Bump to 2.7

Change failed message 'No fuck given' to the more popular 'No fucks g…

.travis.yml

@@ -12,6 +12,8 @@ addons:
       - zsh
       - fish
       - tcsh
+      - pandoc
+      - git
 env:
   - FUNCTIONAL=true BARE=true
 install:

README.md

@@ -1,10 +1,10 @@
-# The Fuck [![Build Status](https://travis-ci.org/nvbn/thefuck.svg)](https://travis-ci.org/nvbn/thefuck) 
+# The Fuck [![Build Status](https://travis-ci.org/nvbn/thefuck.svg?branch=master)](https://travis-ci.org/nvbn/thefuck) 
 
 Magnificent app which corrects your previous console command,
 inspired by a [@liamosaur](https://twitter.com/liamosaur/)
 [tweet](https://twitter.com/liamosaur/status/506975850596536320).
 
-![gif with examples](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)
+[![gif with examples](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)](https://raw.githubusercontent.com/nvbn/thefuck/master/example.gif)
 
 Few more examples:
 
@@ -14,7 +14,7 @@ E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
 E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
 
 ➜ fuck
-sudo apt-get install vim [enter/ctrl+c]
+sudo apt-get install vim [enter/↑/↓/ctrl+c]
 [sudo] password for nvbn:
 Reading package lists... Done
 ...
@@ -29,7 +29,7 @@ To push the current branch and set the remote as upstream, use
 
 
 ➜ fuck
-git push --set-upstream origin master [enter/ctrl+c]
+git push --set-upstream origin master [enter/↑/↓/ctrl+c]
 Counting objects: 9, done.
 ...
 ```
@@ -42,7 +42,7 @@ No command 'puthon' found, did you mean:
 zsh: command not found: puthon
 
 ➜ fuck
-python [enter/ctrl+c]
+python [enter/↑/↓/ctrl+c]
 Python 3.4.2 (default, Oct  8 2014, 13:08:17)
 ...
 ```
@@ -55,7 +55,7 @@ Did you mean this?
 	branch
 
 ➜ fuck
-git branch [enter/ctrl+c]
+git branch [enter/↑/↓/ctrl+c]
 * master
 ```
 
@@ -67,7 +67,7 @@ Did you mean this?
          repl
 
 ➜ fuck
-lein repl [enter/ctrl+c]
+lein repl [enter/↑/↓/ctrl+c]
 nREPL server started on port 54848 on host 127.0.0.1 - nrepl://127.0.0.1:54848
 REPL-y 0.3.1
 ...
@@ -107,9 +107,9 @@ sudo pip install thefuck
 You should place this command in your `.bash_profile`, `.bashrc`, `.zshrc` or other startup script:
 
 ```bash
-eval "$(thefuck-alias)"
+eval "$(thefuck --alias)"
 # You can use whatever you want as an alias, like for Mondays:
-eval "$(thefuck-alias FUCK)"
+eval "$(thefuck --alias FUCK)"
 ```
 
 [Or in your shell config (Bash, Zsh, Fish, Powershell, tcsh).](https://github.com/nvbn/thefuck/wiki/Shell-aliases)
@@ -139,11 +139,14 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `composer_not_command` – fixes composer command name;
 * `cp_omitting_directory` – adds `-a` when you `cp` directory;
 * `cpp11` – adds missing `-std=c++11` to `g++` or `clang++`;
+* `dirty_untar` – fixes `tar x` command that untarred in the current directory;
+* `dirty_unzip` – fixes `unzip` command that unzipped in the current directory;
 * `django_south_ghost` – adds `--delete-ghost-migrations` to failed because ghosts django south migration;
 * `django_south_merge` – adds `--merge` to inconsistent django south migration;
 * `docker_not_command` – fixes wrong docker commands like `docker tags`;
 * `dry` – fixes repetitions like `git git push`;
 * `fix_alt_space` – replaces Alt+Space with Space character;
+* `fix_file` – opens a file with an error in your `$EDITOR`;
 * `git_add` – fixes *"Did you forget to 'git add'?"*;
 * `git_branch_delete` – changes `git branch -d` to `git branch -D`;
 * `git_branch_list` – catches `git branch list` in place of `git branch` and removes created branch;
@@ -185,6 +188,8 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `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`;
+* `tsuru_login` – runs `tsuru login` if not authenticated or session expired;
+* `tsuru_not_command` – fixes wrong tsuru commands like `tsuru shell`;
 * `tmux` – fixes `tmux` commands;
 * `whois` – fixes `whois` command.
 
@@ -205,14 +210,14 @@ Bundled, but not enabled by default:
 
 For adding your own rule you should create `your-rule-name.py`
 in `~/.thefuck/rules`. The rule should contain two functions:
+
 ```python
 match(command: Command, settings: Settings) -> bool
-get_new_command(command: Command, settings: Settings) -> str
+get_new_command(command: Command, settings: Settings) -> str | list[str]
 ```
 
-Also the rule can contain an optional function
-`side_effect(command: Command, settings: Settings) -> None` and an
-optional boolean `enabled_by_default`.
+Also the rule can contain an optional function `side_effect(command: Command, settings: Settings) -> None`
+and optional `enabled_by_default`, `requires_output` and `priority` variables.
 
 `Command` has three attributes: `script`, `stdout` and `stderr`.
 
@@ -236,6 +241,8 @@ def side_effect(command, settings):
     subprocess.call('chmod 777 .', shell=True)
 
 priority = 1000  # Lower first, default is 1000
+
+requires_output = True
 ```
 
 [More examples of rules](https://github.com/nvbn/thefuck/tree/master/thefuck/rules),
@@ -304,5 +311,12 @@ Run unit and functional tests (requires docker):
 FUNCTIONAL=true py.test
 ```
 
+For sending package to pypi:
+
+```bash
+sudo apt-get install pandoc
+./release.py
+```
+
 ## License MIT
 Project License can be found [here](LICENSE.md).

release.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 from subprocess import call
+import os
 import re
 
 
@@ -28,4 +29,7 @@ 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 bdist_wheel upload', shell=True)
+
+env = os.environ
+env['CONVERT_README'] = 'true'
+call('python setup.py sdist bdist_wheel upload', shell=True, env=env)

requirements.txt

@@ -4,3 +4,4 @@ pytest-mock
 wheel
 setuptools>=17.1
 pexpect
+pypandoc

setup.cfg

@@ -1,4 +1,2 @@
 [bdist_wheel]
 universal = 1
-[metadata]
-description-file = README.md

setup.py

@@ -1,17 +1,26 @@
 #!/usr/bin/env python
 from setuptools import setup, find_packages
 import sys
+import os
 
-if sys.version_info < (2, 7):
+if os.environ.get('CONVERT_README'):
+    import pypandoc
+
+    long_description = pypandoc.convert('README.md', 'rst')
+else:
+    long_description = ''
+
+version = sys.version_info[:2]
+if version < (2, 7):
     print('thefuck requires Python version 2.7 or later' +
-          ' ({}.{} detected).'.format(*sys.version_info[:2]))
+          ' ({}.{} detected).'.format(*version))
     sys.exit(-1)
-elif (3, 0) < sys.version_info < (3, 3):
+elif (3, 0) < version < (3, 3):
     print('thefuck requires Python version 3.3 or later' +
-          ' ({}.{} detected).'.format(*sys.version_info[:2]))
+          ' ({}.{} detected).'.format(*version))
     sys.exit(-1)
 
-VERSION = '2.4'
+VERSION = '2.7'
 
 install_requires = ['psutil', 'colorama', 'six']
 extras_require = {':python_version<"3.4"': ['pathlib']}
@@ -19,6 +28,7 @@ extras_require = {':python_version<"3.4"': ['pathlib']}
 setup(name='thefuck',
       version=VERSION,
       description="Magnificent app which corrects your previous console command",
+      long_description=long_description,
       author='Vladimir Iakovlev',
       author_email='nvbn.rm@gmail.com',
       url='https://github.com/nvbn/thefuck',

tests/functional/plots.py

@@ -1,42 +1,82 @@
+from time import sleep
+from pexpect import TIMEOUT
+
+
+def _set_confirmation(proc, require):
+    proc.sendline(u'mkdir -p ~/.thefuck')
+    proc.sendline(
+        u'echo "require_confirmation = {}" > ~/.thefuck/settings.py'.format(
+            require))
+
+
 def with_confirmation(proc):
     """Ensures that command can be fixed when confirmation enabled."""
-    proc.sendline(u'mkdir -p ~/.thefuck')
-    proc.sendline(u'echo "require_confirmation = True" > ~/.thefuck/settings.py')
+    _set_confirmation(proc, True)
 
     proc.sendline(u'ehco test')
 
     proc.sendline(u'fuck')
-    proc.expect(u'echo test')
-    proc.expect(u'enter')
-    proc.expect_exact(u'ctrl+c')
+    assert proc.expect([TIMEOUT, u'echo test'])
+    assert proc.expect([TIMEOUT, u'enter'])
+    assert proc.expect_exact([TIMEOUT, u'ctrl+c'])
     proc.send('\n')
 
-    proc.expect(u'test')
+    assert proc.expect([TIMEOUT, u'test'])
+
+
+def history_changed(proc, to):
+    """Ensures that history changed."""
+    proc.send('\033[A')
+    assert proc.expect([TIMEOUT, to])
+
+
+def history_not_changed(proc):
+    """Ensures that history not changed."""
+    proc.send('\033[A')
+    assert proc.expect([TIMEOUT, u'fuck'])
+
+
+def select_command_with_arrows(proc):
+    """Ensures that command can be selected with arrow keys."""
+    _set_confirmation(proc, True)
+
+    proc.sendline(u'git h')
+    assert proc.expect([TIMEOUT, u"git: 'h' is not a git command."])
+
+    proc.sendline(u'fuck')
+    assert proc.expect([TIMEOUT, u'git show'])
+    proc.send('\033[B')
+    assert proc.expect([TIMEOUT, u'git push'])
+    proc.send('\033[B')
+    assert proc.expect([TIMEOUT, u'git help'])
+    proc.send('\033[A')
+    assert proc.expect([TIMEOUT, u'git push'])
+    proc.send('\n')
+
+    assert proc.expect([TIMEOUT, u'Not a git repository'])
 
 
 def refuse_with_confirmation(proc):
     """Ensures that fix can be refused when confirmation enabled."""
-    proc.sendline(u'mkdir -p ~/.thefuck')
-    proc.sendline(u'echo "require_confirmation = True" > ~/.thefuck/settings.py')
+    _set_confirmation(proc, True)
 
     proc.sendline(u'ehco test')
 
     proc.sendline(u'fuck')
-    proc.expect(u'echo test')
-    proc.expect(u'enter')
-    proc.expect_exact(u'ctrl+c')
+    assert proc.expect([TIMEOUT, u'echo test'])
+    assert proc.expect([TIMEOUT, u'enter'])
+    assert proc.expect_exact([TIMEOUT, u'ctrl+c'])
     proc.send('\003')
 
-    proc.expect(u'Aborted')
+    assert proc.expect([TIMEOUT, u'Aborted'])
 
 
 def without_confirmation(proc):
     """Ensures that command can be fixed when confirmation disabled."""
