula = re.findall(r'Error: No available formula for ([a-z]+)',
                                    command.stderr)[0]
-    exist_formula = _get_similar_formulars(not_exist_formula)[0]
+    exist_formula = _get_similar_formula(not_exist_formula)
 
     return command.script.replace(not_exist_formula, exist_formula, 1)

thefuck/rules/brew_unknown_command.py

@@ -1,8 +1,7 @@
-import difflib
 import os
 import re
 import subprocess
-
+from thefuck.utils import get_closest
 
 BREW_CMD_PATH = '/Library/Homebrew/cmd'
 TAP_PATH = '/Library/Taps'
@@ -12,7 +11,8 @@ TAP_CMD_PATH = '/%s/%s/cmd'
 def _get_brew_path_prefix():
     """To get brew path"""
     try:
-        return subprocess.check_output(['brew', '--prefix']).strip()
+        return subprocess.check_output(['brew', '--prefix'],
+                                       universal_newlines=True).strip()
     except:
         return None
 
@@ -77,8 +77,8 @@ if brew_path_prefix:
         pass
 
 
-def _get_similar_commands(command):
+def _get_similar_command(command):
-    return difflib.get_close_matches(command, brew_commands)
+    return get_closest(command, brew_commands)
 
 
 def match(command, settings):
@@ -89,7 +89,7 @@ def match(command, settings):
     if is_proper_command:
         broken_cmd = re.findall(r'Error: Unknown command: ([a-z]+)',
                                 command.stderr)[0]
-        has_possible_commands = len(_get_similar_commands(broken_cmd)) > 0
+        has_possible_commands = bool(_get_similar_command(broken_cmd))
 
     return has_possible_commands
 
@@ -97,6 +97,6 @@ def match(command, settings):
 def get_new_command(command, settings):
     broken_cmd = re.findall(r'Error: Unknown command: ([a-z]+)',
                             command.stderr)[0]
-    new_cmd = _get_similar_commands(broken_cmd)[0]
+    new_cmd = _get_similar_command(broken_cmd)
 
     return command.script.replace(broken_cmd, new_cmd, 1)

thefuck/rules/brew_upgrade.py

@@ -0,0 +1,14 @@
+# Appends --all to the brew upgrade command
+# 
+# Example:
+# > brew upgrade
+# Warning: brew upgrade with no arguments will change behaviour soon!
+# It currently upgrades all formula but this will soon change to require '--all'.
+#
+# 
+
+def match(command, settings):
+    return (command.script == 'brew upgrade')
+
+def get_new_command(command, settings):
+    return command.script + ' --all'

thefuck/rules/cargo.py

@@ -0,0 +1,6 @@
+def match(command, settings):
+    return command.script == 'cargo'
+
+
+def get_new_command(command, settings):
+    return 'cargo build'

thefuck/rules/cargo_no_command.py

@@ -0,0 +1,14 @@
+import re
+
+
+def match(command, settings):
+    return ('cargo' in command.script
+            and 'No such subcommand' in command.stderr
+            and 'Did you mean' in command.stderr)
+
+
+def get_new_command(command, settings):
+    broken = command.script.split()[1]
+    fix = re.findall(r'Did you mean `([^`]*)`', command.stderr)[0]
+
+    return command.script.replace(broken, fix, 1)

