Bump to 3.28

*  #855 - Support Ukrainian layout; Fix matching of similar layouts

* Fix splitting of command line

.github/ISSUE_TEMPLATE.md

@@ -6,17 +6,14 @@ update The Fuck and see if the bug is still there. -->
 if not, just open an issue on [GitHub](https://github.com/nvbn/thefuck) with
 the following basic information: -->
 
-The output of `thefuck --version` (something like `The Fuck 3.1 using Python 3.5.0`):
+The output of `thefuck --version` (something like `The Fuck 3.1 using Python
-
+3.5.0 and Bash 4.4.12(1)-release`):
-    FILL THIS IN
-
-Your shell and its version (`bash`, `zsh`, *Windows PowerShell*, etc.):
 
     FILL THIS IN
 
 Your system (Debian 7, ArchLinux, Windows, etc.):
 
-<!-- FILL THIS IN -->
+    FILL THIS IN
 
 How to reproduce the bug:
 
@@ -32,6 +29,6 @@ If the bug only appears with a specific application, the output of that applicat
 
 Anything else you think is relevant:
 
-<!-- FILL THIS IN -->
+    FILL THIS IN
 
 <!-- It's only with enough information that we can do something to fix the problem. -->

.travis.yml

@@ -2,6 +2,21 @@ language: python
 sudo: false
 matrix:
   include:
+    - os: linux
+      dist: xenial
+      python: "nightly"
+    - os: linux
+      dist: xenial
+      python: "3.8-dev"
+    - os: linux
+      dist: xenial
+      python: "3.7-dev"
+    - os: linux
+      dist: xenial
+      python: "3.7"
+    - os: linux
+      dist: trusty
+      python: "3.6-dev"
     - os: linux
       dist: trusty
       python: "3.6"
@@ -16,6 +31,11 @@ matrix:
       python: "2.7"
     - os: osx
       language: generic
+  allow_failures:
+    - python: nightly
+    - python: 3.8-dev
+    - python: 3.7-dev
+    - python: 3.6-dev
 services:
   - docker
 addons:
@@ -24,7 +44,8 @@ addons:
       - python-commandnotfound
       - python3-commandnotfound
 before_install:
-  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then brew update ; fi
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then rm -rf /usr/local/include/c++; fi
+  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then brew update; fi
   - if [[ $TRAVIS_OS_NAME == "osx" ]]; then brew upgrade python; fi
   - if [[ $TRAVIS_OS_NAME == "osx" ]]; then pip3 install virtualenv; fi
   - if [[ $TRAVIS_OS_NAME == "osx" ]]; then virtualenv venv -p python3; fi
@@ -39,7 +60,7 @@ script:
   - flake8
   - export COVERAGE_PYTHON_VERSION=python-${TRAVIS_PYTHON_VERSION:0:1}
   - export RUN_TESTS="coverage run --source=thefuck,tests -m py.test -v --capture=sys tests"
-  - if [[ $TRAVIS_PYTHON_VERSION == 3.6 && $TRAVIS_OS_NAME != "osx" ]]; then $RUN_TESTS --enable-functional; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == 3.7 && $TRAVIS_OS_NAME != "osx" ]]; then $RUN_TESTS --enable-functional; fi
-  - if [[ $TRAVIS_PYTHON_VERSION != 3.6 || $TRAVIS_OS_NAME == "osx" ]]; then $RUN_TESTS; fi
+  - if [[ $TRAVIS_PYTHON_VERSION != 3.7 || $TRAVIS_OS_NAME == "osx" ]]; then $RUN_TESTS; fi
 after_success:
-  - if [[ $TRAVIS_PYTHON_VERSION == 3.6 && $TRAVIS_OS_NAME != "osx" ]]; then coveralls; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == 3.7 && $TRAVIS_OS_NAME != "osx" ]]; then coveralls; fi

README.md

@@ -105,10 +105,10 @@ On OS X, you can install *The Fuck* via [Homebrew][homebrew]:
 brew install thefuck
 ```
 
-On Ubuntu, install *The Fuck* with the following commands:
+On Ubuntu / Mint, install *The Fuck* with the following commands:
 ```bash
 sudo apt update
-sudo apt install python3-dev python3-pip
+sudo apt install python3-dev python3-pip python3-setuptools
 sudo pip3 install thefuck
 ```
 
@@ -118,6 +118,11 @@ sudo portsnap fetch update
 cd /usr/ports/misc/thefuck && sudo make install clean
 ```
 