-    proc.sendline(u'mkdir -p ~/.thefuck')
-    proc.sendline(u'echo "require_confirmation = False" > ~/.thefuck/settings.py')
+    _set_confirmation(proc, False)
 
     proc.sendline(u'ehco test')
 
     proc.sendline(u'fuck')
-    proc.expect(u'echo test')
-    proc.expect(u'test')
+    assert proc.expect([TIMEOUT, u'echo test'])
+    assert proc.expect([TIMEOUT, u'test'])

tests/functional/test_bash.py

@@ -1,42 +1,53 @@
 import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
-    refuse_with_confirmation
+    refuse_with_confirmation, history_changed, history_not_changed, \
+    select_command_with_arrows
 from tests.functional.utils import spawn, functional, images
 
 containers = images(('ubuntu-python3-bash', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python3 python3-pip python3-dev
+RUN apt-get install -yy python3 python3-pip python3-dev git
 RUN pip3 install -U setuptools
 RUN ln -s /usr/bin/pip3 /usr/bin/pip
 '''),
                     ('ubuntu-python2-bash', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python python-pip python-dev
+RUN apt-get install -yy python python-pip python-dev git
 RUN pip2 install -U pip setuptools
 '''))
 
 
-@functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'bash') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        with_confirmation(proc)
+@pytest.fixture(params=containers)
+def proc(request):
+    tag, dockerfile = request.param
+    proc = spawn(request, tag, dockerfile, u'bash')
+    proc.sendline(u"export PS1='$ '")
+    proc.sendline(u'eval $(thefuck-alias)')
+    proc.sendline(u'echo > $HISTFILE')
+    return proc
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_refuse_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'bash') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        refuse_with_confirmation(proc)
+def test_with_confirmation(proc):
+    with_confirmation(proc)
+    history_changed(proc, u'echo test')
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_without_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'bash') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        without_confirmation(proc)
+def test_select_command_with_arrows(proc):
+    select_command_with_arrows(proc)
+    history_changed(proc, u'git push')
+
+
+@functional
+def test_refuse_with_confirmation(proc):
+    refuse_with_confirmation(proc)
+    history_not_changed(proc)
+
+
+@functional
+def test_without_confirmation(proc):
+    without_confirmation(proc)
+    history_changed(proc, u'echo test')

tests/functional/test_fish.py

@@ -1,51 +1,59 @@
 import pytest
 from tests.functional.plots import with_confirmation, without_confirmation, \
-    refuse_with_confirmation
+    refuse_with_confirmation, select_command_with_arrows
 from tests.functional.utils import spawn, functional, images, bare
 
 containers = images(('ubuntu-python3-fish', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python3 python3-pip python3-dev fish
+RUN apt-get install -yy python3 python3-pip python3-dev fish git
 RUN pip3 install -U setuptools
 RUN ln -s /usr/bin/pip3 /usr/bin/pip
+RUN apt-get install -yy fish
 '''),
                     ('ubuntu-python2-fish', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python python-pip python-dev fish
+RUN apt-get install -yy python python-pip python-dev git
 RUN pip2 install -U pip setuptools
+RUN apt-get install -yy fish
 '''))
 
 
-@functional
-@pytest.mark.skipif(
-    bool(bare), reason='https://github.com/travis-ci/apt-source-whitelist/issues/71')
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'fish') as proc:
-        proc.sendline(u'thefuck-alias > ~/.config/fish/config.fish')
-        proc.sendline(u'fish')
-        with_confirmation(proc)
+@pytest.fixture(params=containers)
+def proc(request):
+    tag, dockerfile = request.param
+    proc = spawn(request, tag, dockerfile, u'fish')
+    proc.sendline(u'thefuck-alias > ~/.config/fish/config.fish')
+    proc.sendline(u'fish')
+    return proc
 
 
 @functional
 @pytest.mark.skipif(
     bool(bare), reason='https://github.com/travis-ci/apt-source-whitelist/issues/71')
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_refuse_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'fish') as proc:
-        proc.sendline(u'thefuck-alias > ~/.config/fish/config.fish')
-        proc.sendline(u'fish')
-        refuse_with_confirmation(proc)
+def test_with_confirmation(proc):
+    with_confirmation(proc)
 
 
 @functional
 @pytest.mark.skipif(
     bool(bare), reason='https://github.com/travis-ci/apt-source-whitelist/issues/71')
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_without_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'fish') as proc:
-        proc.sendline(u'thefuck-alias > ~/.config/fish/config.fish')
-        proc.sendline(u'fish')
-        without_confirmation(proc)
+def test_select_command_with_arrows(proc):
+    select_command_with_arrows(proc)
+
+
+@functional
+@pytest.mark.skipif(
+    bool(bare), reason='https://github.com/travis-ci/apt-source-whitelist/issues/71')
+def test_refuse_with_confirmation(proc):
+    refuse_with_confirmation(proc)
+
+
+@functional
+@pytest.mark.skipif(
+    bool(bare), reason='https://github.com/travis-ci/apt-source-whitelist/issues/71')
+def test_without_confirmation(proc):
+    without_confirmation(proc)
+
+# TODO: ensure that history changes.

tests/functional/test_tcsh.py

@@ -1,45 +1,51 @@
 import pytest
 from tests.functional.utils import spawn, functional, images
 from tests.functional.plots import with_confirmation, without_confirmation, \
-    refuse_with_confirmation
+    refuse_with_confirmation, select_command_with_arrows
 
 containers = images(('ubuntu-python3-tcsh', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python3 python3-pip python3-dev tcsh
+RUN apt-get install -yy python3 python3-pip python3-dev git
 RUN pip3 install -U setuptools
 RUN ln -s /usr/bin/pip3 /usr/bin/pip
+RUN apt-get install -yy tcsh
 '''),
                     ('ubuntu-python2-tcsh', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python python-pip python-dev tcsh
+RUN apt-get install -yy python python-pip python-dev git
 RUN pip2 install -U pip setuptools
+RUN apt-get install -yy tcsh
 '''))
 
 
-@functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'tcsh') as proc:
-        proc.sendline(u'tcsh')
-        proc.sendline(u'eval `thefuck-alias`')
-        with_confirmation(proc)
+@pytest.fixture(params=containers)
+def proc(request):
+    tag, dockerfile = request.param
+    proc = spawn(request, tag, dockerfile, u'tcsh')
+    proc.sendline(u'tcsh')
+    proc.sendline(u'eval `thefuck-alias`')
+    return proc
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_refuse_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'tcsh') as proc:
-        proc.sendline(u'tcsh')
-        proc.sendline(u'eval `thefuck-alias`')
-        refuse_with_confirmation(proc)
+def test_with_confirmation(proc):
+    with_confirmation(proc)
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_without_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'tcsh') as proc:
-        proc.sendline(u'tcsh')
-        proc.sendline(u'eval `thefuck-alias`')
-        without_confirmation(proc)
+def test_select_command_with_arrows(proc):
+    select_command_with_arrows(proc)
+
+
+@functional
+def test_refuse_with_confirmation(proc):
+    refuse_with_confirmation(proc)
+
+
+@functional
+def test_without_confirmation(proc):
+    without_confirmation(proc)
+
+# TODO: ensure that history changes.

tests/functional/test_zsh.py

@@ -1,42 +1,57 @@
 import pytest
 from tests.functional.utils import spawn, functional, images
 from tests.functional.plots import with_confirmation, without_confirmation, \
-    refuse_with_confirmation
+    refuse_with_confirmation, history_changed, history_not_changed, select_command_with_arrows
 
 containers = images(('ubuntu-python3-zsh', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python3 python3-pip python3-dev zsh
+RUN apt-get install -yy python3 python3-pip python3-dev git
 RUN pip3 install -U setuptools
 RUN ln -s /usr/bin/pip3 /usr/bin/pip
+RUN apt-get install -yy zsh
 '''),
                     ('ubuntu-python2-zsh', u'''
 FROM ubuntu:latest
 RUN apt-get update
-RUN apt-get install -yy python python-pip python-dev zsh
+RUN apt-get install -yy python python-pip python-dev git
 RUN pip2 install -U pip setuptools
+RUN apt-get install -yy zsh
 '''))
 
 
-@functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'zsh') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        with_confirmation(proc)
+@pytest.fixture(params=containers)
+def proc(request):
+    tag, dockerfile = request.param
+    proc = spawn(request, tag, dockerfile, u'zsh')
+    proc.sendline(u'eval $(thefuck-alias)')
+    proc.sendline(u'export HISTFILE=~/.zsh_history')
+    proc.sendline(u'echo > $HISTFILE')
+    proc.sendline(u'export SAVEHIST=100')
+    proc.sendline(u'export HISTSIZE=100')
+    proc.sendline(u'setopt INC_APPEND_HISTORY')
+    return proc
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_refuse_with_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'zsh') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        refuse_with_confirmation(proc)
+def test_with_confirmation(proc):
+    with_confirmation(proc)
+    history_changed(proc, u'echo test')
 
 
 @functional
-@pytest.mark.parametrize('tag, dockerfile', containers)
-def test_without_confirmation(tag, dockerfile):
-    with spawn(tag, dockerfile, u'zsh') as proc:
-        proc.sendline(u'eval $(thefuck-alias)')
-        without_confirmation(proc)
+def test_select_command_with_arrows(proc):
+    select_command_with_arrows(proc)
+    history_changed(proc, u'git push')
+
+
+@functional
+def test_refuse_with_confirmation(proc):
+    refuse_with_confirmation(proc)
+    history_not_changed(proc)
+
+
+@functional
+def test_without_confirmation(proc):
+    without_confirmation(proc)
+    history_changed(proc, u'echo test')

tests/functional/utils.py

@@ -1,5 +1,4 @@
 import os
-from contextlib import contextmanager
 import subprocess
 import shutil
 from tempfile import mkdtemp
@@ -15,16 +14,17 @@ enabled = os.environ.get('FUNCTIONAL')
 
 def build_container(tag, dockerfile):
     tmpdir = mkdtemp()
-    with Path(tmpdir).joinpath('Dockerfile').open('w') as file:
-        file.write(dockerfile)
-    if subprocess.call(['docker', 'build', '--tag={}'.format(tag), tmpdir],
-                       cwd=root) != 0:
-        raise Exception("Can't build a container")
-    shutil.rmtree(tmpdir)
+    try:
+        with Path(tmpdir).joinpath('Dockerfile').open('w') as file:
+            file.write(dockerfile)
+        if subprocess.call(['docker', 'build', '--tag={}'.format(tag), tmpdir],
+                           cwd=root) != 0:
+            raise Exception("Can't build a container")
+    finally:
+        shutil.rmtree(tmpdir)
 
 
-@contextmanager
-def spawn(tag, dockerfile, cmd):
+def spawn(request, tag, dockerfile, cmd):
     if bare:
         proc = pexpect.spawnu(cmd)
     else:
@@ -33,13 +33,12 @@ def spawn(tag, dockerfile, cmd):
         proc = pexpect.spawnu('docker run --volume {}:/src --tty=true '
                               '--interactive=true {} {}'.format(root, tag, cmd))
         proc.sendline('pip install /src')
+    proc.sendline('cd /')
 
     proc.logfile = sys.stdout
 
-    try:
-        yield proc
-    finally:
-        proc.terminate(force=bare)
+    request.addfinalizer(proc.terminate)
+    return proc
 
 
 def images(*items):

tests/rules/test_brew_unknown_command.py

@@ -22,7 +22,7 @@ def test_match(brew_unknown_cmd):
 
 def test_get_new_command(brew_unknown_cmd, brew_unknown_cmd2):
     assert get_new_command(Command('brew inst', stderr=brew_unknown_cmd),
-                           None) == 'brew list'
+                           None) == ['brew list', 'brew install', 'brew uninstall']
 
     assert get_new_command(Command('brew instaa', stderr=brew_unknown_cmd2),
-                           None) == 'brew install'
+                           None) == ['brew install', 'brew uninstall', 'brew list']

tests/rules/test_dirty_untar.py

@@ -0,0 +1,62 @@
+import os
+import pytest
+import tarfile
+from thefuck.rules.dirty_untar import match, get_new_command, side_effect
+from tests.utils import Command
+
+
+@pytest.fixture
+def tar_error(tmpdir):
+    def fixture(filename):
+        path = os.path.join(str(tmpdir), filename)
+
+        def reset(path):
+            with tarfile.TarFile(path, 'w') as archive:
+                for file in ('a', 'b', 'c'):
+                    with open(file, 'w') as f:
+                        f.write('*')
+
+                    archive.add(file)
+
+                    os.remove(file)
+
+            with tarfile.TarFile(path, 'r') as archive:
+                archive.extractall()
+
+        os.chdir(str(tmpdir))
+        reset(path)
+
+        assert(set(os.listdir('.')) == {filename, 'a', 'b', 'c'})
+
+    return fixture
+
+parametrize_filename = pytest.mark.parametrize('filename', [
+    'foo.tar',
+    'foo.tar.gz',
+    'foo.tgz'])
+
+parametrize_script = pytest.mark.parametrize('script, fixed', [
+    ('tar xvf {}', 'mkdir -p foo && tar xvf {} -C foo'),
+    ('tar -xvf {}', 'mkdir -p foo && tar -xvf {} -C foo'),
+    ('tar --extract -f {}', 'mkdir -p foo && tar --extract -f {} -C foo')])
+
+@parametrize_filename
+@parametrize_script
+def test_match(tar_error, filename, script, fixed):
+    tar_error(filename)
+    assert match(Command(script=script.format(filename)), None)
+
+
+@parametrize_filename
+@parametrize_script
+def test_side_effect(tar_error, filename, script, fixed):
+    tar_error(filename)
+    side_effect(Command(script=script.format(filename)), None)
+    assert(os.listdir('.') == [filename])
+
+
+@parametrize_filename
+@parametrize_script
+def test_get_new_command(tar_error, filename, script, fixed):
+    tar_error(filename)
+    assert get_new_command(Command(script=script.format(filename)), None) == fixed.format(filename)

tests/rules/test_dirty_unzip.py

@@ -0,0 +1,45 @@
+import os
+import pytest
+import zipfile
+from thefuck.rules.dirty_unzip import match, get_new_command, side_effect
+from tests.utils import Command
+
+
+@pytest.fixture
+def zip_error(tmpdir):
+    path = os.path.join(str(tmpdir), 'foo.zip')
+
+    def reset(path):
+        with zipfile.ZipFile(path, 'w') as archive:
+            archive.writestr('a', '1')
+            archive.writestr('b', '2')
+            archive.writestr('c', '3')
+
+            archive.extractall()
+
+    os.chdir(str(tmpdir))
+    reset(path)
+
+    assert(set(os.listdir('.')) == {'foo.zip', 'a', 'b', 'c'})
+
+
+@pytest.mark.parametrize('script', [
+    'unzip foo',
+    'unzip foo.zip'])
+def test_match(zip_error, script):
+    assert match(Command(script=script), None)
+
+
+@pytest.mark.parametrize('script', [
+    'unzip foo',
+    'unzip foo.zip'])
+def test_side_effect(zip_error, script):
+    side_effect(Command(script=script), None)
+    assert(os.listdir('.') == ['foo.zip'])
+
+
+@pytest.mark.parametrize('script,fixed', [
+    ('unzip foo', 'unzip foo -d foo'),
+    ('unzip foo.zip', 'unzip foo.zip -d foo')])
+def test_get_new_command(zip_error, script, fixed):
+    assert get_new_command(Command(script=script), None) == fixed

tests/rules/test_docker_not_command.py

@@ -122,8 +122,8 @@ def test_not_match(script, stderr):
 
 @pytest.mark.usefixtures('docker_help')
 @pytest.mark.parametrize('wrong, fixed', [
-    ('pes', 'ps'),
-    ('tags', 'tag')])
+    ('pes', ['ps', 'push', 'pause']),
+    ('tags', ['tag', 'stats', 'images'])])
 def test_get_new_command(wrong, fixed):
     command = Command('docker {}'.format(wrong), stderr=stderr(wrong))
-    assert get_new_command(command, None) == 'docker {}'.format(fixed)
+    assert get_new_command(command, None) == ['docker {}'.format(x) for x in fixed]

tests/rules/test_fix_file.py

@@ -0,0 +1,188 @@
+import pytest
+import os
+from thefuck.rules.fix_file import match, get_new_command
+from tests.utils import Command
+
+
+# (script, file, line, col (or None), stderr)
+tests = (
+('gcc a.c', 'a.c', 3, 1,
+"""
+a.c: In function 'main':
+a.c:3:1: error: expected expression before '}' token
+ }
+  ^
+"""),
+
+('clang a.c', 'a.c', 3, 1,
+"""
+a.c:3:1: error: expected expression
+}
+^
+"""),
+
+('perl a.pl', 'a.pl', 3, None,
+"""
+syntax error at a.pl line 3, at EOF
+Execution of a.pl aborted due to compilation errors.
+"""),
+
+('perl a.pl', 'a.pl', 2, None,
+"""
+Search pattern not terminated at a.pl line 2.
+"""),
+
+('sh a.sh', 'a.sh', 2, None,
+"""
+a.sh: line 2: foo: command not found
+"""),
+
+('zsh a.sh', 'a.sh', 2, None,
+"""
+a.sh:2: command not found: foo
+"""),
+
+('bash a.sh', 'a.sh', 2, None,
+"""
+a.sh: line 2: foo: command not found
+"""),
+
+('rustc a.rs', 'a.rs', 2, 5,
+"""
+a.rs:2:5: 2:6 error: unexpected token: `+`
+a.rs:2     +
+           ^
+"""),
+
+('cargo build', 'src/lib.rs', 3, 5,
+"""
+   Compiling test v0.1.0 (file:///tmp/fix-error/test)
+   src/lib.rs:3:5: 3:6 error: unexpected token: `+`
+   src/lib.rs:3     +
+                    ^
+Could not compile `test`.
+
+To learn more, run the command again with --verbose.
+"""),
+
+('python a.py', 'a.py', 2, None,
+"""
+  File "a.py", line 2
+      +
+          ^
+SyntaxError: invalid syntax
+"""),
+
+('python a.py', 'a.py', 8, None,
+"""
+Traceback (most recent call last):
+  File "a.py", line 8, in <module>
+    match("foo")
+  File "a.py", line 5, in match
+    m = re.search(None, command)
+  File "/usr/lib/python3.4/re.py", line 170, in search
+    return _compile(pattern, flags).search(string)
+  File "/usr/lib/python3.4/re.py", line 293, in _compile
+    raise TypeError("first argument must be string or compiled pattern")
+TypeError: first argument must be string or compiled pattern
+"""
+),
+
+('ruby a.rb', 'a.rb', 3, None,
+"""
+a.rb:3: syntax error, unexpected keyword_end
+"""),
+
+('lua a.lua', 'a.lua', 2, None,
+"""
+lua: a.lua:2: unexpected symbol near '+'
+"""),
+
+('fish a.sh', '/tmp/fix-error/a.sh', 2, None,
+"""
+fish: Unknown command 'foo'
+/tmp/fix-error/a.sh (line 2): foo
+                              ^
+"""),
+
+('./a', './a', 2, None,
+"""
+awk: ./a:2: BEGIN { print "Hello, world!" + }
+awk: ./a:2:                                 ^ syntax error
+"""),
+
+('llc a.ll', 'a.ll', 1, None,
+"""
+llc: a.ll:1:1: error: expected top-level entity
++
+^
+"""),
+
+('go build a.go', 'a.go', 1, None,
+"""
+can't load package:
+a.go:1:1: expected 'package', found '+'
+"""),
+
+('make', 'Makefile', 2, None,
+"""
+bidule
+make: bidule: Command not found
+Makefile:2: recipe for target 'target' failed
+make: *** [target] Error 127
+"""),
+
+('git st', '/home/martin/.config/git/config', 1, None,
+"""
+fatal: bad config file line 1 in /home/martin/.config/git/config
+"""),
+
+('node fuck.js asdf qwer', '/Users/pablo/Workspace/barebones/fuck.js', '2', 5,
+"""
+/Users/pablo/Workspace/barebones/fuck.js:2
+conole.log(arg);  // this should read console.log(arg);
+^
+ReferenceError: conole is not defined
+    at /Users/pablo/Workspace/barebones/fuck.js:2:5
+    at Array.forEach (native)
+    at Object.<anonymous> (/Users/pablo/Workspace/barebones/fuck.js:1:85)
+    at Module._compile (module.js:460:26)
+    at Object.Module._extensions..js (module.js:478:10)
+    at Module.load (module.js:355:32)
+    at Function.Module._load (module.js:310:12)
+    at Function.Module.runMain (module.js:501:10)
+    at startup (node.js:129:16)
+    at node.js:814:3
+"""),
+)
+
+
+@pytest.mark.parametrize('test', tests)
+def test_match(mocker, monkeypatch, test):
+    mocker.patch('os.path.isfile', return_value=True)
+    monkeypatch.setenv('EDITOR', 'dummy_editor')
+    assert match(Command(stderr=test[4]), None)
+
+
+@pytest.mark.parametrize('test', tests)
+def test_no_editor(mocker, monkeypatch, test):
+    mocker.patch('os.path.isfile', return_value=True)
+    if 'EDITOR' in os.environ:
+        monkeypatch.delenv('EDITOR')
+
+    assert not match(Command(stderr=test[4]), None)
+
+
+@pytest.mark.parametrize('test', tests)
+def test_not_file(mocker, monkeypatch, test):
+    mocker.patch('os.path.isfile', return_value=False)
+    monkeypatch.setenv('EDITOR', 'dummy_editor')
+
+    assert not match(Command(stderr=test[4]), None)
+
+
+@pytest.mark.parametrize('test', tests)
+def test_get_new_command(monkeypatch, test):
+    monkeypatch.setenv('EDITOR', 'dummy_editor')
+    assert (get_new_command(Command(script=test[0], stderr=test[4]), None) ==
+        'dummy_editor {} +{} && {}'.format(test[1], test[2], test[0]))

tests/rules/test_git_not_command.py

@@ -50,8 +50,8 @@ def test_match(git_not_command, git_command, git_not_command_one_of_this):
 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'
+           == ['git branch']
     assert get_new_command(Command('git st', stderr=git_not_command_one_of_this),
-                           None) == 'git status'
+                           None) == ['git stats', 'git stash', 'git stage']
     assert get_new_command(Command('git tags', stderr=git_not_command_closest),
-                           None) == 'git tag'
+                           None) == ['git tag', 'git stage']

tests/rules/test_gulp_not_task.py

@@ -25,4 +25,4 @@ def test_get_new_command(mocker):
     mocker.patch('thefuck.rules.gulp_not_task.get_gulp_tasks', return_value=[
         'serve', 'build', 'default'])
     command = Command('gulp srve', stdout('srve'))
-    assert get_new_command(command, None) == 'gulp serve'
+    assert get_new_command(command, None) == ['gulp serve', 'gulp default']

tests/rules/test_heroku_not_command.py

@@ -27,8 +27,8 @@ def test_not_match(script, stderr):
 
 
 @pytest.mark.parametrize('cmd, result', [
-    ('log', 'heroku logs'),
-    ('pge', 'heroku pg')])
+    ('log', ['heroku logs', 'heroku pg']),
+    ('pge', ['heroku pg', 'heroku logs'])])
 def test_get_new_command(cmd, result):
     command = Command('heroku {}'.format(cmd), stderr=suggest_stderr(cmd))
     assert get_new_command(command, None) == result

tests/rules/test_lein_not_task.py

@@ -9,6 +9,7 @@ def is_not_task():
 
 Did you mean this?