thefuck/rules/cd_correction.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+__author__ = "mmussomele"
+
+"""Attempts to spellcheck and correct failed cd commands"""
+
+import os
+from difflib import get_close_matches
+from thefuck.utils import sudo_support
+from thefuck.rules import cd_mkdir
+
+MAX_ALLOWED_DIFF = 0.6
+
+
+def _get_sub_dirs(parent):
+    """Returns a list of the child directories of the given parent directory"""
+    return [child for child in os.listdir(parent) if os.path.isdir(os.path.join(parent, child))]
+
+
+@sudo_support
+def match(command, settings):
+    """Match function copied from cd_mkdir.py"""
+    return (command.script.startswith('cd ')
+            and ('no such file or directory' in command.stderr.lower()
+                 or 'cd: can\'t cd to' in command.stderr.lower()))
+
+
+@sudo_support
+def get_new_command(command, settings):
+    """
+    Attempt to rebuild the path string by spellchecking the directories.
+    If it fails (i.e. no directories are a close enough match), then it 
+    defaults to the rules of cd_mkdir. 
+    Change sensitivity by changing MAX_ALLOWED_DIFF. Default value is 0.6
+    """
+    dest = command.script.split()[1].split(os.sep)
+    if dest[-1] == '':
+        dest = dest[:-1]
+    cwd = os.getcwd()
+    for directory in dest:
+        if directory == ".":
+            continue
+        elif directory == "..":
+            cwd = os.path.split(cwd)[0]
+            continue
+        best_matches = get_close_matches(directory, _get_sub_dirs(cwd), cutoff=MAX_ALLOWED_DIFF)
+        if best_matches:
+            cwd = os.path.join(cwd, best_matches[0])
+        else:
+            return cd_mkdir.get_new_command(command, settings)
+    return 'cd "{0}"'.format(cwd)
+
+
+enabled_by_default = True

thefuck/rules/cd_mkdir.py

@@ -1,4 +1,5 @@
 import re
+from thefuck import shells
 from thefuck.utils import sudo_support
 
 
@@ -11,4 +12,5 @@ def match(command, settings):
 
 @sudo_support
 def get_new_command(command, settings):
-    return re.sub(r'^cd (.*)', 'mkdir -p \\1 && cd \\1', command.script)
+    repl = shells.and_('mkdir -p \\1', 'cd \\1')
+    return re.sub(r'^cd (.*)', repl, command.script)

thefuck/rules/cp_omitting_directory.py

@@ -4,8 +4,9 @@ from thefuck.utils import sudo_support
 
 @sudo_support
 def match(command, settings):
+    stderr = command.stderr.lower()
     return command.script.startswith('cp ') \
-        and 'cp: omitting directory' in command.stderr.lower()
+        and ('omitting directory' in stderr or 'is a directory' in stderr)
 
 
 @sudo_support

thefuck/rules/cpp11.py

@@ -0,0 +1,9 @@
+def match(command, settings):
+    return (('g++' in command.script or 'clang++' in command.script) and
+            ('This file requires compiler and library support for the '
+             'ISO C++ 2011 standard.' in command.stderr or
+             '-Wc++11-extensions' in command.stderr))
+
+
+def get_new_command(command, settings):
+    return command.script + ' -std=c++11'

thefuck/rules/django_south_ghost.py

@@ -0,0 +1,8 @@
+def match(command, settings):
+    return 'manage.py' in command.script and \
+           'migrate' in command.script \
+           and 'or pass --delete-ghost-migrations' in command.stderr
+
+
+def get_new_command(command, settings):
+    return u'{} --delete-ghost-migrations'.format(command.script)

thefuck/rules/django_south_merge.py

@@ -0,0 +1,8 @@
+def match(command, settings):
+    return 'manage.py' in command.script and \
+           'migrate' in command.script \
+           and '--merge: will just attempt the migration' in command.stderr
+
+
+def get_new_command(command, settings):
+    return u'{} --merge'.format(command.script)

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 +1,19 @@
+import re
+from thefuck import utils, shells
+
+
+@utils.git_support
+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)
+
+
+@utils.git_support
+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]
+
+    formatme = shells.and_('git add -- {}', '{}')
+    return formatme.format(missing_file, command.script)

thefuck/rules/git_branch_delete.py

@@ -0,0 +1,7 @@
+def match(command, settings):
+    return ('git branch -d' in command.script
+            and 'If you are sure you want to delete it' in command.stderr)
+
+
+def get_new_command(command, settings):
+    return command.script.replace('-d', '-D')

thefuck/rules/git_branch_list.py

@@ -0,0 +1,12 @@
+from thefuck import utils, shells
+
+
+@utils.git_support
+def match(command, settings):
+    # catches "git branch list" in place of "git branch"
+    return command.script.split() == 'git branch list'.split()
+
+
+@utils.git_support
+def get_new_command(command, settings):
+    return shells.and_('git branch --delete list', 'git branch')