+On ChromeOS, install *The Fuck* using [chromebrew](https://github.com/skycocker/chromebrew) with the following command:
+```bash
+crew install thefuck
+```
+
 On other systems, install *The Fuck*  by using `pip`:
 
 ```bash
@@ -141,10 +146,10 @@ eval $(thefuck --alias FUCK)
 Changes are only available in a new shell session. To make changes immediately
 available, run `source ~/.bashrc` (or your shell config file like `.zshrc`).
 
-To run fixed commands without confirmation, use the `-y` option:
+To run fixed commands without confirmation, use the `--yeah` option (or just `-y` for short):
 
 ```bash
-fuck -y
+fuck --yeah
 ```
 
 To fix commands recursively until succeeding, use the `-r` option:
@@ -170,8 +175,10 @@ following rules are enabled by default:
 * `adb_unknown_command` – fixes misspelled commands like `adb logcta`;
 * `ag_literal` – adds `-Q` to `ag` when suggested;
 * `aws_cli` – fixes misspelled commands like `aws dynamdb scan`;
+* `az_cli` – fixes misspelled commands like `az providers`;
 * `cargo` – runs `cargo build` instead of `cargo`;
 * `cargo_no_command` – fixes wrongs commands like `cargo buid`;
+* `cat_dir` – replaces `cat` with `ls` when you try to `cat` a directory;
 * `cd_correction` – spellchecks and correct failed cd commands;
 * `cd_mkdir` – creates directories before cd'ing into them;
 * `cd_parent` – changes `cd..` to `cd ..`;
@@ -226,8 +233,8 @@ following rules are enabled by default:
 * `go_run` – appends `.go` extension when compiling/running Go programs;
 * `gradle_no_task` – fixes not found or ambiguous `gradle` task;
 * `gradle_wrapper` – replaces `gradle` with `./gradlew`;
-* `grep_arguments_order` – fixes grep arguments order for situations like `grep -lir . test`;
+* `grep_arguments_order` – fixes `grep` arguments order for situations like `grep -lir . test`;
-* `grep_recursive` – adds `-r` when you trying to `grep` directory;
+* `grep_recursive` – adds `-r` when you try to `grep` directory;
 * `grunt_task_not_found` – fixes misspelled `grunt` commands;
 * `gulp_not_task` – fixes misspelled `gulp` tasks;
 * `has_exists_script` – prepends `./` when script/binary exists;
@@ -239,6 +246,7 @@ following rules are enabled by default:
 * `java` – removes `.java` extension when running Java programs;
 * `javac` – appends missing `.java` when compiling Java files;
 * `lein_not_task` – fixes wrong `lein` tasks like `lein rpl`;
+* `long_form_help` – changes `-h` to `--help` when the short form version is not supported
 * `ln_no_hard_link` – catches hard link creation on directories, suggest symbolic link;
 * `ln_s_order` – fixes `ln -s` arguments order;
 * `ls_all` – adds `-A` to `ls` when output is empty;
@@ -247,7 +255,7 @@ following rules are enabled by default:
 * `man_no_space` – fixes man commands without spaces, for example `mandiff`;
 * `mercurial` – fixes wrong `hg` commands;
 * `missing_space_before_subcommand` – fixes command with missing space like `npminstall`;
-* `mkdir_p` – adds `-p` when you trying to create directory without parent;
+* `mkdir_p` – adds `-p` when you try to create a directory without parent;
 * `mvn_no_command` – adds `clean package` to `mvn`;
 * `mvn_unknown_lifecycle_phase` – fixes misspelled lifecycle phases with `mvn`;
 * `npm_missing_script` &ndash; fixes `npm` custom script name in `npm run-script <script>`;
@@ -260,13 +268,13 @@ following rules are enabled by default:
 * `php_s` &ndash; replaces `-s` by `-S` when trying to run a local php server;
 * `port_already_in_use` &ndash; kills process that bound port;
 * `prove_recursively` &ndash; adds `-r` when called with directory;
-* `python_command` &ndash; prepends `python` when you trying to run not executable/without `./` python script;
+* `python_command` &ndash; prepends `python` when you try to run non-executable/without `./` python script;
 * `python_execute` &ndash; appends missing `.py` when executing Python files;
 * `quotation_marks` &ndash; fixes uneven usage of `'` and `"` when containing args';
 * `path_from_history` &ndash; replaces not found path with similar absolute path from history;
 * `react_native_command_unrecognized` &ndash; fixes unrecognized `react-native` commands;
 * `remove_trailing_cedilla` &ndash; remove trailling cedillas `ç`, a common typo for european keyboard layouts;
-* `rm_dir` &ndash; adds `-rf` when you trying to remove directory;
+* `rm_dir` &ndash; adds `-rf` when you try to remove a directory;
 * `scm_correction` &ndash; corrects wrong scm like `hg log` to `git log`;
 * `sed_unterminated_s` &ndash; adds missing '/' to `sed`'s `s` commands;
 * `sl_ls` &ndash; changes `sl` to `ls`;
@@ -299,6 +307,7 @@ The following rules are enabled by default on specific platforms only:
 * `apt_upgrade` &ndash; helps you run `apt upgrade` after `apt list --upgradable`;
 * `brew_cask_dependency` &ndash; installs cask dependencies;
 * `brew_install` &ndash; fixes formula name for `brew install`;
+* `brew_reinstall` &ndash; turns `brew install <formula>` into `brew reinstall <formula>`;
 * `brew_link` &ndash; adds `--overwrite --dry-run` if linking fails;
 * `brew_uninstall` &ndash; adds `--force` to `brew uninstall` if multiple versions were installed;
 * `brew_unknown_command` &ndash; fixes wrong brew commands, for example `brew docto/brew doctor`;
@@ -381,7 +390,8 @@ Several *The Fuck* parameters can be changed in the file `$XDG_CONFIG_HOME/thefu
 * `history_limit` &ndash; numeric value of how many history commands will be scanned, like `2000`;
 * `alter_history` &ndash; push fixed command to history, by default `True`;
 * `wait_slow_command` &ndash; max amount of time in seconds for getting previous command output if it in `slow_commands` list;
-* `slow_commands` &ndash; list of slow commands.
+* `slow_commands` &ndash; list of slow commands;
+* `num_close_matches` &ndash; maximum number of close matches to suggest, by default `3`.
 
 An example of `settings.py`:
 
@@ -396,6 +406,7 @@ debug = False
 history_limit = 9999
 wait_slow_command = 20
 slow_commands = ['react-native', 'gradle']
+num_close_matches = 5
 ```
 