          repl
+         jar
 '''
 
 
@@ -19,4 +20,4 @@ def test_match(is_not_task):
 
 def test_get_new_command(is_not_task):
     assert get_new_command(Mock(script='lein rpl --help', stderr=is_not_task),
-                           None) == 'lein repl --help'
+                           None) == ['lein repl --help', 'lein jar --help']

tests/rules/test_man.py

@@ -23,7 +23,7 @@ def test_not_match(command):
 
 
 @pytest.mark.parametrize('command, new_command', [
-    (Command('man read'), 'man 3 read'),
+    (Command('man read'), ['man 3 read', 'man 2 read']),
     (Command('man 2 read'), 'man 3 read'),
     (Command('man 3 read'), 'man 2 read'),
     (Command('man -s2 read'), 'man -s3 read'),

tests/rules/test_no_command.py

@@ -22,8 +22,8 @@ def test_get_new_command():
     assert get_new_command(
         Command(stderr='vom: not found',
                 script='vom file.py'),
-        None) == 'vim file.py'
+        None) == ['vim file.py']
     assert get_new_command(
         Command(stderr='fucck: not found',
                 script='fucck'),
-        Command) == 'fsck'
+        Command) == ['fsck']

tests/rules/test_no_such_file.py

@@ -11,6 +11,14 @@ def test_match(command):
     assert match(command, None)
 
 
+@pytest.mark.parametrize('command', [
+    Command(script='mv foo bar/', stderr=""),
+    Command(script='mv foo bar/foo', stderr="mv: permission denied"),
+    ])
+def test_not_match(command):
+    assert not 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/'),

tests/rules/test_pacman.py

@@ -7,17 +7,13 @@ 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_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
+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
-'''
+extra/vim-python3 7.4.712-1 \t/usr/bin/vim'''
 
 
 @pytest.mark.skipif(not getattr(pacman, 'enabled_by_default', True),
@@ -46,22 +42,37 @@ def test_not_match(command):
     assert not match(command, None)
 
 
+sudo_vim_possibilities = ['{} -S extra/gvim && sudo vim',
+                          '{} -S extra/gvim-python3 && sudo vim',
+                          '{} -S extra/vim && sudo vim',
+                          '{} -S extra/vim-minimal && sudo vim',
+                          '{} -S extra/vim-python3 && sudo vim']
+sudo_vim_possibilities = [s.format(pacman_cmd) for s in sudo_vim_possibilities]
+
+vim_possibilities = ['{} -S extra/gvim && vim',
+                     '{} -S extra/gvim-python3 && vim',
+                     '{} -S extra/vim && vim',
+                     '{} -S extra/vim-minimal && vim',
+                     '{} -S extra/vim-python3 && vim']
+vim_possibilities = [s.format(pacman_cmd) for s in vim_possibilities]
+
+
 @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))])
+    (Command('vim'), vim_possibilities),
+    (Command('sudo vim'), sudo_vim_possibilities),
+    (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)])
+    (Command('vim'), vim_possibilities, PKGFILE_OUTPUT_VIM),
+    (Command('sudo vim'), sudo_vim_possibilities, 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):

tests/rules/test_sudo.py

@@ -21,5 +21,9 @@ def test_not_match():
     assert not match(Command(), None)
 
 
-def test_get_new_command():
-    assert get_new_command(Command('ls'), None) == 'sudo ls'
+@pytest.mark.parametrize('before, after', [
+    ('ls', 'sudo ls'),
+    ('echo a > b', 'sudo sh -c "echo a > b"'),
+    ('echo "a" >> b', 'sudo sh -c "echo \\"a\\" >> b"')])
+def test_get_new_command(before, after):
+    assert get_new_command(Command(before), None) == after

tests/rules/test_tmux.py

@@ -16,4 +16,4 @@ def test_match(tmux_ambiguous):
 
 def test_get_new_command(tmux_ambiguous):
     assert get_new_command(Command('tmux list', stderr=tmux_ambiguous), None)\
-        == 'tmux list-keys'
+        == ['tmux list-keys', 'tmux list-panes', 'tmux list-windows']

tests/rules/test_tsuru_login.py

@@ -0,0 +1,37 @@
+import pytest
+from thefuck.rules.tsuru_login import match, get_new_command
+from tests.utils import Command
+
+
+error_msg = (
+    "Error: you're not authenticated or your session has expired.",
+    ("You're not authenticated or your session has expired. "
+     "Please use \"login\" command for authentication."),
+)
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='tsuru app-shell', stderr=error_msg[0]),
+    Command(script='tsuru app-log -f', stderr=error_msg[1]),
+])
+def test_match(command):
+    assert match(command, {})
+
+
+@pytest.mark.parametrize('command', [
+    Command(script='tsuru'),
+    Command(script='tsuru app-restart', stderr=('Error: unauthorized')),
+    Command(script='tsuru app-log -f', stderr=('Error: unparseable data')),
+])
+def test_not_match(command):
+    assert not match(command, {})
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('tsuru app-shell', stderr=error_msg[0]),
+     'tsuru login && tsuru app-shell'),
+    (Command('tsuru app-log -f', stderr=error_msg[1]),
+     'tsuru login && tsuru app-log -f'),
+])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command, {}) == new_command

tests/rules/test_tsuru_not_command.py

@@ -0,0 +1,90 @@
+import pytest
+
+from tests.utils import Command
+from thefuck.rules.tsuru_not_command import match, get_new_command
+
+
+@pytest.mark.parametrize('command', [
+    Command('tsuru log', stderr=(
+        'tsuru: "tchururu" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tapp-log\n'
+        '\tlogin\n'
+        '\tlogout\n'
+    )),
+    Command('tsuru app-l', stderr=(
+        'tsuru: "tchururu" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tapp-list\n'
+        '\tapp-log\n'
+    )),
+    Command('tsuru user-list', stderr=(
+        'tsuru: "tchururu" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tteam-user-list\n'
+    )),
+    Command('tsuru targetlist', stderr=(
+        'tsuru: "tchururu" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\ttarget-list\n'
+    )),
+])
+def test_match(command):
+    assert match(command, None)
+
+
+@pytest.mark.parametrize('command', [
+    Command('tsuru tchururu', stderr=(
+        'tsuru: "tchururu" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+    )),
+    Command('tsuru version', stderr='tsuru version 0.16.0.'),
+    Command('tsuru help', stderr=(
+        'tsuru version 0.16.0.\n'
+        '\nUsage: tsuru command [args]\n'
+    )),
+    Command('tsuru platform-list', stderr=(
+        '- java\n'
+        '- logstashgiro\n'
+        '- newnode\n'
+        '- nodejs\n'
+        '- php\n'
+        '- python\n'
+        '- python3\n'
+        '- ruby\n'
+        '- ruby20\n'
+        '- static\n'
+    )),
+    Command('tsuru env-get', stderr='Error: App thefuck not found.'),
+])
+def test_not_match(command):
+    assert not match(command, None)
+
+
+@pytest.mark.parametrize('command, new_commands', [
+    (Command('tsuru log', stderr=(
+        'tsuru: "log" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tapp-log\n'
+        '\tlogin\n'
+        '\tlogout\n'
+    )), ['tsuru login', 'tsuru logout', 'tsuru app-log']),
+    (Command('tsuru app-l', stderr=(
+        'tsuru: "app-l" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tapp-list\n'
+        '\tapp-log\n'
+    )), ['tsuru app-log', 'tsuru app-list']),
+    (Command('tsuru user-list', stderr=(
+        'tsuru: "user-list" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\tteam-user-list\n'
+    )), ['tsuru team-user-list']),
+    (Command('tsuru targetlist', stderr=(
+        'tsuru: "targetlist" is not a tsuru command. See "tsuru help".\n'
+        '\nDid you mean?\n'
+        '\ttarget-list\n'
+    )), ['tsuru target-list']),
+])
+def test_get_new_command(command, new_commands):
+    assert get_new_command(command, None) == new_commands

tests/rules/test_whois.py

@@ -6,7 +6,7 @@ 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')])
+    Command(script='whois meta.unix.stackexchange.com')])
 def test_match(command):
     assert match(command, None)
 
@@ -15,9 +15,12 @@ def test_not_match():
     assert not match(Command(script='whois'), None)
 
 
+# `whois com` actually makes sense
 @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')])
+    (Command('whois meta.unix.stackexchange.com'), ['whois unix.stackexchange.com',
+                                                    'whois stackexchange.com',
+                                                    'whois com'])])
 def test_get_new_command(command, new_command):
     assert get_new_command(command, None) == new_command

tests/test_corrector.py

@@ -0,0 +1,97 @@
+import pytest
+from pathlib import PosixPath, Path
+from mock import Mock
+from thefuck import corrector, conf, types
+from tests.utils import Rule, Command, CorrectedCommand
+from thefuck.corrector import make_corrected_commands, get_corrected_commands, remove_duplicates
+
+
+def test_load_rule(mocker):
+    match = object()
+    get_new_command = object()
+    load_source = mocker.patch(
+        'thefuck.corrector.load_source',
+        return_value=Mock(match=match,
+                          get_new_command=get_new_command,
+                          enabled_by_default=True,
+                          priority=900,
+                          requires_output=True))
+    assert corrector.load_rule(Path('/rules/bash.py'), settings=Mock(priority={})) \
+           == Rule('bash', match, get_new_command, priority=900)
+    load_source.assert_called_once_with('bash', '/rules/bash.py')
+
+
+class TestGetRules(object):
+    @pytest.fixture(autouse=True)
+    def glob(self, mocker):
+        return mocker.patch('thefuck.corrector.Path.glob', return_value=[])
+
+    def _compare_names(self, rules, names):
+        return [r.name for r in rules] == names
+
+    @pytest.mark.parametrize('conf_rules, rules', [
+        (conf.DEFAULT_RULES, ['bash', 'lisp', 'bash', 'lisp']),
+        (types.RulesNamesList(['bash']), ['bash', 'bash'])])
+    def test_get(self, monkeypatch, glob, conf_rules, rules):
+        glob.return_value = [PosixPath('bash.py'), PosixPath('lisp.py')]
+        monkeypatch.setattr('thefuck.corrector.load_source',
+                            lambda x, _: Rule(x))
+        assert self._compare_names(
+            corrector.get_rules(Path('~'), Mock(rules=conf_rules, priority={})),
+            rules)
+
+
+class TestGetMatchedRules(object):
+    def test_no_match(self):
+        assert list(corrector.get_matched_rules(
+            Command('ls'), [Rule('', lambda *_: False)],
+            Mock(no_colors=True))) == []
+
+    def test_match(self):
+        rule = Rule('', lambda x, _: x.script == 'cd ..')