thefuck/rules/git_checkout.py

@@ -0,0 +1,19 @@
+import re
+from thefuck import shells, utils
+
+
+@utils.git_support
+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)
+
+
+@utils.git_support
+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]
+
+    formatme = shells.and_('git branch {}', '{}')
+    return formatme.format(missing_file, command.script)

thefuck/rules/git_diff_staged.py

@@ -0,0 +1,13 @@
+from thefuck import utils
+
+
+@utils.git_support
+def match(command, settings):
+    return ('git' in command.script and
+            'diff' in command.script and
+            '--staged' not in command.script)
+
+
+@utils.git_support
+def get_new_command(command, settings):
+    return '{} --staged'.format(command.script)

thefuck/rules/git_not_command.py

@@ -1,16 +1,28 @@
 import re
+from thefuck.utils import get_closest, git_support
 
 
+@git_support
 def match(command, settings):
     return ('git' in command.script
             and " is not a git command. See 'git --help'." in command.stderr
             and 'Did you mean' in command.stderr)
 
 
+def _get_all_git_matched_commands(stderr):
+    should_yield = False
+    for line in stderr.split('\n'):
+        if 'Did you mean' in line:
+            should_yield = True
+        elif should_yield and line:
+            yield line.strip()
+
+
+@git_support
 def get_new_command(command, settings):
     broken_cmd = re.findall(r"git: '([^']*)' is not a git command",
                             command.stderr)[0]
-    new_cmd = re.findall(r'Did you mean[^\n]*\n\s*([^\n]*)',
+    new_cmd = get_closest(broken_cmd,
-                         command.stderr)[0]
+                          _get_all_git_matched_commands(command.stderr))
     return command.script.replace(broken_cmd, new_cmd, 1)
 

thefuck/rules/git_pull.py

@@ -0,0 +1,17 @@
+from thefuck import shells, utils
+
+
+@utils.git_support
+def match(command, settings):
+    return ('git' in command.script
+            and 'pull' in command.script
+            and 'set-upstream' in command.stderr)
+
+
+@utils.git_support
+def get_new_command(command, settings):
+    line = command.stderr.split('\n')[-3].strip()
+    branch = line.split(' ')[-1]
+    set_upstream = line.replace('<remote>', 'origin')\
+                       .replace('<branch>', branch)
+    return shells.and_(set_upstream, command.script)

thefuck/rules/git_push.py

@@ -1,8 +1,13 @@
+from thefuck import utils
+
+
+@utils.git_support
 def match(command, settings):
     return ('git' in command.script
             and 'push' in command.script
             and 'set-upstream' in command.stderr)
 
 
+@utils.git_support
 def get_new_command(command, settings):
     return command.stderr.split('\n')[-3].strip()

thefuck/rules/git_stash.py

@@ -0,0 +1,14 @@
+from thefuck import shells, utils
+
+
+@utils.git_support
+def match(command, settings):
+    # catches "Please commit or stash them" and "Please, commit your changes or
+    # stash them before you can switch branches."
+    return 'git' in command.script and 'or stash them' in command.stderr
+
+
+@utils.git_support
+def get_new_command(command, settings):
+    formatme = shells.and_('git stash', '{}')
+    return formatme.format(command.script)

thefuck/rules/go_run.py

@@ -0,0 +1,14 @@
+# Appends .go when compiling go files
+# 
+# Example:
+# > go run foo
+# error: go run: no go files listed
+#
+# 
+
+def match(command, settings):
+    return (command.script.startswith ('go run ')
+            and not command.script.endswith('.go'))
+
+def get_new_command(command, settings):
+    return command.script + '.go'

thefuck/rules/grep_recursive.py

@@ -0,0 +1,7 @@
+def match(command, settings):
+    return (command.script.startswith('grep')
+            and 'is a directory' in command.stderr.lower())
+
+
+def get_new_command(command, settings):
+    return 'grep -r {}'.format(command.script[5:])