 Or via environment variables:
@@ -411,7 +422,8 @@ rule with lower `priority` will be matched first;
 * `THEFUCK_HISTORY_LIMIT` &ndash; how many history commands will be scanned, like `2000`;
 * `THEFUCK_ALTER_HISTORY` &ndash; push fixed command to history `true/false`;
 * `THEFUCK_WAIT_SLOW_COMMAND` &ndash; max amount of time in seconds for getting previous command output if it in `slow_commands` list;
-* `THEFUCK_SLOW_COMMANDS` &ndash; list of slow commands, like `lein:gradle`.
+* `THEFUCK_SLOW_COMMANDS` &ndash; list of slow commands, like `lein:gradle`;
+* `THEFUCK_NUM_CLOSE_MATCHES` &ndash; maximum number of close matches to suggest, like `5`.
 
 For example:
 
@@ -423,6 +435,7 @@ export THEFUCK_WAIT_COMMAND=10
 export THEFUCK_NO_COLORS='false'
 export THEFUCK_PRIORITY='no_command=9999:apt_get=100'
 export THEFUCK_HISTORY_LIMIT='2000'
+export THEFUCK_NUM_CLOSE_MATCHES='5'
 ```
 
 ## Third-party packages with rules
@@ -452,7 +465,7 @@ then reading the log.
 
 [![gif with instant mode][instant-mode-gif-link]][instant-mode-gif-link]
 
-Currently, instant mode only supports Python 3 with bash or zsh.
+Currently, instant mode only supports Python 3 with bash or zsh. zsh's autocorrect function also needs to be disabled in order for thefuck to work properly.
 
 To enable instant mode, add `--enable-experimental-instant-mode`
 to the alias initialization in `.bashrc`, `.bash_profile` or `.zshrc`.

appveyor.yml

@@ -6,6 +6,7 @@ environment:
     - PYTHON: "C:/Python34"
     - PYTHON: "C:/Python35"
     - PYTHON: "C:/Python36"
+    - PYTHON: "C:/Python37"
 
 init:
   - "ECHO %PYTHON%"

release.py

@@ -32,4 +32,5 @@ call('git push --tags', shell=True)
 
 env = os.environ
 env['CONVERT_README'] = 'true'
-call('python setup.py sdist bdist_wheel upload', shell=True, env=env)
+call('python setup.py sdist bdist_wheel', shell=True, env=env)
+call('twine upload dist/*', shell=True, env=env)

requirements.txt

@@ -1,4 +1,3 @@
-pip
 flake8
 pytest
 mock
@@ -9,3 +8,4 @@ pexpect
 pypandoc
 pytest-benchmark
 pytest-docker-pexpect
+twine

setup.py

@@ -31,7 +31,7 @@ elif (3, 0) < version < (3, 4):
           ' ({}.{} detected).'.format(*version))
     sys.exit(-1)
 
-VERSION = '3.26'
+VERSION = '3.28'
 
 install_requires = ['psutil', 'colorama', 'six', 'decorator', 'pyte']
 extras_require = {':python_version<"3.4"': ['pathlib2'],

snapcraft.yaml

@@ -0,0 +1,25 @@
+name: thefuck
+version: stable
+version-script: git -C parts/thefuck/build describe --abbrev=0 --tags
+summary: Magnificent app which corrects your previous console command.
+description: |
+  The Fuck tries to match a rule for the previous command,
+  creates a new command using the matched rule and runs it.
+
+grade: stable
+confinement: classic
+
+apps:
+  thefuck:
+    command: bin/thefuck
+    environment:
+        PYTHONIOENCODING: utf-8
+  fuck:
+    command: bin/fuck
+    environment:
+        PYTHONIOENCODING: utf-8
+
+parts:
+  thefuck:
+    source: https://github.com/nvbn/thefuck.git
+    plugin: python

tests/functional/test_performance.py

@@ -1,45 +0,0 @@
-import pytest
-import time
-
-dockerfile = u'''
-FROM python:3
-RUN adduser --disabled-password --gecos '' test
-ENV SEED "{seed}"
-WORKDIR /src
-USER test
-RUN echo 'eval $(thefuck --alias)' > /home/test/.bashrc
-RUN echo > /home/test/.bash_history
-RUN git config --global user.email "you@example.com"
-RUN git config --global user.name "Your Name"
-USER root
-'''.format(seed=time.time())
-
-
-def plot(proc, TIMEOUT):
-    proc.sendline(u'cd /home/test/')
-    proc.sendline(u'fuck')
-    assert proc.expect([TIMEOUT, u'No fucks given'])
-    proc.sendline(u'git init')
-    proc.sendline(u'git add .')