+        assert list(corrector.get_matched_rules(
+            Command('cd ..'), [rule], Mock(no_colors=True))) == [rule]
+
+    def test_when_rule_failed(self, capsys):
+        all(corrector.get_matched_rules(
+            Command('ls'), [Rule('test', Mock(side_effect=OSError('Denied')),
+                                 requires_output=False)],
+            Mock(no_colors=True, debug=False)))
+        assert capsys.readouterr()[1].split('\n')[0] == '[WARN] Rule test:'
+
+
+class TestGetCorrectedCommands(object):
+    def test_with_rule_returns_list(self):
+        rule = Rule(get_new_command=lambda x, _: [x.script + '!', x.script + '@'],
+                    priority=100)
+        assert list(make_corrected_commands(Command(script='test'), [rule], None)) \
+               == [CorrectedCommand(script='test!', priority=100),
+                   CorrectedCommand(script='test@', priority=200)]
+
+    def test_with_rule_returns_command(self):
+        rule = Rule(get_new_command=lambda x, _: x.script + '!',
+                    priority=100)
+        assert list(make_corrected_commands(Command(script='test'), [rule], None)) \
+               == [CorrectedCommand(script='test!', priority=100)]
+
+
+def test_remove_duplicates():
+    side_effect = lambda *_: None
+    assert set(remove_duplicates([CorrectedCommand('ls', priority=100),
+                                  CorrectedCommand('ls', priority=200),
+                                  CorrectedCommand('ls', side_effect, 300)])) \
+           == {CorrectedCommand('ls', priority=100),
+               CorrectedCommand('ls', side_effect, 300)}
+
+
+def test_get_corrected_commands(mocker):
+    command = Command('test', 'test', 'test')
+    rules = [Rule(match=lambda *_: False),
+             Rule(match=lambda *_: True,
+                  get_new_command=lambda x, _: x.script + '!', priority=100),
+             Rule(match=lambda *_: True,
+                  get_new_command=lambda x, _: [x.script + '@', x.script + ';'],
+                  priority=60)]
+    mocker.patch('thefuck.corrector.get_rules', return_value=rules)
+    assert [cmd.script for cmd in get_corrected_commands(command, None, Mock(debug=False))] \
+           == ['test@', 'test!', 'test;']

tests/test_main.py

@@ -1,60 +1,8 @@
 import pytest
 from subprocess import PIPE
-from pathlib import PosixPath, Path
 from mock import Mock
-from thefuck import main, conf, types
-from tests.utils import Rule, Command
-
-
-def test_load_rule(mocker):
-    match = object()
-    get_new_command = object()
-    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')
-
-
-class TestGetRules(object):
-    @pytest.fixture(autouse=True)
-    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
-
-    @pytest.mark.parametrize('conf_rules, rules', [
-        (conf.DEFAULT_RULES, ['bash', 'lisp', 'bash', 'lisp']),
-        (types.RulesNamesList(['bash']), ['bash', 'bash'])])
-    def test_get(self, monkeypatch, glob, conf_rules, rules):
-        glob.return_value = [PosixPath('bash.py'), PosixPath('lisp.py')]
-        monkeypatch.setattr('thefuck.main.load_source',
-                            lambda x, _: Rule(x))
-        assert self._compare_names(
-            main.get_rules(Path('~'), Mock(rules=conf_rules, priority={})),
-            rules)
-
-    @pytest.mark.parametrize('priority, unordered, ordered', [
-        ({},
-         [Rule('bash', priority=100), Rule('python', priority=5)],
-         ['python', 'bash']),
-        ({},
-         [Rule('lisp', priority=9999), Rule('c', priority=conf.DEFAULT_PRIORITY)],
-         ['c', 'lisp']),
-        ({'python': 9999},
-         [Rule('bash', priority=100), Rule('python', priority=5)],
-         ['bash', 'python'])])
-    def test_ordered_by_priority(self, monkeypatch, priority, unordered, ordered):
-        monkeypatch.setattr('thefuck.main._get_loaded_rules',
-                            lambda *_: unordered)
-        assert self._compare_names(
-            main.get_rules(Path('~'), Mock(priority=priority)),
-            ordered)
+from thefuck import main
+from tests.utils import Command
 
 
 class TestGetCommand(object):
@@ -78,7 +26,7 @@ class TestGetCommand(object):
 
     def test_get_command_calls(self, Popen):
         assert main.get_command(Mock(env={}),
-            ['thefuck', 'apt-get', 'search', 'vim']) \
+                                ['thefuck', 'apt-get', 'search', 'vim']) \
                == Command('apt-get search vim', 'stdout', 'stderr')
         Popen.assert_called_once_with('apt-get search vim',
                                       shell=True,
@@ -94,80 +42,3 @@ class TestGetCommand(object):
             assert main.get_command(Mock(env={}), args).script == result
         else:
             assert main.get_command(Mock(env={}), args) is None
-
-
-class TestGetMatchedRule(object):
-    def test_no_match(self):
-        assert main.get_matched_rule(
-            Command('ls'), [Rule('', lambda *_: False)],
-            Mock(no_colors=True)) is None
-
-    def test_match(self):
-        rule = Rule('', lambda x, _: x.script == 'cd ..')
-        assert main.get_matched_rule(
-            Command('cd ..'), [rule], Mock(no_colors=True)) == rule
-
-    def test_when_rule_failed(self, capsys):
-        main.get_matched_rule(
-            Command('ls'), [Rule('test', Mock(side_effect=OSError('Denied')))],
-            Mock(no_colors=True, debug=False))
-        assert capsys.readouterr()[1].split('\n')[0] == '[WARN] Rule test:'
-
-
-class TestRunRule(object):
-    @pytest.fixture(autouse=True)
-    def confirm(self, 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'),
-                      Command(), None)
-        assert capsys.readouterr() == ('new-command\n', '')
-
-    def test_run_rule_with_side_effect(self, capsys):
-        side_effect = Mock()
-        settings = Mock(debug=False)
-        command = Command()
-        main.run_rule(Rule(get_new_command=lambda *_: 'new-command',
-                           side_effect=side_effect),
-                      command, settings)
-        assert capsys.readouterr() == ('new-command\n', '')
-        side_effect.assert_called_once_with(command, settings)
-
-    def test_when_not_comfirmed(self, capsys, confirm):
-        confirm.return_value = False
-        main.run_rule(Rule(get_new_command=lambda *_: 'new-command'),
-                      Command(), None)
-        assert capsys.readouterr() == ('', '')
-
-
-class TestConfirm(object):
-    @pytest.fixture
-    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))
-        assert capsys.readouterr() == ('', 'command\n')
-
-    def test_with_side_effect_and_without_confirmation(self, capsys):
-        assert main.confirm('command', Mock(), Mock(require_confirmation=False))
-        assert capsys.readouterr() == ('', 'command*\n')
-
-    # `stdin` fixture should be applied after `capsys`
-    def test_when_confirmation_required_and_confirmed(self, capsys, stdin):
-        assert main.confirm('command', None, Mock(require_confirmation=True,
-                                                  no_colors=True))
-        assert capsys.readouterr() == ('', 'command [enter/ctrl+c]')
-
-    # `stdin` fixture should be applied after `capsys`
-    def test_when_confirmation_required_and_confirmed_with_side_effect(self, capsys, stdin):
-        assert main.confirm('command', Mock(), Mock(require_confirmation=True,
-                                                    no_colors=True))
-        assert capsys.readouterr() == ('', 'command* [enter/ctrl+c]')
-
-    def test_when_confirmation_required_and_aborted(self, capsys, stdin):
-        stdin.side_effect = KeyboardInterrupt
-        assert not main.confirm('command', None, Mock(require_confirmation=True,
-                                                      no_colors=True))
-        assert capsys.readouterr() == ('', 'command [enter/ctrl+c]Aborted\n')

tests/test_ui.py

@@ -0,0 +1,124 @@
+# -*- encoding: utf-8 -*-
+
+from mock import Mock
+import pytest
+from itertools import islice
+from thefuck import ui
+from thefuck.types import CorrectedCommand
+
+
+@pytest.fixture
+def patch_getch(monkeypatch):
+    def patch(vals):
+        def getch():
+            for val in vals:
+                if val == KeyboardInterrupt:
+                    raise val
+                else:
+                    yield val
+
+        getch_gen = getch()
+        monkeypatch.setattr('thefuck.ui.getch', lambda: next(getch_gen))
+
+    return patch
+
+
+def test_read_actions(patch_getch):
+    patch_getch([  # Enter:
+                   '\n',
+                   # Enter:
+                   '\r',
+                   # Ignored:
+                   'x', 'y',
+                   # Up:
+                   '\x1b', '[', 'A',
+                   # Down:
+                   '\x1b', '[', 'B',
+                   # Ctrl+C:
+                   KeyboardInterrupt], )
+    assert list(islice(ui.read_actions(), 5)) \
+           == [ui.SELECT, ui.SELECT, ui.PREVIOUS, ui.NEXT, ui.ABORT]
+
+
+def test_command_selector():
+    selector = ui.CommandSelector([1, 2, 3])
+    assert selector.value == 1
+    changes = []
+    selector.on_change(changes.append)
+    selector.next()
+    assert selector.value == 2
+    selector.next()
+    assert selector.value == 3
+    selector.next()
+    assert selector.value == 1
+    selector.previous()
+    assert selector.value == 3
+    assert changes == [1, 2, 3, 1, 3]
+
+
+class TestSelectCommand(object):
+    @pytest.fixture
+    def commands_with_side_effect(self):
+        return [CorrectedCommand('ls', lambda *_: None, 100),
+                CorrectedCommand('cd', lambda *_: None, 100)]
+
+    @pytest.fixture
+    def commands(self):
+        return [CorrectedCommand('ls', None, 100),
+                CorrectedCommand('cd', None, 100)]
+
+    def test_without_commands(self, capsys):
+        assert ui.select_command([], Mock(debug=False, no_color=True)) is None
+        assert capsys.readouterr() == ('', 'No fucks given\n')
+
+    def test_without_confirmation(self, capsys, commands):
+        assert ui.select_command(commands,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=False)) == commands[0]
+        assert capsys.readouterr() == ('', 'ls\n')
+
+    def test_without_confirmation_with_side_effects(self, capsys,
+                                                    commands_with_side_effect):
+        assert ui.select_command(commands_with_side_effect,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=False)) \
+               == commands_with_side_effect[0]
+        assert capsys.readouterr() == ('', 'ls (+side effect)\n')
+
+    def test_with_confirmation(self, capsys, patch_getch, commands):
+        patch_getch(['\n'])
+        assert ui.select_command(commands,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True)) == commands[0]
+        assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/↑/↓/ctrl+c]\n')
+
+    def test_with_confirmation_one_match(self, capsys, patch_getch, commands):
+        patch_getch(['\n'])
+        assert ui.select_command((commands[0],),
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True)) == commands[0]
+        assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/ctrl+c]\n')
+
+    def test_with_confirmation_abort(self, capsys, patch_getch, commands):
+        patch_getch([KeyboardInterrupt])
+        assert ui.select_command(commands,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True)) is None
+        assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/↑/↓/ctrl+c]\nAborted\n')
+
+    def test_with_confirmation_with_side_effct(self, capsys, patch_getch,
+                                               commands_with_side_effect):
+        patch_getch(['\n'])
+        assert ui.select_command(commands_with_side_effect,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True))\
+               == commands_with_side_effect[0]
+        assert capsys.readouterr() == ('', u'\x1b[1K\rls (+side effect) [enter/↑/↓/ctrl+c]\n')
+
+    def test_with_confirmation_select_second(self, capsys, patch_getch, commands):
+        patch_getch(['\x1b', '[', 'B', '\n'])
+        assert ui.select_command(commands,
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True)) == commands[1]
+        assert capsys.readouterr() == (
+            '', u'\x1b[1K\rls [enter/↑/↓/ctrl+c]\x1b[1K\rcd [enter/↑/↓/ctrl+c]\n')

tests/test_utils.py

@@ -1,7 +1,8 @@
 import pytest
 from mock import Mock
 from thefuck.utils import git_support, sudo_support, wrap_settings,\
-    memoize, get_closest, get_all_executables, replace_argument
+    memoize, get_closest, get_all_executables, replace_argument, \
+    get_all_matched_commands
 from thefuck.types import Settings
 from tests.utils import Command
 
@@ -17,6 +18,7 @@ def test_wrap_settings(override, old, new):
 @pytest.mark.parametrize('return_value, command, called, result', [
     ('ls -lah', 'sudo ls', 'ls', 'sudo ls -lah'),
     ('ls -lah', 'ls', 'ls', 'ls -lah'),
+    (['ls -lah'], 'sudo ls', 'ls', ['sudo ls -lah']),
     (True, 'sudo ls', 'ls', True),
     (True, 'ls', 'ls', True),
     (False, 'sudo ls', 'ls', False),
@@ -99,3 +101,32 @@ def test_get_all_callables():
     (('git brnch', 'brnch', 'branch'), 'git branch')])
 def test_replace_argument(args, result):
     assert replace_argument(*args) == result
+
+
+@pytest.mark.parametrize('stderr, result', [
+    (("git: 'cone' is not a git command. See 'git --help'.\n"
+      '\n'
+      'Did you mean one of these?\n'
+      '\tclone'), ['clone']),
+    (("git: 're' is not a git command. See 'git --help'.\n"
+      '\n'
+      'Did you mean one of these?\n'
+      '\trebase\n'
+      '\treset\n'
+      '\tgrep\n'
+      '\trm'), ['rebase', 'reset', 'grep', 'rm']),
+    (('tsuru: "target" is not a tsuru command. See "tsuru help".\n'
+      '\n'
+      'Did you mean one of these?\n'
+      '\tservice-add\n'
+      '\tservice-bind\n'
+      '\tservice-doc\n'
+      '\tservice-info\n'
+      '\tservice-list\n'
+      '\tservice-remove\n'
+      '\tservice-status\n'
+      '\tservice-unbind'), ['service-add', 'service-bind', 'service-doc',
+                            'service-info', 'service-list', 'service-remove',
+                            'service-status', 'service-unbind'])])
+def test_get_all_matched_commands(stderr, result):
+    assert list(get_all_matched_commands(stderr)) == result

tests/utils.py

@@ -10,7 +10,12 @@ def Rule(name='', match=lambda *_: True,
          get_new_command=lambda *_: '',
          enabled_by_default=True,
          side_effect=None,
-         priority=DEFAULT_PRIORITY):
+         priority=DEFAULT_PRIORITY,
+         requires_output=True):
     return types.Rule(name, match, get_new_command,
                       enabled_by_default, side_effect,
-                      priority)
+                      priority, requires_output)
+
+
+def CorrectedCommand(script='', side_effect=None, priority=DEFAULT_PRIORITY):
+    return types.CorrectedCommand(script, side_effect, priority)

thefuck/corrector.py

@@ -0,0 +1,87 @@
+import sys
+from imp import load_source
+from pathlib import Path
+from . import conf, types, logs
+from .utils import eager
+
+
+def load_rule(rule, settings):
+    """Imports rule module and returns it."""