thefuck/rules/history.py

@@ -0,0 +1,24 @@
+from difflib import get_close_matches
+from thefuck.shells import get_history
+from thefuck.utils import get_closest, memoize
+from thefuck.rules.no_command import get_all_callables
+
+
+@memoize
+def _history_of_exists_without_current(command):
+    callables = get_all_callables()
+    return [line for line in get_history()
+            if line != command.script
+            and line.split(' ')[0] in callables]
+
+
+def match(command, settings):
+    return len(get_close_matches(command.script,
+                                 _history_of_exists_without_current(command)))
+
+
+def get_new_command(command, settings):
+    return get_closest(command.script,
+                       _history_of_exists_without_current(command))
+
+priority = 9999

thefuck/rules/java.py

@@ -0,0 +1,14 @@
+# Fixes common java command mistake
+#
+# Example:
+# > java foo.java
+# Error: Could not find or load main class foo.java
+
+
+def match(command, settings):
+    return (command.script.startswith('java ')
+            and command.script.endswith('.java'))
+
+
+def get_new_command(command, settings):
+    return command.script[:-5]

thefuck/rules/javac.py

@@ -0,0 +1,15 @@
+# Appends .java when compiling java files
+#
+# Example:
+# > javac foo
+# error: Class names, 'foo', are only accepted if annotation
+# processing is explicitly requested
+ 
+
+def match(command, settings):
+    return (command.script.startswith('javac ')
+            and not command.script.endswith('.java'))
+
+
+def get_new_command(command, settings):
+    return command.script + '.java'

thefuck/rules/ls_lah.py

@@ -1,8 +1,7 @@
-enabled_by_default = False
-
-
 def match(command, settings):
-    return 'ls' in command.script and not ('ls -' in command.script)
+    return (command.script == 'ls'
+            or command.script.startswith('ls ')
+            and not ('ls -' in command.script))
 
 
 def get_new_command(command, settings):

thefuck/rules/man.py

@@ -0,0 +1,13 @@
+def match(command, settings):
+    return command.script.strip().startswith('man ')
+
+
+def get_new_command(command, settings):
+    if '3' in command.script:
+        return command.script.replace("3", "2")
+    if '2' in command.script:
+        return command.script.replace("2", "3")
+
+    split_cmd = command.script.split()
+    split_cmd.insert(1, ' 3 ')
+    return "".join(split_cmd)

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/mercurial.py

@@ -0,0 +1,29 @@
+import re
+from thefuck.utils import get_closest
+
+
+def extract_possisiblities(command):
+    possib = re.findall(r'\n\(did you mean one of ([^\?]+)\?\)', command.stderr)
+    if possib:
+        return possib[0].split(', ')
+    possib = re.findall(r'\n    ([^$]+)$', command.stderr)
+    if possib:
+        return possib[0].split(' ')
+    return possib
+
+
+def match(command, settings):
+    return (command.script.startswith('hg ')
+            and ('hg: unknown command' in command.stderr
+                 and '(did you mean one of ' in command.stderr
+                 or "hg: command '" in command.stderr
+                 and "' is ambiguous:" in command.stderr
+                 )
+            )
+
+
+def get_new_command(command, settings):
+    script = command.script.split(' ')
+    possisiblities = extract_possisiblities(command)
+    script[1] = get_closest(script[1], possisiblities)
+    return ' '.join(script)

thefuck/rules/no_command.py

@@ -1,7 +1,8 @@
 from difflib import get_close_matches
 import os
 from pathlib import Path
-from thefuck.utils import sudo_support
+from thefuck.utils import sudo_support, memoize
+from thefuck.shells import thefuck_alias, get_aliases
 
 
 def _safe(fn, fallback):
@@ -11,23 +12,29 @@ def _safe(fn, fallback):
         return fallback
 
 
-def _get_all_bins():
+@memoize
+def get_all_callables():
+    tf_alias = thefuck_alias()
     return [exe.name
             for path in os.environ.get('PATH', '').split(':')
             for exe in _safe(lambda: list(Path(path).iterdir()), [])
-            if not _safe(exe.is_dir, True)]
+            if not _safe(exe.is_dir, True)] + [
+                alias for alias in get_aliases() if alias != tf_alias]
 