-    proc.sendline(u'git commit -a -m init')
-    proc.sendline(u'git brnch')
-    proc.sendline(u'fuck')
-    assert proc.expect([TIMEOUT, u'git branch'])
-    proc.send('\n')
-    assert proc.expect([TIMEOUT, u'master'])
-    proc.sendline(u'echo test')
-    proc.sendline(u'echo tst')
-    proc.sendline(u'fuck')
-    assert proc.expect([TIMEOUT, u'echo test'])
-    proc.send('\n')
-    assert proc.expect([TIMEOUT, u'test'])
-
-
-@pytest.mark.functional
-@pytest.mark.benchmark(min_rounds=10)
-def test_performance(spawnu, TIMEOUT, benchmark):
-    proc = spawnu(u'thefuck/python3-bash-performance',
-                  dockerfile, u'bash')
-    proc.sendline(u'pip install /src')
-    proc.sendline(u'su test')
-    assert benchmark(plot, proc, TIMEOUT) is None

tests/output_readers/test_rerun.py

@@ -0,0 +1,58 @@
+# -*- encoding: utf-8 -*-
+
+from mock import Mock, patch
+from psutil import AccessDenied, TimeoutExpired
+
+from thefuck.output_readers import rerun
+
+
+class TestRerun(object):
+    def setup_method(self, test_method):
+        self.patcher = patch('thefuck.output_readers.rerun.Process')
+        process_mock = self.patcher.start()
+        self.proc_mock = process_mock.return_value = Mock()
+
+    def teardown_method(self, test_method):
+        self.patcher.stop()
+
+    @patch('thefuck.output_readers.rerun._wait_output', return_value=False)
+    @patch('thefuck.output_readers.rerun.Popen')
+    def test_get_output(self, popen_mock, wait_output_mock):
+        popen_mock.return_value.stdout.read.return_value = b'output'
+        assert rerun.get_output('', '') is None
+        wait_output_mock.assert_called_once()
+
+    def test_wait_output_is_slow(self, settings):
+        assert rerun._wait_output(Mock(), True)
+        self.proc_mock.wait.assert_called_once_with(settings.wait_slow_command)
+
+    def test_wait_output_is_not_slow(self, settings):
+        assert rerun._wait_output(Mock(), False)
+        self.proc_mock.wait.assert_called_once_with(settings.wait_command)
+
+    @patch('thefuck.output_readers.rerun._kill_process')
+    def test_wait_output_timeout(self, kill_process_mock):
+        self.proc_mock.wait.side_effect = TimeoutExpired(3)
+        self.proc_mock.children.return_value = []
+        assert not rerun._wait_output(Mock(), False)
+        kill_process_mock.assert_called_once_with(self.proc_mock)
+
+    @patch('thefuck.output_readers.rerun._kill_process')
+    def test_wait_output_timeout_children(self, kill_process_mock):
+        self.proc_mock.wait.side_effect = TimeoutExpired(3)
+        self.proc_mock.children.return_value = [Mock()] * 2
+        assert not rerun._wait_output(Mock(), False)
+        assert kill_process_mock.call_count == 3
+
+    def test_kill_process(self):
+        proc = Mock()
+        rerun._kill_process(proc)
+        proc.kill.assert_called_once_with()
+
+    @patch('thefuck.output_readers.rerun.logs')
+    def test_kill_process_access_denied(self, logs_mock):
+        proc = Mock()
+        proc.kill.side_effect = AccessDenied()
+        rerun._kill_process(proc)
+        proc.kill.assert_called_once_with()
+        logs_mock.debug.assert_called_once()

tests/rules/test_ag_literal.py

@@ -9,7 +9,7 @@ def output():
             'If you meant to search for a literal string, run ag with -Q\n')
 
 
-@pytest.mark.parametrize('script', ['ag \('])
+@pytest.mark.parametrize('script', ['ag \\('])
 def test_match(script, output):
     assert match(Command(script, output))
 
@@ -20,6 +20,6 @@ def test_not_match(script):
 
 
 @pytest.mark.parametrize('script, new_cmd', [
-    ('ag \(', 'ag -Q \(')])
+    ('ag \\(', 'ag -Q \\(')])
 def test_get_new_command(script, new_cmd, output):