+    name = rule.name[:-3]
+    rule_module = load_source(name, str(rule))
+    priority = getattr(rule_module, 'priority', conf.DEFAULT_PRIORITY)
+    return types.Rule(name, rule_module.match,
+                      rule_module.get_new_command,
+                      getattr(rule_module, 'enabled_by_default', True),
+                      getattr(rule_module, 'side_effect', None),
+                      settings.priority.get(name, priority),
+                      getattr(rule_module, 'requires_output', True))
+
+
+def get_loaded_rules(rules, settings):
+    """Yields all available rules."""
+    for rule in rules:
+        if rule.name != '__init__.py':
+            loaded_rule = load_rule(rule, settings)
+            if loaded_rule in settings.rules:
+                yield loaded_rule
+
+
+@eager
+def get_rules(user_dir, settings):
+    """Returns all enabled rules."""
+    bundled = Path(__file__).parent \
+        .joinpath('rules') \
+        .glob('*.py')
+    user = user_dir.joinpath('rules').glob('*.py')
+    return get_loaded_rules(sorted(bundled) + sorted(user), settings)
+
+
+@eager
+def get_matched_rules(command, rules, settings):
+    """Returns first matched rule for command."""
+    script_only = command.stdout is None and command.stderr is None
+
+    for rule in rules:
+        if script_only and rule.requires_output:
+            continue
+
+        try:
+            with logs.debug_time(u'Trying rule: {};'.format(rule.name),
+                                 settings):
+                if rule.match(command, settings):
+                    yield rule
+        except Exception:
+            logs.rule_failed(rule, sys.exc_info(), settings)
+
+
+def make_corrected_commands(command, rules, settings):
+    for rule in rules:
+        new_commands = rule.get_new_command(command, settings)
+        if not isinstance(new_commands, list):
+            new_commands = [new_commands]
+        for n, new_command in enumerate(new_commands):
+            yield types.CorrectedCommand(script=new_command,
+                                         side_effect=rule.side_effect,
+                                         priority=(n + 1) * rule.priority)
+
+
+def remove_duplicates(corrected_commands):
+    commands = {(command.script, command.side_effect): command
+                for command in sorted(corrected_commands,
+                                      key=lambda command: -command.priority)}
+    return commands.values()
+
+
+def get_corrected_commands(command, user_dir, settings):
+    rules = get_rules(user_dir, settings)
+    logs.debug(
+        u'Loaded rules: {}'.format(', '.join(rule.name for rule in rules)),
+        settings)
+    matched = get_matched_rules(command, rules, settings)
+    logs.debug(
+        u'Matched rules: {}'.format(', '.join(rule.name for rule in matched)),
+        settings)
+    corrected_commands = make_corrected_commands(command, matched, settings)
+    return sorted(remove_duplicates(corrected_commands),
+                  key=lambda corrected_command: corrected_command.priority)

thefuck/logs.py

@@ -1,3 +1,5 @@
+# -*- encoding: utf-8 -*-
+
 from contextlib import contextmanager
 from datetime import datetime
 import sys
@@ -28,27 +30,6 @@ def rule_failed(rule, exc_info, settings):
     exception('Rule {}'.format(rule.name), exc_info, settings)
 
 
-def show_command(new_command, side_effect, settings):
-    sys.stderr.write('{bold}{command}{side_effect}{reset}\n'.format(
-        command=new_command,
-        side_effect='*' if side_effect else '',
-        bold=color(colorama.Style.BRIGHT, settings),
-        reset=color(colorama.Style.RESET_ALL, settings)))
-
-
-def confirm_command(new_command, side_effect, settings):
-    sys.stderr.write(
-        '{bold}{command}{side_effect}{reset} '
-        '[{green}enter{reset}/{red}ctrl+c{reset}]'.format(
-            command=new_command,
-            side_effect='*' if side_effect else '',
-            bold=color(colorama.Style.BRIGHT, settings),
-            green=color(colorama.Fore.GREEN, settings),
-            red=color(colorama.Fore.RED, settings),
-            reset=color(colorama.Style.RESET_ALL, settings)))
-    sys.stderr.flush()
-
-
 def failed(msg, settings):
     sys.stderr.write('{red}{msg}{reset}\n'.format(
         msg=msg,
@@ -56,6 +37,33 @@ def failed(msg, settings):
         reset=color(colorama.Style.RESET_ALL, settings)))
 
 
+def show_corrected_command(corrected_command, settings):
+    sys.stderr.write('{bold}{script}{reset}{side_effect}\n'.format(
+        script=corrected_command.script,
+        side_effect=' (+side effect)' if corrected_command.side_effect else '',
+        bold=color(colorama.Style.BRIGHT, settings),
+        reset=color(colorama.Style.RESET_ALL, settings)))
+
+
+def confirm_text(corrected_command, multiple_cmds, settings):
+    if multiple_cmds:
+        arrows = '{blue}↑{reset}/{blue}↓{reset}/'
+    else:
+        arrows = ''
+
+    sys.stderr.write(
+        ('{clear}{bold}{script}{reset}{side_effect} '
+         '[{green}enter{reset}/' + arrows + '{red}ctrl+c{reset}]').format(
+            script=corrected_command.script,
+            side_effect=' (+side effect)' if corrected_command.side_effect else '',
+            clear='\033[1K\r',
+            bold=color(colorama.Style.BRIGHT, settings),
+            green=color(colorama.Fore.GREEN, settings),
+            red=color(colorama.Fore.RED, settings),
+            reset=color(colorama.Style.RESET_ALL, settings),
+            blue=color(colorama.Fore.BLUE, settings)))
+
+
 def debug(msg, settings):
     if settings.debug:
         sys.stderr.write(u'{blue}{bold}DEBUG:{reset} {msg}\n'.format(
@@ -71,4 +79,4 @@ def debug_time(msg, settings):
     try:
         yield
     finally:
-        debug('{} took: {}'.format(msg, datetime.now() - started), settings)
+        debug(u'{} took: {}'.format(msg, datetime.now() - started), settings)

thefuck/main.py

@@ -1,7 +1,9 @@
-from imp import load_source
+from argparse import ArgumentParser
+from warnings import warn
 from pathlib import Path
 from os.path import expanduser
 from pprint import pformat
+import pkg_resources
 from subprocess import Popen, PIPE
 import os
 import sys
@@ -9,6 +11,8 @@ from psutil import Process, TimeoutExpired
 import colorama
 import six
 from . import logs, conf, types, shells
+from .corrector import get_corrected_commands
+from .ui import select_command
 
 
 def setup_user_dir():
@@ -21,36 +25,6 @@ def setup_user_dir():
     return user_dir
 
 
-def load_rule(rule):
-    """Imports rule module and returns it."""
-    rule_module = load_source(rule.name[:-3], str(rule))
-    return types.Rule(rule.name[:-3], rule_module.match,
-                      rule_module.get_new_command,
-                      getattr(rule_module, 'enabled_by_default', True),
-                      getattr(rule_module, 'side_effect', None),
-                      getattr(rule_module, 'priority', conf.DEFAULT_PRIORITY))
-
-
-def _get_loaded_rules(rules, settings):
-    """Yields all available rules."""
-    for rule in rules:
-        if rule.name != '__init__.py':
-            loaded_rule = load_rule(rule)
-            if loaded_rule in settings.rules:
-                yield loaded_rule
-
-
-def get_rules(user_dir, settings):
-    """Returns all enabled rules."""
-    bundled = Path(__file__).parent \
-        .joinpath('rules') \
-        .glob('*.py')
-    user = user_dir.joinpath('rules').glob('*.py')
-    rules = _get_loaded_rules(sorted(bundled) + sorted(user), settings)
-    return sorted(rules, key=lambda rule: settings.priority.get(
-        rule.name, rule.priority))
-
-
 def wait_output(settings, popen):
     """Returns `True` if we can get output of the command in the
     `wait_command` time.
@@ -87,50 +61,29 @@ def get_command(settings, args):
                          settings):
         result = Popen(script, shell=True, stdout=PIPE, stderr=PIPE, env=env)
         if wait_output(settings, result):
-            return types.Command(script, result.stdout.read().decode('utf-8'),
-                                 result.stderr.read().decode('utf-8'))
+            stdout = result.stdout.read().decode('utf-8')
+            stderr = result.stderr.read().decode('utf-8')
+
+            logs.debug(u'Received stdout: {}'.format(stdout), settings)
+            logs.debug(u'Received stderr: {}'.format(stderr), settings)
+
+            return types.Command(script, stdout, stderr)
+        else:
+            logs.debug(u'Execution timed out!', settings)
+            return types.Command(script, None, None)
 
 
-def get_matched_rule(command, rules, settings):
-    """Returns first matched rule for command."""