 
 @sudo_support
 def match(command, settings):
     return 'not found' in command.stderr and \
            bool(get_close_matches(command.script.split(' ')[0],
-                                  _get_all_bins()))
+                                  get_all_callables()))
 
 
 @sudo_support
 def get_new_command(command, settings):
     old_command = command.script.split(' ')[0]
     new_command = get_close_matches(old_command,
-                                    _get_all_bins())[0]
+                                    get_all_callables())[0]
     return ' '.join([new_command] + command.script.split(' ')[1:])
+
+
+priority = 3000

thefuck/rules/no_such_file.py

@@ -0,0 +1,30 @@
+import re
+from thefuck import shells
+
+
+patterns = (
+    r"mv: cannot move '[^']*' to '([^']*)': No such file or directory",
+    r"mv: cannot move '[^']*' to '([^']*)': Not a directory",
+    r"cp: cannot create regular file '([^']*)': No such file or directory",
+    r"cp: cannot create regular file '([^']*)': Not a directory",
+)
+
+
+def match(command, settings):
+    for pattern in patterns:
+        if re.search(pattern, command.stderr):
+            return True
+
+    return False
+
+
+def get_new_command(command, settings):
+    for pattern in patterns:
+        file = re.findall(pattern, command.stderr)
+
+        if file:
+            file = file[0]
+            dir = file[0:file.rfind('/')]
+
+            formatme = shells.and_('mkdir -p {}', '{}')
+            return formatme.format(dir, command.script)

thefuck/rules/open.py

@@ -0,0 +1,26 @@
+# Opens URL's in the default web browser
+#
+# Example:
+# > open github.com
+# The file ~/github.com does not exist.
+# Perhaps you meant 'http://github.com'?
+#
+
+
+def match(command, settings):
+    return (command.script.startswith(('open', 'xdg-open', 'gnome-open', 'kde-open'))
+            and (
+                '.com' in command.script
+                or '.net' in command.script
+                or '.org' in command.script
+                or '.ly' in command.script
+                or '.io' in command.script
+                or '.se' in command.script
+                or '.edu' in command.script
+                or '.info' in command.script
+                or '.me' in command.script
+                or 'www.' in command.script))
+
+
+def get_new_command(command, settings):
+    return 'open http://' + command.script[5:]

thefuck/rules/pacman.py

@@ -0,0 +1,43 @@
+import subprocess
+from thefuck.utils import DEVNULL, which
+from thefuck import shells
+from thefuck.utils import memoize
+
+
+@memoize
+def __get_pkgfile(command):
+    try:
+        command = command.script
+
+        if command.startswith('sudo'):
+            command = command[5:]
+
+        command = command.split(" ")[0]
+
+        return subprocess.check_output(
+            ['pkgfile', '-b', '-v', command],
+            universal_newlines=True, stderr=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]
+
+    formatme = shells.and_('{} -S {}', '{}')
+    return formatme.format(pacman, package, command.script)
+
+
+if not which('pkgfile'):
+    enabled_by_default = False
+elif which('yaourt'):
+    pacman = 'yaourt'
+elif which('pacman'):
+    pacman = 'sudo pacman'
+else:
+    enabled_by_default = False

thefuck/rules/python_execute.py

@@ -0,0 +1,14 @@
+# Appends .py when executing python files
+#
+# Example:
+# > python foo
+# error: python: can't open file 'foo': [Errno 2] No such file or directory
+
+
+def match(command, settings):
+    return (command.script.startswith('python ')
+            and not command.script.endswith('.py'))
+
+
+def get_new_command(command, settings):
+    return command.script + '.py'

thefuck/rules/quotation_marks.py

@@ -0,0 +1,14 @@
+# Fixes careless " and ' usage
+# 
+# Example:
+# > git commit -m 'My Message"
+# 
+#
+# 
+
+def match(command, settings):
+    return ('\'' in command.script
+            and '\"' in command.script)
+
+def get_new_command(command, settings):
+    return command.script.replace ('\'', '\"')

