Bump to 1.48

improve(rules): add mercurial (hg) support

.travis.yml

@@ -6,4 +6,4 @@ python:
 install:
   - python setup.py develop
   - pip install -r requirements.txt
-script: py.test
+script: py.test -v

README.md

@@ -73,7 +73,7 @@ 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
@@ -104,7 +104,7 @@ 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 `.bash_profile`(for OSX):
+And add to the `.bashrc` or `.bash_profile`(for OSX):
 
 ```bash
 alias fuck='eval $(thefuck $(fc -ln -1)); history -r'
@@ -118,6 +118,11 @@ Or in your `.zshrc`:
 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
@@ -127,6 +132,7 @@ 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
@@ -137,36 +143,67 @@ sudo pip install thefuck --upgrade
 
 ## How it works
 
-The Fuck tries to match rule for the previous command, create new command
-using matched rule and run it. Rules enabled by default:
+The Fuck tries to match a rule for the previous command, creates a new command
+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`;
-* `cd_parent` – changes `cd..` to `cd ..`;
+* `cargo` – runs `cargo build` instead of `cargo`;
+* `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_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;
+* `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`;
 * `mkdir_p` – adds `-p` when you trying to create directory without parent;
 * `no_command` – fixes wrong console commands, for example `vom/vim`;
-* `pacman` – installs app with `pacman` or `yaourt` if it is not installed;
+* `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` – 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
@@ -177,7 +214,7 @@ 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`.
 
@@ -208,10 +245,10 @@ priority = 1000  # Lower first
 
 ## 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 `False`;
 * `wait_command` – max amount of time in seconds for getting previous command output;
 * `no_colors` – disable colored output;
 * `priority` – dict with rules priorities, rule with lower `priority` will be matched first.

release.py

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

requirements.txt

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

setup.cfg

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

setup.py

@@ -1,8 +1,22 @@
+#!/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 = '1.36'
+VERSION = '1.48'
 
+install_requires = ['psutil', 'colorama', 'six']
+
+if sys.version_info < (3, 4):
+    install_requires.append('pathlib')
 
 setup(name='thefuck',
       version=VERSION,
@@ -15,6 +29,7 @@ setup(name='thefuck',
                                       'tests', 'release']),
       include_package_data=True,
       zip_safe=False,
-      install_requires=['pathlib', 'psutil', 'colorama', 'six'],
+      install_requires=install_requires,
       entry_points={'console_scripts': [
-          'thefuck = thefuck.main:main', 'thefuck-alias = thefuck.main:alias']})
+          'thefuck = thefuck.main:main',
+          'thefuck-alias = thefuck.shells:app_alias']})

tests/rules/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_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_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 +1,27 @@
+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'),
+    Command(script='git df'),
+    Command(script='git ds')])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    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'),
+    (Command('git df'), 'git df --staged'),
+    (Command('git ds'), 'git ds --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):
-    assert get_new_command(Command('git brnch', stderr=git_not_command), None)\
-        == 'git branch'
+def test_get_new_command(git_not_command, git_not_command_one_of_this,
+                         git_not_command_closest):
+    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 +1,39 @@
+import pytest
+from thefuck.rules.git_stash import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def cherry_pick_error():
+    return ('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')
+
+
+@pytest.fixture
+def rebase_error():
+    return ('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_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 +1,36 @@
 from mock import patch, Mock
-from thefuck.rules.no_command import match, get_new_command
+from thefuck.rules.no_command import match, get_new_command, _get_all_callables
 
 
-def test_match():
-    with patch('thefuck.rules.no_command._get_all_bins',
-               return_value=['vim', 'apt-get']):
-        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)
+@patch('thefuck.rules.no_command._safe', return_value=[])
+@patch('thefuck.rules.no_command.get_aliases',