-    for rule in rules:
-        try:
-            with logs.debug_time(u'Trying rule: {};'.format(rule.name),
-                                 settings):
-                if rule.match(command, settings):
-                    return rule
-        except Exception:
-            logs.rule_failed(rule, sys.exc_info(), settings)
-
-
-def confirm(new_command, side_effect, settings):
-    """Returns `True` when running of new command confirmed."""
-    if not settings.require_confirmation:
-        logs.show_command(new_command, side_effect, settings)
-        return True
-
-    logs.confirm_command(new_command, side_effect, settings)
-    try:
-        sys.stdin.read(1)
-        return True
-    except KeyboardInterrupt:
-        logs.failed('Aborted', settings)
-        return False
-
-
-def run_rule(rule, command, settings):
+def run_command(command, settings):
     """Runs command from rule for passed command."""
-    new_command = shells.to_shell(rule.get_new_command(command, settings))
-    if confirm(new_command, rule.side_effect, settings):
-        if rule.side_effect:
-            rule.side_effect(command, settings)
-        shells.put_to_history(new_command)
-        print(new_command)
+    if command.side_effect:
+        command.side_effect(command, settings)
+    shells.put_to_history(command.script)
+    print(command.script)
 
 
 # Entry points:
 
-def main():
+def fix_command():
     colorama.init()
     user_dir = setup_user_dir()
     settings = conf.get_settings(user_dir)
@@ -138,26 +91,41 @@ def main():
         logs.debug(u'Run with settings: {}'.format(pformat(settings)), settings)
 
         command = get_command(settings, sys.argv)
-        if command:
-            logs.debug(u'Received stdout: {}'.format(command.stdout), settings)
-            logs.debug(u'Received stderr: {}'.format(command.stderr), settings)
-
-            rules = get_rules(user_dir, settings)
-            logs.debug(
-                u'Loaded rules: {}'.format(', '.join(rule.name for rule in rules)),
-                settings)
-
-            matched_rule = get_matched_rule(command, rules, settings)
-            if matched_rule:
-                logs.debug(u'Matched rule: {}'.format(matched_rule.name), settings)
-                run_rule(matched_rule, command, settings)
-                return
-
-        logs.failed('No fuck given', settings)
+        corrected_commands = get_corrected_commands(command, user_dir, settings)
+        selected_command = select_command(corrected_commands, settings)
+        if selected_command:
+            run_command(selected_command, settings)
 
 
-def print_alias():
+def print_alias(entry_point=True):
+    if entry_point:
+        warn('`thefuck-alias` is deprecated, us `thefuck --alias` instead.')
+        position = 1
+    else:
+        position = 2
+
     alias = shells.thefuck_alias()
-    if len(sys.argv) > 1:
-        alias = sys.argv[1]
+    if len(sys.argv) > position:
+        alias = sys.argv[position]
     print(shells.app_alias(alias))
+
+
+def main():
+    parser = ArgumentParser(prog='The Fuck')
+    parser.add_argument('-v', '--version',
+                        action='version',
+                        version='%(prog)s {}'.format(
+                            pkg_resources.require('thefuck')[0].version))
+    parser.add_argument('-a', '--alias',
+                        action='store_true',
+                        help='[custom-alias-name] prints alias for current shell')
+    parser.add_argument('command',
+                        nargs='*',
+                        help='command that should be fixed')
+    known_args = parser.parse_args(sys.argv[1:2])
+    if known_args.alias:
+        print_alias(False)
+    elif known_args.command:
+        fix_command()
+    else:
+        parser.print_usage()

thefuck/rules/brew_unknown_command.py

@@ -1,7 +1,7 @@
 import os
 import re
 import subprocess
-from thefuck.utils import get_closest, replace_argument
+from thefuck.utils import get_closest, replace_command
 
 BREW_CMD_PATH = '/Library/Homebrew/cmd'
 TAP_PATH = '/Library/Taps'
@@ -77,10 +77,6 @@ if brew_path_prefix:
         pass
 
 
-def _get_similar_command(command):
-    return get_closest(command, brew_commands)
-
-
 def match(command, settings):
     is_proper_command = ('brew' in command.script and
                          'Unknown command' in command.stderr)
@@ -89,7 +85,7 @@ def match(command, settings):
     if is_proper_command:
         broken_cmd = re.findall(r'Error: Unknown command: ([a-z]+)',
                                 command.stderr)[0]
-        has_possible_commands = bool(_get_similar_command(broken_cmd))
+        has_possible_commands = bool(get_closest(broken_cmd, brew_commands))
 
     return has_possible_commands
 
@@ -97,6 +93,4 @@ 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_command(broken_cmd)
-
-    return replace_argument(command.script, broken_cmd, new_cmd)
+    return replace_command(command, broken_cmd, brew_commands)

thefuck/rules/dirty_untar.py

@@ -0,0 +1,41 @@
+from thefuck import shells
+import os
+import tarfile
+
+
+def _is_tar_extract(cmd):
+    if '--extract' in cmd:
+        return True
+
+    cmd = cmd.split()
+
+    return len(cmd) > 1 and 'x' in cmd[1]
+
+
+def _tar_file(cmd):
+    tar_extentions = ('.tar', '.tar.Z', '.tar.bz2', '.tar.gz', '.tar.lz',
+                      '.tar.lzma', '.tar.xz', '.taz', '.tb2', '.tbz', '.tbz2',
+                      '.tgz', '.tlz', '.txz', '.tz')
+
+    for c in cmd.split():
+        for ext in tar_extentions:
+            if c.endswith(ext):
+                return (c, c[0:len(c)-len(ext)])
+
+
+def match(command, settings):
+    return (command.script.startswith('tar')
+            and '-C' not in command.script
+            and _is_tar_extract(command.script)
+            and _tar_file(command.script) is not None)
+
+
+def get_new_command(command, settings):
+    return shells.and_('mkdir -p {dir}', '{cmd} -C {dir}') \
+                 .format(dir=_tar_file(command.script)[1], cmd=command.script)
+
+
+def side_effect(command, settings):
+    with tarfile.TarFile(_tar_file(command.script)[0]) as archive:
+        for file in archive.getnames():
+            os.remove(file)

thefuck/rules/dirty_unzip.py

@@ -0,0 +1,39 @@
+import os
+import zipfile
+
+
+def _is_bad_zip(file):
+    with zipfile.ZipFile(file, 'r') as archive:
+        return len(archive.namelist()) > 1
+
+
+def _zip_file(command):
+    # unzip works that way:
+    # unzip [-flags] file[.zip] [file(s) ...] [-x file(s) ...]
+    #                ^          ^ files to unzip from the archive
+    #                archive to unzip
+    for c in command.script.split()[1:]:
+        if not c.startswith('-'):
+            if c.endswith('.zip'):
+                return c
+            else:
+                return '{}.zip'.format(c)
+
+
+def match(command, settings):
+    return (command.script.startswith('unzip')
+            and '-d' not in command.script
+            and _is_bad_zip(_zip_file(command)))
+
+
+def get_new_command(command, settings):
+    return '{} -d {}'.format(command.script, _zip_file(command)[:-4])
+
+
+def side_effect(command, settings):
+    with zipfile.ZipFile(_zip_file(command), 'r') as archive:
+        for file in archive.namelist():
+            os.remove(file)
+
+
+requires_output = False

thefuck/rules/docker_not_command.py

@@ -1,7 +1,7 @@
 from itertools import dropwhile, takewhile, islice
 import re
 import subprocess
-from thefuck.utils import get_closest, sudo_support, replace_argument
+from thefuck.utils import get_closest, sudo_support, replace_argument, replace_command
 
 
 @sudo_support
@@ -23,5 +23,4 @@ def get_docker_commands():
 def get_new_command(command, settings):
     wrong_command = re.findall(
         r"docker: '(\w+)' is not a docker command.", command.stderr)[0]
-    fixed_command = get_closest(wrong_command, get_docker_commands())
-    return replace_argument(command.script, wrong_command, fixed_command)
+    return replace_command(command, wrong_command, get_docker_commands())

thefuck/rules/fix_file.py

@@ -0,0 +1,67 @@
+import re
+import os
+from thefuck.utils import memoize
+from thefuck import shells
+
+
+patterns = (
+        # js, node:
+        '^    at {file}:{line}:{col}',
+        # cargo:
+        '^   {file}:{line}:{col}',
+        # python, thefuck:
+        '^  File "{file}", line {line}',
+        # awk:
+        '^awk: {file}:{line}:',
+        # git
+        '^fatal: bad config file line {line} in {file}',
+        # llc:
+        '^llc: {file}:{line}:{col}:',
+        # lua:
+        '^lua: {file}:{line}:',
+        # fish:
+        '^{file} \(line {line}\):',
+        # bash, sh, ssh:
+        '^{file}: line {line}: ',
+        # ghc, make, ruby, zsh:
+        '^{file}:{line}:',
+        # cargo, clang, gcc, go, rustc:
+        '^{file}:{line}:{col}',
+        # perl:
+        'at {file} line {line}',
+    )
+
+
+# for the sake of readability do not use named groups above
+def _make_pattern(pattern):
+    pattern = pattern.replace('{file}', '(?P<file>[^:\n]+)')
+    pattern = pattern.replace('{line}', '(?P<line>[0-9]+)')
+    pattern = pattern.replace('{col}',  '(?P<col>[0-9]+)')
+    return re.compile(pattern, re.MULTILINE)
+patterns = [_make_pattern(p) for p in patterns]
+
+
+@memoize
+def _search(stderr):
+    for pattern in patterns:
+        m = re.search(pattern, stderr)
+        if m:
+            return m
+
+
+def match(command, settings):
+    if 'EDITOR' not in os.environ:
+        return False
+
+    m = _search(command.stderr)
+
+    return m and os.path.isfile(m.group('file'))
+
+
+def get_new_command(command, settings):
+    m = _search(command.stderr)
+
+    # Note: there does not seem to be a standard for columns, so they are just
+    # ignored for now
+    return shells.and_('{} {} +{}'.format(os.environ['EDITOR'], m.group('file'), m.group('line')),
+                       command.script)

thefuck/rules/git_not_command.py

@@ -1,5 +1,6 @@
 import re
-from thefuck.utils import get_closest, git_support, replace_argument
+from thefuck.utils import (git_support,
+                           get_all_matched_commands, replace_command)
 
 
 @git_support
@@ -8,20 +9,9 @@ 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()
-
-
 @git_support
 def get_new_command(command, settings):
     broken_cmd = re.findall(r"git: '([^']*)' is not a git command",
                             command.stderr)[0]
-    new_cmd = get_closest(broken_cmd,
-                          _get_all_git_matched_commands(command.stderr))
-    return replace_argument(command.script, broken_cmd, new_cmd)
-
+    matched = get_all_matched_commands(command.stderr)
+    return replace_command(command, broken_cmd, matched)

thefuck/rules/git_push_pull.py

@@ -1,5 +1,4 @@
-from thefuck import utils
-from thefuck.shells import and_
+from thefuck import utils, shells
 from thefuck.utils import replace_argument
 
 
@@ -13,5 +12,5 @@ def match(command, settings):
 
 @utils.git_support
 def get_new_command(command, settings):
-    return and_(replace_argument(command.script, 'push', 'pull'),
-                command.script)
+    return shells.and_(replace_argument(command.script, 'push', 'pull'),
+                       command.script)

thefuck/rules/gulp_not_task.py

@@ -1,6 +1,6 @@
 import re
 import subprocess
-from thefuck.utils import get_closest, replace_argument
+from thefuck.utils import replace_command
 
 
 def match(command, script):
@@ -18,5 +18,4 @@ def get_gulp_tasks():
 def get_new_command(command, script):
     wrong_task = re.findall(r"Task '(\w+)' is not in your gulpfile",
                             command.stdout)[0]
-    fixed_task = get_closest(wrong_task, get_gulp_tasks())
-    return replace_argument(command.script, wrong_task, fixed_task)
+    return replace_command(command, wrong_task, get_gulp_tasks())

thefuck/rules/heroku_not_command.py

@@ -1,5 +1,5 @@
 import re
-from thefuck.utils import get_closest, replace_argument
+from thefuck.utils import replace_command
 
 
 def match(command, settings):
@@ -16,5 +16,4 @@ def _get_suggests(stderr):
 
 def get_new_command(command, settings):
     wrong = re.findall(r'`(\w+)` is not a heroku command', command.stderr)[0]
-    correct = get_closest(wrong, _get_suggests(command.stderr))
-    return replace_argument(command.script, wrong, correct)
+    return replace_command(command, wrong, _get_suggests(command.stderr))

thefuck/rules/lein_not_task.py

@@ -1,5 +1,6 @@
 import re
-from thefuck.utils import sudo_support, replace_argument
+from thefuck.utils import sudo_support,\
+    replace_command, get_all_matched_commands
 
 
 @sudo_support
@@ -13,6 +14,5 @@ def match(command, settings):
 def get_new_command(command, settings):
     broken_cmd = re.findall(r"'([^']*)' is not a task",
                             command.stderr)[0]
-    new_cmd = re.findall(r'Did you mean this\?\n\s*([^\n]*)',
-                         command.stderr)[0]
-    return replace_argument(command.script, broken_cmd, new_cmd)
+    new_cmds = get_all_matched_commands(command.stderr, 'Did you mean this?')