     assert get_new_command((Command(script, output))) == new_cmd

tests/rules/test_az_cli.py

@@ -0,0 +1,44 @@
+import pytest
+
+from thefuck.rules.az_cli import match, get_new_command
+from thefuck.types import Command
+
+
+no_suggestions = '''\
+az provider: error: the following arguments are required: _subcommand
+usage: az provider [-h] {list,show,register,unregister,operation} ...
+'''
+
+
+misspelled_command = '''\
+az: 'providers' is not in the 'az' command group. See 'az --help'.
+
+The most similar choice to 'providers' is:
+    provider
+'''
+
+misspelled_subcommand = '''\
+az provider: 'lis' is not in the 'az provider' command group. See 'az provider --help'.
+
+The most similar choice to 'lis' is:
+    list
+'''
+
+
+@pytest.mark.parametrize('command', [
+    Command('az providers', misspelled_command),
+    Command('az provider lis', misspelled_subcommand)])
+def test_match(command):
+    assert match(command)
+
+
+def test_not_match():
+    assert not match(Command('az provider', no_suggestions))
+
+
+@pytest.mark.parametrize('command, result', [
+    (Command('az providers list', misspelled_command), ['az provider list']),
+    (Command('az provider lis', misspelled_subcommand), ['az provider list'])
+])
+def test_get_new_command(command, result):
+    assert get_new_command(command) == result

tests/rules/test_brew_reinstall.py

@@ -0,0 +1,28 @@
+import pytest
+from thefuck.types import Command
+from thefuck.rules.brew_reinstall import get_new_command, match
+
+
+output = ("Warning: thefuck 9.9 is already installed and up-to-date\nTo "
+          "reinstall 9.9, run `brew reinstall thefuck`")
+
+
+def test_match():
+    command = Command('brew install thefuck', output)
+    assert match(command)
+
+
+@pytest.mark.parametrize('script', [
+    'brew reinstall thefuck',
+    'brew install foo'])
+def test_not_match(script):
+    assert not match(Command(script, ''))
+
+
+@pytest.mark.parametrize('script, formula, ', [
+    ('brew install foo', 'foo'),
+    ('brew install bar zap', 'bar zap')])
+def test_get_new_command(script, formula):
+    command = Command(script, output)
+    new_command = 'brew reinstall {}'.format(formula)
+    assert get_new_command(command) == new_command

tests/rules/test_cat_dir.py

@@ -0,0 +1,39 @@
+import pytest
+from thefuck.rules.cat_dir import match, get_new_command
+from thefuck.types import Command
+
+
+@pytest.fixture
+def isdir(mocker):
+    return mocker.patch('thefuck.rules.cat_dir'
+                        '.os.path.isdir')
+
+
+@pytest.mark.parametrize('command', [
+    Command('cat foo', 'cat: foo: Is a directory\n'),
+    Command('cat /foo/bar/', 'cat: /foo/bar/: Is a directory\n'),
+    Command('cat cat/', 'cat: cat/: Is a directory\n'),
+])
+def test_match(command, isdir):
+    isdir.return_value = True
+    assert match(command)
+
+
+@pytest.mark.parametrize('command', [
+    Command('cat foo', 'foo bar baz'),
+    Command('cat foo bar', 'foo bar baz'),
+    Command('notcat foo bar', 'some output'),
+])
+def test_not_match(command, isdir):
+    isdir.return_value = False
+    assert not match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('cat foo', 'cat: foo: Is a directory\n'), 'ls foo'),
+    (Command('cat /foo/bar/', 'cat: /foo/bar/: Is a directory\n'), 'ls /foo/bar/'),
+    (Command('cat cat', 'cat: cat: Is a directory\n'), 'ls cat'),
+])
+def test_get_new_command(command, new_command):
+    isdir.return_value = True
+    assert get_new_command(command) == new_command

tests/rules/test_git_checkout.py

@@ -4,7 +4,6 @@ from thefuck.rules.git_checkout import match, get_branches, get_new_command
 from thefuck.types import Command
 
 
-@pytest.fixture