thefuck/rules/sed_unterminated_s.py

@@ -0,0 +1,17 @@
+import shlex
+from thefuck.utils import quote
+
+
+def match(command, settings):
+    return ('sed' in command.script
+            and "unterminated `s' command" in command.stderr)
+
+
+def get_new_command(command, settings):
+    script = shlex.split(command.script)
+
+    for (i, e) in enumerate(script):
+        if e.startswith(('s/', '-es/')) and e[-1] != '/':
+            script[i] += '/'
+
+    return ' '.join(map(quote, script))

thefuck/rules/sudo.py

@@ -7,11 +7,14 @@ patterns = ['permission denied',
             'root privilege',
             'This command has to be run under the root user.',
             'This operation requires root.',
-            'You need to be root to perform this command.',
             'requested operation requires superuser privilege',
             'must be run as root',
             'must be superuser',
-            'Need to be root']
+            'must be root',
+            'need to be root',
+            'need root',
+            'only root can do that',
+            'authentication is required']
 
 
 def match(command, settings):

thefuck/rules/systemctl.py

@@ -0,0 +1,21 @@
+"""
+The confusion in systemctl's param order is massive.
+"""
+from thefuck.utils import sudo_support
+
+
+@sudo_support
+def match(command, settings):
+    # Catches 'Unknown operation 'service'.' when executing systemctl with
+    # misordered arguments
+    cmd = command.script.split()
+    return ('systemctl' in command.script and
+            'Unknown operation \'' in command.stderr and
+            len(cmd) - cmd.index('systemctl') == 3)
+
+
+@sudo_support
+def get_new_command(command, settings):
+    cmd = command.script.split()
+    cmd[-1], cmd[-2] = cmd[-2], cmd[-1]
+    return ' '.join(cmd)

thefuck/rules/test.py.py

@@ -0,0 +1,10 @@
+def match(command, settings):
+    return command.script == 'test.py' and 'not found' in command.stderr
+
+
+def get_new_command(command, settings):
+    return 'py.test'
+
+
+# make it come before the python_command rule
+priority = 900

thefuck/rules/tmux.py

@@ -0,0 +1,20 @@
+from thefuck.utils import get_closest
+import re
+
+
+def match(command, settings):
+    return ('tmux' in command.script
+            and 'ambiguous command:' in command.stderr
+            and 'could be:' in command.stderr)
+
+
+def get_new_command(command, settings):
+    cmd = re.match(r"ambiguous command: (.*), could be: (.*)",
+                   command.stderr)
+
+    old_cmd = cmd.group(1)
+    suggestions = [cmd.strip() for cmd in cmd.group(2).split(',')]
+
+    new_cmd = get_closest(old_cmd, suggestions)
+
+    return command.script.replace(old_cmd, new_cmd)

thefuck/rules/whois.py

@@ -0,0 +1,31 @@
+# -*- encoding: utf-8 -*-
+from six.moves.urllib.parse import urlparse
+
+
+def match(command, settings):
+    """
+    What the `whois` command returns depends on the 'Whois server' it contacted
+    and is not consistent through different servers. But there can be only two
+    types of errors I can think of with `whois`:
+        - `whois https://en.wikipedia.org/` → `whois en.wikipedia.org`;
+        - `whois en.wikipedia.org` → `whois wikipedia.org`.
+    So we match any `whois` command and then:
+        - if there is a slash: keep only the FQDN;
+        - if there is no slash but there is a point: removes the left-most
+          subdomain.
+
+    We cannot either remove all subdomains because we cannot know which part is
+    the subdomains and which is the domain, consider:
+        - www.google.fr → subdomain: www, domain: 'google.fr';
+        - google.co.uk → subdomain: None, domain; 'google.co.uk'.
+    """
+    return 'whois' in command.script and len(command.script.split()) > 1
+
+
+def get_new_command(command, settings):
+    url = command.script.split()[1]
+
+    if '/' in command.script:
+        return 'whois ' + urlparse(url).netloc
+    elif '.' in command.script:
+        return 'whois ' + '.'.join(urlparse(url).path.split('.')[1:])

thefuck/shells.py

@@ -1,22 +1,24 @@
 """Module with shell specific actions, each shell class should
-implement `from_shell` and `to_shell` methods.
+implement `from_shell`, `to_shell`, `app_alias`, `put_to_history` and `get_aliases`
+methods.
 