+       return_value=['vim', 'apt-get', 'fsck', 'fuck'])
+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
 
 
-def test_get_new_command():
-    with patch('thefuck.rules.no_command._get_all_bins',
-               return_value=['vim', 'apt-get']):
-        assert get_new_command(
-            Mock(stderr='vom: not found',
-                 script='vom file.py'),
-            None) == 'vim file.py'
+@patch('thefuck.rules.no_command._safe', return_value=[])
+@patch('thefuck.rules.no_command.get_aliases',
+       return_value=['vim', 'apt-get', 'fsck', 'fuck'])
+def test_match(*args):
+    assert match(Mock(stderr='vom: not found', script='vom file.py'), None)
+    assert match(Mock(stderr='fucck: not found', script='fucck'), None)
+    assert not match(Mock(stderr='qweqwe: not found', script='qweqwe'), None)
+    assert not match(Mock(stderr='some text', script='vom file.py'), None)
+
+
+@patch('thefuck.rules.no_command._safe', return_value=[])
+@patch('thefuck.rules.no_command.get_aliases',
+       return_value=['vim', 'apt-get', 'fsck', 'fuck'])
+def test_get_new_command(*args):
+    assert get_new_command(
+        Mock(stderr='vom: not found',
+             script='vom file.py'),
+        None) == 'vim file.py'
+    assert get_new_command(
+        Mock(stderr='fucck: not found',
+             script='fucck'),
+        None) == '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-buffers'

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):
-    mock = Mock()
-    monkeypatch.setattr('thefuck.conf.load_source', mock)
-    return mock
+def load_source(mocker):
+    return mocker.patch('thefuck.conf.load_source')
 
 
 @pytest.fixture

tests/test_main.py

@@ -6,15 +6,15 @@ 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.return_value = Mock(match=match,
-                                    get_new_command=get_new_command,
-                                    enabled_by_default=True,
-                                    priority=900)
-    monkeypatch.setattr('thefuck.main.load_source', load_source)
+    load_source = mocker.patch(
+        'thefuck.main.load_source',
+        return_value=Mock(match=match,
+                          get_new_command=get_new_command,
+                          enabled_by_default=True,
+                          priority=900))
     assert main.load_rule(Path('/rules/bash.py')) \
            == Rule('bash', match, get_new_command, priority=900)
     load_source.assert_called_once_with('bash', '/rules/bash.py')
@@ -22,10 +22,8 @@ def test_load_rule(monkeypatch):
 
 class TestGetRules(object):
     @pytest.fixture(autouse=True)
-    def glob(self, monkeypatch):
-        mock = Mock(return_value=[])
-        monkeypatch.setattr('thefuck.main.Path.glob', mock)
-        return mock
+    def glob(self, mocker):
+        return mocker.patch('thefuck.main.Path.glob', return_value=[])
 
     def _compare_names(self, rules, names):
         return [r.name for r in rules] == names
@@ -118,10 +116,8 @@ class TestGetMatchedRule(object):
 
 class TestRunRule(object):
     @pytest.fixture(autouse=True)
-    def confirm(self, monkeypatch):
-        mock = Mock(return_value=True)
-        monkeypatch.setattr('thefuck.main.confirm', mock)
-        return mock
+    def confirm(self, mocker):
+        return mocker.patch('thefuck.main.confirm', return_value=True)
 
     def test_run_rule(self, capsys):
         main.run_rule(Rule(get_new_command=lambda *_: 'new-command'),
@@ -147,10 +143,8 @@ class TestRunRule(object):
 
 class TestConfirm(object):
     @pytest.fixture
-    def stdin(self, monkeypatch):
-        mock = Mock(return_value='\n')
-        monkeypatch.setattr('sys.stdin.read', mock)
-        return mock
+    def stdin(self, mocker):
+        return mocker.patch('sys.stdin.read', return_value='\n')
 
     def test_when_not_required(self, capsys):
         assert main.confirm('command', None, Mock(require_confirmation=False))

tests/test_shells.py

@@ -1,41 +1,55 @@
 import pytest
-from mock import Mock, MagicMock
 from thefuck import shells
 
 
 @pytest.fixture
-def builtins_open(monkeypatch):
-    mock = MagicMock()
-    monkeypatch.setattr('six.moves.builtins.open', mock)
-    return mock
+def builtins_open(mocker):
+    return mocker.patch('six.moves.builtins.open')
 
 
 @pytest.fixture
-def isfile(monkeypatch):
-    mock = Mock(return_value=True)
-    monkeypatch.setattr('os.path.isfile', mock)
-    return mock
+def isfile(mocker):
+    return mocker.patch('os.path.isfile', return_value=True)
 
 
 class TestGeneric(object):
-    def test_from_shell(self):
-        assert shells.Generic().from_shell('pwd') == 'pwd'
+    @pytest.fixture
+    def shell(self):
+        return shells.Generic()
 
-    def test_to_shell(self):
-        assert shells.Generic().to_shell('pwd') == 'pwd'