 def did_not_match(target, did_you_forget=False):
     error = ("error: pathspec '{}' did not match any "
              "file(s) known to git.".format(target))

tests/rules/test_git_merge.py

@@ -3,24 +3,22 @@ from thefuck.rules.git_merge import match, get_new_command
 from thefuck.types import Command
 
 
-@pytest.fixture
+output = 'merge: local - not something we can merge\n\n' \
-def output():
+         'Did you mean this?\n\tremote/local'
-    return 'merge: local - not something we can merge\n\n' \
-        'Did you mean this?\n\tremote/local'
 
 
-def test_match(output):
+def test_match():
     assert match(Command('git merge test', output))
     assert not match(Command('git merge master', ''))
     assert not match(Command('ls', output))
 
 
 @pytest.mark.parametrize('command, new_command', [
-    (Command('git merge local', output()),
+    (Command('git merge local', output),
      'git merge remote/local'),
-    (Command('git merge -m "test" local', output()),
+    (Command('git merge -m "test" local', output),
      'git merge -m "test" remote/local'),
-    (Command('git merge -m "test local" local', output()),
+    (Command('git merge -m "test local" local', output),
      'git merge -m "test local" remote/local')])
 def test_get_new_command(command, new_command):
     assert get_new_command(command) == new_command

tests/rules/test_git_merge_unrelated.py

@@ -3,23 +3,21 @@ from thefuck.rules.git_merge_unrelated import match, get_new_command
 from thefuck.types import Command
 
 
-@pytest.fixture
+output = 'fatal: refusing to merge unrelated histories'
-def output():
-    return 'fatal: refusing to merge unrelated histories'
 
 
-def test_match(output):
+def test_match():
     assert match(Command('git merge test', output))
     assert not match(Command('git merge master', ''))
     assert not match(Command('ls', output))
 
 
 @pytest.mark.parametrize('command, new_command', [
-    (Command('git merge local', output()),
+    (Command('git merge local', output),
      'git merge local --allow-unrelated-histories'),
-    (Command('git merge -m "test" local', output()),
+    (Command('git merge -m "test" local', output),
      'git merge -m "test" local --allow-unrelated-histories'),
-    (Command('git merge -m "test local" local', output()),
+    (Command('git merge -m "test local" local', output),
      'git merge -m "test local" local --allow-unrelated-histories')])
 def test_get_new_command(command, new_command):
     assert get_new_command(command) == new_command

tests/rules/test_git_push.py

@@ -66,6 +66,10 @@ def test_not_match(output, script, branch_name):
     ('git -c test=test push --quiet origin', 'master',
      'git -c test=test push --set-upstream origin master --quiet'),
     ('git push', "test's",
-     "git push --set-upstream origin test\\'s")])
+     "git push --set-upstream origin test\\'s"),
+    ('git push --force', 'master',
+     'git push --set-upstream origin master --force'),
+    ('git push --force-with-lease', 'master',
+     'git push --set-upstream origin master --force-with-lease')])
 def test_get_new_command(output, script, branch_name, new_command):
     assert get_new_command(Command(script, output)) == new_command

tests/rules/test_long_form_help.py

@@ -0,0 +1,22 @@
+import pytest
+from thefuck.rules.long_form_help import match, get_new_command
+from thefuck.types import Command
+
+
+@pytest.mark.parametrize('output', [
+    'Try \'grep --help\' for more information.'])
+def test_match(output):
+    assert match(Command('grep -h', output))
+
+
+def test_not_match():
+    assert not match(Command('', ''))
+
+
+@pytest.mark.parametrize('before, after', [
+    ('grep -h', 'grep --help'),