 """
 from collections import defaultdict
 from subprocess import Popen, PIPE
+from time import time
 import os
+import io
 from psutil import Process
-
+from .utils import DEVNULL, memoize
-
-FNULL = open(os.devnull, 'w')
 
 
 class Generic(object):
-    def _get_aliases(self):
+
+    def get_aliases(self):
         return {}
 
     def _expand_aliases(self, command_script):
-        aliases = self._get_aliases()
+        aliases = self.get_aliases()
         binary = command_script.split(' ')[0]
         if binary in aliases:
             return command_script.replace(binary, aliases[binary], 1)
@@ -32,46 +34,200 @@ class Generic(object):
         return command_script
 
     def app_alias(self):
-        return "\nalias fuck='eval $(thefuck $(fc -ln -1))'\n"
+        return "\nalias fuck='TF_ALIAS=fuck eval $(thefuck $(fc -ln -1))'\n"
+
+    def _get_history_file_name(self):
+        return ''
+
+    def _get_history_line(self, command_script):
+        return ''
+
+    def put_to_history(self, command_script):
+        """Puts command script to shell history."""
+        history_file_name = self._get_history_file_name()
+        if os.path.isfile(history_file_name):
+            with open(history_file_name, 'a') as history:
+                history.write(self._get_history_line(command_script))
+
+    def _script_from_history(self, line):
+        """Returns prepared history line.
+
+        Should return a blank line if history line is corrupted or empty.
+
+        """
+        return ''
+
+    def get_history(self):
+        """Returns list of history entries."""
+        history_file_name = self._get_history_file_name()
+        if os.path.isfile(history_file_name):
+            with io.open(history_file_name, 'r',
+                         encoding='utf-8', errors='ignore') as history:
+                for line in history:
+                    prepared = self._script_from_history(line)\
+                                   .strip()
+                    if prepared:
+                        yield prepared
+
+    def and_(self, *commands):
+        return u' && '.join(commands)
 
 
 class Bash(Generic):
+    def app_alias(self):
+        return "\nTF_ALIAS=fuck alias fuck='eval $(thefuck $(fc -ln -1));" \
+               " history -r'\n"
+
     def _parse_alias(self, alias):
         name, value = alias.replace('alias ', '', 1).split('=', 1)
         if value[0] == value[-1] == '"' or value[0] == value[-1] == "'":
             value = value[1:-1]
         return name, value
 
-    def _get_aliases(self):
+    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')
-            if alias)
+            if alias and '=' in alias)
+
+    def _get_history_file_name(self):
+        return os.environ.get("HISTFILE",
+                              os.path.expanduser('~/.bash_history'))
+
+    def _get_history_line(self, command_script):
+        return u'{}\n'.format(command_script)
+
+    def _script_from_history(self, line):
+        print(line)
+        return line
+
+
+class Fish(Generic):
+
+    def _get_overridden_aliases(self):
+        overridden_aliases = os.environ.get('TF_OVERRIDDEN_ALIASES', '').strip()
+        if overridden_aliases:
+            return [alias.strip() for alias in overridden_aliases.split(',')]
+        else:
+            return ['cd', 'grep', 'ls', 'man', 'open']
+
+    def app_alias(self):
+        return ("set TF_ALIAS fuck\n"
+                "function fuck -d 'Correct your previous console command'\n"
+                "    set -l exit_code $status\n"
+                "    set -l eval_script"
+                " (mktemp 2>/dev/null ; or mktemp -t 'thefuck')\n"
+                "    set -l fucked_up_commandd $history[1]\n"
+                "    thefuck $fucked_up_commandd > $eval_script\n"
+                "    . $eval_script\n"
+                "    rm $eval_script\n"
+                "    if test $exit_code -ne 0\n"
+                "        history --delete $fucked_up_commandd\n"
+                "    end\n"
+                "end")
+
+    def get_aliases(self):
+        overridden = self._get_overridden_aliases()
+        proc = Popen('fish -ic functions', stdout=PIPE, stderr=DEVNULL,
+                     shell=True)
+        functions = proc.stdout.read().decode('utf-8').strip().split('\n')
+        return {func: func for func in functions if func not in overridden}
+
+    def _expand_aliases(self, command_script):
+        aliases = self.get_aliases()
+        binary = command_script.split(' ')[0]
+        if binary in aliases:
+            return u'fish -ic "{}"'.format(command_script.replace('"', r'\"'))
+        else:
+            return command_script
+
+    def from_shell(self, command_script):
+        """Prepares command before running in app."""
+        return self._expand_aliases(command_script)
+
+    def _get_history_file_name(self):
+        return os.path.expanduser('~/.config/fish/fish_history')
+
+    def _get_history_line(self, command_script):
+        return u'- cmd: {}\n   when: {}\n'.format(command_script, int(time()))
+
+    def and_(self, *commands):
+        return u'; and '.join(commands)
 