+    return replace_command(command, broken_cmd, new_cmds)

thefuck/rules/man.py

@@ -8,6 +8,10 @@ def get_new_command(command, settings):
     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)
+    split_cmd2 = command.script.split()
+    split_cmd3 = split_cmd2[:]
+
+    split_cmd2.insert(1, ' 2 ')
+    split_cmd3.insert(1, ' 3 ')
+
+    return ["".join(split_cmd3), "".join(split_cmd2)]

thefuck/rules/no_command.py

@@ -1,5 +1,5 @@
 from difflib import get_close_matches
-from thefuck.utils import sudo_support, get_all_executables, get_closest
+from thefuck.utils import sudo_support, get_all_executables
 
 
 @sudo_support
@@ -12,8 +12,9 @@ def match(command, settings):
 @sudo_support
 def get_new_command(command, settings):
     old_command = command.script.split(' ')[0]
-    new_command = get_closest(old_command, get_all_executables())
-    return ' '.join([new_command] + command.script.split(' ')[1:])
+    new_cmds = get_close_matches(old_command, get_all_executables(), cutoff=0.1)
+    return [' '.join([new_command] + command.script.split(' ')[1:])
+            for new_command in new_cmds]
 
 
 priority = 3000

thefuck/rules/pacman.py

@@ -14,10 +14,12 @@ def __get_pkgfile(command):
 
         command = command.split(" ")[0]
 
-        return subprocess.check_output(
+        packages = subprocess.check_output(
             ['pkgfile', '-b', '-v', command],
             universal_newlines=True, stderr=DEVNULL
-        ).split()
+        ).splitlines()
+
+        return [package.split()[0] for package in packages]
     except subprocess.CalledProcessError:
         return None
 
@@ -27,10 +29,11 @@ def match(command, settings):
 
 
 def get_new_command(command, settings):
-    package = __get_pkgfile(command)[0]
+    packages = __get_pkgfile(command)
 
     formatme = shells.and_('{} -S {}', '{}')
-    return formatme.format(pacman, package, command.script)
+    return [formatme.format(pacman, package, command.script)
+            for package in packages]
 
 
 if not which('pkgfile'):

thefuck/rules/sudo.py

@@ -9,6 +9,7 @@ patterns = ['permission denied',
             'This operation requires root.',
             'requested operation requires superuser privilege',
             'must be run as root',
+            'must run as root',
             'must be superuser',
             'must be root',
             'need to be root',
@@ -27,4 +28,7 @@ def match(command, settings):
 
 
 def get_new_command(command, settings):
-    return u'sudo {}'.format(command.script)
+    if '>' in command.script:
+        return u'sudo sh -c "{}"'.format(command.script.replace('"', '\\"'))
+    else:
+        return u'sudo {}'.format(command.script)

thefuck/rules/tmux.py

@@ -1,4 +1,4 @@
-from thefuck.utils import get_closest, replace_argument
+from thefuck.utils import get_closest, replace_command
 import re
 
 
@@ -15,6 +15,4 @@ def get_new_command(command, settings):
     old_cmd = cmd.group(1)
     suggestions = [cmd.strip() for cmd in cmd.group(2).split(',')]
 
-    new_cmd = get_closest(old_cmd, suggestions)
-
-    return replace_argument(command.script, old_cmd, new_cmd)
+    return replace_command(command, old_cmd, suggestions)

thefuck/rules/tsuru_login.py

@@ -0,0 +1,11 @@
+from thefuck import shells
+
+
+def match(command, settings):
+    return (command.script.startswith('tsuru')
+            and 'not authenticated' in command.stderr
+            and 'session has expired' in command.stderr)
+
+
+def get_new_command(command, settings):
+    return shells.and_('tsuru login', command.script)

thefuck/rules/tsuru_not_command.py

@@ -0,0 +1,17 @@
+import re
+from thefuck.utils import (get_closest, replace_argument,
+                           get_all_matched_commands, replace_command)
+
+
+def match(command, settings):
+    return (command.script.startswith('tsuru ')
+            and ' is not a tsuru command. See "tsuru help".' in command.stderr
+            and '\nDid you mean?\n\t' in command.stderr)
+
+
+def get_new_command(command, settings):
+    broken_cmd = re.findall(r'tsuru: "([^"]*)" is not a tsuru command',
+                            command.stderr)[0]
+    return replace_command(command, broken_cmd,
+                           get_all_matched_commands(command.stderr))
+

thefuck/rules/whois.py

@@ -19,7 +19,7 @@ def match(command, settings):
         - 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
+    return 'whois ' in command.script.strip()
 
 
 def get_new_command(command, settings):
@@ -28,4 +28,5 @@ def get_new_command(command, settings):
     if '/' in command.script:
         return 'whois ' + urlparse(url).netloc
     elif '.' in command.script:
-        return 'whois ' + '.'.join(urlparse(url).path.split('.')[1:])
+        path = urlparse(url).path.split('.')
+        return ['whois ' + '.'.join(path[n:]) for n in range(1, len(path))]

thefuck/shells.py

@@ -224,6 +224,7 @@ shells = defaultdict(lambda: Generic(), {
     'tcsh': Tcsh()})
 
 
+@memoize
 def _get_shell():
     try:
         shell = Process(os.getpid()).parent().name()

thefuck/types.py

@@ -3,9 +3,11 @@ from collections import namedtuple
 
 Command = namedtuple('Command', ('script', 'stdout', 'stderr'))
 
+CorrectedCommand = namedtuple('CorrectedCommand', ('script', 'side_effect', 'priority'))
+
 Rule = namedtuple('Rule', ('name', 'match', 'get_new_command',
                            'enabled_by_default', 'side_effect',
-                           'priority'))
+                           'priority', 'requires_output'))
 
 
 class RulesNamesList(list):

thefuck/ui.py

@@ -0,0 +1,104 @@
+# -*- encoding: utf-8 -*-
+
+import sys
+from . import logs
+
+try:
+    from msvcrt import getch
+except ImportError:
+    def getch():
+        import tty
+        import termios
+
+        fd = sys.stdin.fileno()
+        old = termios.tcgetattr(fd)
+        try:
+            tty.setraw(fd)
+            ch = sys.stdin.read(1)
+            if ch == '\x03':  # For compatibility with msvcrt.getch
+                raise KeyboardInterrupt
+            return ch
+        finally:
+            termios.tcsetattr(fd, termios.TCSADRAIN, old)
+
+SELECT = 0
+ABORT = 1
+PREVIOUS = 2
+NEXT = 3
+
+
+def read_actions():
+    """Yields actions for pressed keys."""
+    buffer = []
+    while True:
+        try:
+            ch = getch()
+        except KeyboardInterrupt:  # Ctrl+C
+            yield ABORT
+
+        if ch in ('\n', '\r'):  # Enter
+            yield SELECT
+
+        buffer.append(ch)
+        buffer = buffer[-3:]
+
+        if buffer == ['\x1b', '[', 'A']:  # ↑
+            yield PREVIOUS
+        elif buffer == ['\x1b', '[', 'B']:  # ↓
+            yield NEXT
+
+
+class CommandSelector(object):
+    def __init__(self, commands):
+        self._commands = commands
+        self._index = 0
+        self._on_change = lambda x: x
+
+    def next(self):
+        self._index = (self._index + 1) % len(self._commands)
+        self._on_change(self.value)
+
+    def previous(self):
+        self._index = (self._index - 1) % len(self._commands)
+        self._on_change(self.value)
+
+    @property
+    def value(self):
+        return self._commands[self._index]
+
+    def on_change(self, fn):
+        self._on_change = fn
+        fn(self.value)
+
+
+def select_command(corrected_commands, settings):
+    """Returns:
+
+     - the first command when confirmation disabled;
+     - None when ctrl+c pressed;
+     - selected command.
+
+    """
+    if not corrected_commands:
+        logs.failed('No fucks given', settings)
+        return
+
+    selector = CommandSelector(corrected_commands)
+    if not settings.require_confirmation:
+        logs.show_corrected_command(selector.value, settings)
+        return selector.value
+
+    multiple_cmds = len(corrected_commands) > 1
+
+    selector.on_change(lambda val: logs.confirm_text(val, multiple_cmds, settings))
+    for action in read_actions():
+        if action == SELECT:
+            sys.stderr.write('\n')
+            return selector.value
+        elif action == ABORT:
+            logs.failed('\nAborted', settings)
+            return
+        elif action == PREVIOUS:
+            selector.previous()
+        elif action == NEXT:
+            selector.next()

thefuck/utils.py

@@ -69,6 +69,8 @@ def sudo_support(fn):
 
         if result and isinstance(result, six.string_types):
             return u'sudo {}'.format(result)
+        elif isinstance(result, list):
+            return [u'sudo {}'.format(x) for x in result]
         else:
             return result
     return wrapper
@@ -159,3 +161,27 @@ def replace_argument(script, from_, to):
     else:
         return script.replace(
             u' {} '.format(from_), u' {} '.format(to), 1)
+
+
+def eager(fn):
+    @wraps(fn)
+    def wrapper(*args, **kwargs):
+        return list(fn(*args, **kwargs))
+    return wrapper
+
+
+@eager
+def get_all_matched_commands(stderr, separator='Did you mean'):
+    should_yield = False
+    for line in stderr.split('\n'):
+        if separator in line:
+            should_yield = True
+        elif should_yield and line:
+            yield line.strip()
+
+
+def replace_command(command, broken, matched):
+    """Helper for *_no_command rules."""
+    new_cmds = get_close_matches(broken, matched, cutoff=0.1)
+    return [replace_argument(command.script, broken, new_cmd.strip())
+            for new_cmd in new_cmds]