+    def test_from_shell(self, shell):
+        assert shell.from_shell('pwd') == 'pwd'
 
-    def test_put_to_history(self, builtins_open):
-        assert shells.Generic().put_to_history('ls') is None
+    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()
+
 
 @pytest.mark.usefixtures('isfile')
 class TestBash(object):
+    @pytest.fixture
+    def shell(self):
+        return shells.Bash()
+
     @pytest.fixture(autouse=True)
-    def Popen(self, monkeypatch):
-        mock = Mock()
-        monkeypatch.setattr('thefuck.shells.Popen', mock)
+    def Popen(self, mocker):
+        mock = mocker.patch('thefuck.shells.Popen')
         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\'')
@@ -43,43 +57,133 @@ 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):
-        assert shells.Bash().from_shell(before) == after
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
 
-    def test_to_shell(self):
-        assert shells.Bash().to_shell('pwd') == 'pwd'
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
 
-    def test_put_to_history(self, builtins_open):
-        shells.Bash().put_to_history('ls')
-        builtins_open.return_value.__enter__.return_value.\
+    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()
+
+
+@pytest.mark.usefixtures('isfile')
+class TestFish(object):
+    @pytest.fixture
+    def shell(self):
+        return shells.Fish()
+
+    @pytest.fixture(autouse=True)
+    def Popen(self, mocker):
+        mock = mocker.patch('thefuck.shells.Popen')
+        mock.return_value.stdout.read.return_value = (
+            b'fish_config\nfuck\nfunced\nfuncsave\ngrep\nhistory\nll\nmath')
+        return mock
+
+    @pytest.mark.parametrize('before, after', [
+        ('pwd', 'pwd'),
+        ('fuck', 'fish -ic "fuck"'),
+        ('find', 'find'),
+        ('funced', 'fish -ic "funced"'),
+        ('awk', 'awk'),
+        ('math "2 + 2"', r'fish -ic "math \"2 + 2\""'),
+        ('vim', 'vim'),
+        ('ll', 'fish -ic "ll"')])  # 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',
+                                       'grep': 'grep',
+                                       'history': 'history',
+                                       'll': 'll',
+                                       'math': 'math'}
+
+    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, monkeypatch):
-        mock = Mock()
-        monkeypatch.setattr('thefuck.shells.Popen', mock)
+    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):
-        assert shells.Zsh().from_shell(before) == after
+    def test_from_shell(self, before, after, shell):
+        assert shell.from_shell(before) == after
 
-    def test_to_shell(self):
-        assert shells.Zsh().to_shell('pwd') == 'pwd'
+    def test_to_shell(self, shell):
+        assert shell.to_shell('pwd') == 'pwd'
 
-    def test_put_to_history(self, builtins_open, monkeypatch):
-        monkeypatch.setattr('thefuck.shells.time',
-                            lambda: 1430707243.3517463)
-        shells.Zsh().put_to_history('ls')
+    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()

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 sudo_support, wrap_settings, memoize, get_closest
 from thefuck.types import Settings
 from tests.utils import Command
 
@@ -24,3 +24,20 @@ 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)
+
+
+def test_memoize():
+    fn = Mock(__name__='fn')
+    memoized = memoize(fn)
+    memoized()
+    memoized()
+    fn.assert_called_once_with()
+
+
+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'])

thefuck/main.py

@@ -62,7 +62,7 @@ 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
@@ -121,10 +121,6 @@ def run_rule(rule, command, settings):
         print(new_command)
 
 
-def alias():
-    print(shells.app_alias())
-
-
 def main():
     colorama.init()
     user_dir = setup_user_dir()

thefuck/rules/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
-
-import thefuck.logs
+from thefuck.utils import get_closest
 
 # 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):
-    return difflib.get_close_matches(formula_name, brew_formulas, 1, 0.85)
+def _get_similar_formula(formula_name):
+    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):
-    return difflib.get_close_matches(command, brew_commands)
+def _get_similar_command(command):
+    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/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

@@ -1,4 +1,5 @@
 import re
+from thefuck import shells
 
 
 def match(command, settings):
@@ -12,4 +13,5 @@ def get_new_command(command, settings):
             r"error: pathspec '([^']*)' "
             "did not match any file\(s\) known to git.", command.stderr)[0]
 