 
 class Zsh(Generic):
+    def app_alias(self):
+        return "\nTF_ALIAS=fuck" \
+               " alias fuck='eval $(thefuck $(fc -ln -1 | tail -n 1));" \
+               " fc -R'\n"
+
     def _parse_alias(self, alias):
         name, value = alias.split('=', 1)
         if value[0] == value[-1] == '"' or value[0] == value[-1] == "'":
             value = value[1:-1]
         return name, value
 
-    def _get_aliases(self):
+    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')
-            if alias)
+            if alias and '=' in alias)
+
+    def _get_history_file_name(self):
+        return os.environ.get("HISTFILE",
+                              os.path.expanduser('~/.zsh_history'))
+
+    def _get_history_line(self, command_script):
+        return u': {}:0;{}\n'.format(int(time()), command_script)
+
+    def _script_from_history(self, line):
+        if ';' in line:
+            return line.split(';', 1)[1]
+        else:
+            return ''
+
+
+class Tcsh(Generic):
+    def app_alias(self):
+        return "\nalias fuck 'setenv TF_ALIAS fuck && set fucked_cmd=`history -h 2 | head -n 1` && eval `thefuck ${fucked_cmd}`'\n"
+
+    def _parse_alias(self, alias):
+        name, value = alias.split("\t", 1)
+        return name, value
+
+    def get_aliases(self):
+        proc = Popen('tcsh -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')
+            if alias and '\t' in alias)
+
+    def _get_history_file_name(self):
+        return os.environ.get("HISTFILE",
+                              os.path.expanduser('~/.history'))
+
+    def _get_history_line(self, command_script):
+        return u'#+{}\n{}\n'.format(int(time()), command_script)
 
 
 shells = defaultdict(lambda: Generic(), {
     'bash': Bash(),
-    'zsh': Zsh()})
+    'fish': Fish(),
+    'zsh': Zsh(),
+    'csh': Tcsh(),
+    'tcsh': Tcsh()})
 
 
 def _get_shell():
-    shell = Process(os.getpid()).parent().cmdline()[0]
+    try:
+        shell = Process(os.getpid()).parent().name()
+    except TypeError:
+        shell = Process(os.getpid()).parent.name
     return shells[shell]
 
 
@@ -84,4 +240,26 @@ def to_shell(command):
 
 
 def app_alias():
-    return _get_shell().app_alias()
+    print(_get_shell().app_alias())
+
+
+def thefuck_alias():
+    return os.environ.get('TF_ALIAS', 'fuck')
+
+
+def put_to_history(command):
+    return _get_shell().put_to_history(command)
+
+
+def and_(*commands):
+    return _get_shell().and_(*commands)
+
+
+@memoize
+def get_aliases():
+    return list(_get_shell().get_aliases().keys())
+
+
+@memoize
+def get_history():
+    return list(_get_shell().get_history())