+    ('tar -h', 'tar --help'),
+    ('docker run -h', 'docker run --help'),
+    ('cut -h', 'cut --help')])
+def test_get_new_command(before, after):
+    assert get_new_command(Command(before, '')) == after

tests/rules/test_touch.py

@@ -3,25 +3,31 @@ from thefuck.rules.touch import match, get_new_command
 from thefuck.types import Command
 
 
-@pytest.fixture
+def output(is_bsd):
-def output():
+    if is_bsd:
-    return "touch: cannot touch '/a/b/c':" \
+        return "touch: /a/b/c: No such file or directory"
-           " No such file or directory"
+    return "touch: cannot touch '/a/b/c': No such file or directory"
 
 
-def test_match(output):
+@pytest.mark.parametrize('script, is_bsd', [
-    command = Command('touch /a/b/c', output)
+    ('touch /a/b/c', False),
+    ('touch /a/b/c', True)])
+def test_match(script, is_bsd):
+    command = Command(script, output(is_bsd))
     assert match(command)
 
 
 @pytest.mark.parametrize('command', [
     Command('touch /a/b/c', ''),
-    Command('ls /a/b/c', output())])
+    Command('ls /a/b/c', output(False))])
 def test_not_match(command):
     assert not match(command)
 
 
-def test_get_new_command(output):
+@pytest.mark.parametrize('script, is_bsd', [
-    command = Command('touch /a/b/c', output)
+    ('touch /a/b/c', False),
+    ('touch /a/b/c', True)])
+def test_get_new_command(script, is_bsd):
+    command = Command(script, output(is_bsd))
     fixed_command = get_new_command(command)
     assert fixed_command == 'mkdir -p /a/b && touch /a/b/c'

tests/shells/test_bash.py

@@ -73,3 +73,8 @@ class TestBash(object):
                                                     config_exists):
         config_exists.return_value = False
         assert not shell.how_to_configure().can_configure_automatically
+
+    def test_info(self, shell, mocker):
+        patch = mocker.patch('thefuck.shells.bash.Popen')
+        patch.return_value.stdout.read.side_effect = [b'3.5.9']
+        assert shell.info() == 'Bash 3.5.9'

tests/shells/test_fish.py

@@ -16,7 +16,8 @@ class TestFish(object):
         mock.return_value.stdout.read.side_effect = [(
             b'cd\nfish_config\nfuck\nfunced\nfuncsave\ngrep\nhistory\nll\nls\n'
             b'man\nmath\npopd\npushd\nruby'),
-            b'alias fish_key_reader /usr/bin/fish_key_reader\nalias g git']
+            (b'alias fish_key_reader /usr/bin/fish_key_reader\nalias g git\n'
+             b'alias alias_with_equal_sign=echo\ninvalid_alias'), b'func1\nfunc2', b'']
         return mock
 
     @pytest.mark.parametrize('key, value', [
@@ -69,7 +70,9 @@ class TestFish(object):
                                        'pushd': 'pushd',
                                        'ruby': 'ruby',
                                        'g': 'git',
-                                       'fish_key_reader': '/usr/bin/fish_key_reader'}
+                                       'fish_key_reader': '/usr/bin/fish_key_reader',
+                                       'alias_with_equal_sign': 'echo'}
+        assert shell.get_aliases() == {'func1': 'func1', 'func2': 'func2'}
 
     def test_app_alias(self, shell):
         assert 'function fuck' in shell.app_alias('fuck')
@@ -109,3 +112,7 @@ class TestFish(object):
                                                     config_exists):
         config_exists.return_value = False
         assert not shell.how_to_configure().can_configure_automatically
+
+    def test_info(self, shell, Popen):
+        Popen.return_value.stdout.read.side_effect = [b'3.5.9']
+        assert shell.info() == 'Fish Shell 3.5.9'

tests/shells/test_zsh.py

@@ -68,3 +68,8 @@ class TestZsh(object):
                                                     config_exists):