-    return 'git add -- {} && {}'.format(missing_file, command.script)
+    formatme = shells.and_('git add -- {}', '{}')
+    return formatme.format(missing_file, command.script)

thefuck/rules/git_branch_list.py

@@ -0,0 +1,10 @@
+from thefuck import shells
+
+
+def match(command, settings):
+    # catches "git branch list" in place of "git branch"
+    return command.script.split() == 'git branch list'.split()
+
+
+def get_new_command(command, settings):
+    return shells.and_('git branch --delete list', 'git branch')

thefuck/rules/git_checkout.py

@@ -0,0 +1,17 @@
+import re
+from thefuck import shells
+
+
+def match(command, settings):
+    return ('git' in command.script
+            and 'did not match any file(s) known to git.' in command.stderr
+            and "Did you forget to 'git add'?" not in command.stderr)
+
+
+def get_new_command(command, settings):
+    missing_file = re.findall(
+            r"error: pathspec '([^']*)' "
+            "did not match any file\(s\) known to git.", command.stderr)[0]
+
+    formatme = shells.and_('git branch {}', '{}')
+    return formatme.format(missing_file, command.script)

thefuck/rules/git_diff_staged.py

@@ -0,0 +1,6 @@
+def match(command, settings):
+    return command.script.startswith('git d')
+
+
+def get_new_command(command, settings):
+    return '{} --staged'.format(command.script)

thefuck/rules/git_not_command.py

@@ -1,4 +1,6 @@
+from difflib import get_close_matches
 import re
+from thefuck.utils import get_closest
 
 
 def match(command, settings):
@@ -7,10 +9,19 @@ def match(command, settings):
             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()
+
+
 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]*)',
-                         command.stderr)[0]
+    new_cmd = get_closest(broken_cmd,
+                          _get_all_git_matched_commands(command.stderr))
     return command.script.replace(broken_cmd, new_cmd, 1)
 

thefuck/rules/git_pull.py

@@ -0,0 +1,15 @@
+from thefuck import shells
+
+
+def match(command, settings):
+    return ('git' in command.script
+            and 'pull' in command.script
+            and 'set-upstream' in command.stderr)
+
+
+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_stash.py

@@ -0,0 +1,12 @@
+from thefuck import shells
+
+
+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
+
+
+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/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

@@ -2,6 +2,7 @@ from difflib import get_close_matches
 import os
 from pathlib import Path
 from thefuck.utils import sudo_support
+from thefuck.shells import thefuck_alias, get_aliases
 
 
 def _safe(fn, fallback):
@@ -11,25 +12,27 @@ def _safe(fn, fallback):
         return fallback
 
 
-def _get_all_bins():
+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:])
 
 

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

@@ -1,23 +1,22 @@
 import subprocess
-from thefuck.utils import DEVNULL
-
-
-def __command_available(command):
-    try:
-        subprocess.check_output([command], stderr=DEVNULL)
-        return True
-    except subprocess.CalledProcessError:
-        # command exists but is not happy to be called without any argument
-        return True
-    except OSError:
-        return False
+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.script.split(" ")[0]],
-            universal_newlines=True, stderr=subprocess.DEVNULL
+            ['pkgfile', '-b', '-v', command],
+            universal_newlines=True, stderr=DEVNULL
         ).split()
     except subprocess.CalledProcessError:
         return None
@@ -30,14 +29,15 @@ def match(command, settings):
 def get_new_command(command, settings):
     package = __get_pkgfile(command)[0]
 
-    return '{} -S {} && {}'.format(pacman, package, command.script)
+    formatme = shells.and_('{} -S {}', '{}')
+    return formatme.format(pacman, package, command.script)
 
 
-if not __command_available('pkgfile'):
+if not which('pkgfile'):
     enabled_by_default = False
-elif __command_available('yaourt'):
+elif which('yaourt'):
     pacman = 'yaourt'
-elif __command_available('pacman'):
+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 +7,13 @@ 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']
 
 
 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 +1,14 @@
+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: ([^, \n]*)",
+                   command.stderr)
+
+    return command.script.replace(cmd.group(1), cmd.group(2))

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

@@ -1,5 +1,5 @@
 """Module with shell specific actions, each shell class should
-implement `from_shell`, `to_shell`, `app_alias` and `put_to_history`
+implement `from_shell`, `to_shell`, `app_alias`, `put_to_history` and `get_aliases`
 methods.
 
 """
@@ -8,15 +8,16 @@ from subprocess import Popen, PIPE
 from time import time
 import os
 from psutil import Process
-from .utils import DEVNULL
+from .utils import DEVNULL, memoize
 
 
 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)
@@ -32,7 +33,7 @@ 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 ''
@@ -47,20 +48,29 @@ class Generic(object):
             with open(history_file_name, 'a') as history:
                 history.write(self._get_history_line(command_script))
 
+    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):
-        proc = Popen('bash -ic alias', stdout=PIPE, stderr=DEVNULL, shell=True)
+    @memoize
+    def get_aliases(self):
+        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",
@@ -70,19 +80,71 @@ class Bash(Generic):
         return u'{}\n'.format(command_script)
 
 
+class Fish(Generic):
+    def app_alias(self):
+        return ("function fuck -d 'Correct your previous console command'\n"
+                "    set -l exit_code $status\n"
+                "    set -l TF_ALIAS fuck\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")
+
+    @memoize
+    def get_aliases(self):
+        proc = Popen('fish -ic functions', stdout=PIPE, stderr=DEVNULL,
+                     shell=True)
+        functions = proc.stdout.read().decode('utf-8').strip().split('\n')
+        return {function: function for function in functions}
+
+    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):
-        proc = Popen('zsh -ic alias', stdout=PIPE, stderr=DEVNULL, shell=True)
+    @memoize
+    def get_aliases(self):
+        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",
@@ -92,13 +154,44 @@ class Zsh(Generic):
         return u': {}:0;{}\n'.format(int(time()), command_script)
 
 
+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
+
+    @memoize
+    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]
 
 
@@ -111,8 +204,20 @@ 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)
+
+
+def get_aliases():
+    return list(_get_shell().get_aliases().keys())

thefuck/utils.py

@@ -1,11 +1,20 @@
+from difflib import get_close_matches
 from functools import wraps
 import os
+import pickle
 import six
 from .types import Command
 
 
 DEVNULL = open(os.devnull, 'w')
 
+if six.PY2:
+    import pipes
+    quote = pipes.quote
+else:
+    import shlex
+    quote = shlex.quote
+
 
 def which(program):
     """Returns `program` path or `None`."""
@@ -62,3 +71,27 @@ def sudo_support(fn):
         else:
             return result
     return wrapper
+
+
+def memoize(fn):
+    """Caches previous calls to the function."""
+    memo = {}
+
+    @wraps(fn)
+    def wrapper(*args, **kwargs):
+        key = pickle.dumps((args, kwargs))
+        if key not in memo:
+            memo[key] = fn(*args, **kwargs)
+
+        return memo[key]
+
+    return wrapper
+
+
+def get_closest(word, possibilities, n=3, cutoff=0.6):
+    """Returns closest match or just first from possibilities."""
+    possibilities = list(possibilities)
+    try:
+        return get_close_matches(word, possibilities, n, cutoff)[0]
+    except IndexError:
+        return possibilities[0]

tox.ini

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