         config_exists.return_value = False
         assert not shell.how_to_configure().can_configure_automatically
+
+    def test_info(self, shell, mocker):
+        patch = mocker.patch('thefuck.shells.zsh.Popen')
+        patch.return_value.stdout.read.side_effect = [b'3.5.9']
+        assert shell.info() == 'ZSH 3.5.9'

tests/test_conf.py

@@ -53,7 +53,8 @@ class TestSettingsFromEnv(object):
                            'THEFUCK_NO_COLORS': 'false',
                            'THEFUCK_PRIORITY': 'bash=10:lisp=wrong:vim=15',
                            'THEFUCK_WAIT_SLOW_COMMAND': '999',
-                           'THEFUCK_SLOW_COMMANDS': 'lein:react-native:./gradlew'})
+                           'THEFUCK_SLOW_COMMANDS': 'lein:react-native:./gradlew',
+                           'THEFUCK_NUM_CLOSE_MATCHES': '359'})
         settings.init()
         assert settings.rules == ['bash', 'lisp']
         assert settings.exclude_rules == ['git', 'vim']
@@ -63,6 +64,7 @@ class TestSettingsFromEnv(object):
         assert settings.priority == {'bash': 10, 'vim': 15}
         assert settings.wait_slow_command == 999
         assert settings.slow_commands == ['lein', 'react-native', './gradlew']
+        assert settings.num_close_matches == 359
 
     def test_from_env_with_DEFAULT(self, os_environ, settings):
         os_environ.update({'THEFUCK_RULES': 'DEFAULT_RULES:bash:lisp'})

tests/test_utils.py

@@ -2,11 +2,11 @@
 
 import pytest
 import warnings
-from mock import Mock
+from mock import Mock, patch
 from thefuck.utils import default_settings, \
     memoize, get_closest, get_all_executables, replace_argument, \
     get_all_matched_commands, is_app, for_app, cache, \
-    get_valid_history_without_current, _cache
+    get_valid_history_without_current, _cache, get_close_matches
 from thefuck.types import Command
 
 
@@ -50,6 +50,18 @@ class TestGetClosest(object):
                            fallback_to_first=False) is None
 
 
+class TestGetCloseMatches(object):
+    @patch('thefuck.utils.difflib_get_close_matches')
+    def test_call_with_n(self, difflib_mock):
+        get_close_matches('', [], 1)
+        assert difflib_mock.call_args[0][2] == 1
+
+    @patch('thefuck.utils.difflib_get_close_matches')
+    def test_call_without_n(self, difflib_mock, settings):
+        get_close_matches('', [])
+        assert difflib_mock.call_args[0][2] == settings.get('num_close_matches')
+
+
 @pytest.fixture
 def get_aliases(mocker):
     mocker.patch('thefuck.shells.shell.get_aliases',

thefuck/argument_parser.py

@@ -55,7 +55,7 @@ class Parser(object):
         """It's too dangerous to use `-y` and `-r` together."""
         group = self._parser.add_mutually_exclusive_group()
         group.add_argument(
-            '-y', '--yes',
+            '-y', '--yes', '--yeah',
             action='store_true',
             help='execute fixed command without confirmation')
         group.add_argument(

thefuck/conf.py

@@ -95,7 +95,8 @@ class Settings(dict):
             return self._rules_from_env(val)
         elif attr == 'priority':
             return dict(self._priority_from_env(val))
-        elif attr in ('wait_command', 'history_limit', 'wait_slow_command'):
+        elif attr in ('wait_command', 'history_limit', 'wait_slow_command',
+                      'num_close_matches'):
             return int(val)
         elif attr in ('require_confirmation', 'no_colors', 'debug',
                       'alter_history', 'instant_mode'):

thefuck/const.py

@@ -42,6 +42,7 @@ DEFAULT_SETTINGS = {'rules': DEFAULT_RULES,
                                       './gradlew', 'vagrant'],
                     'repeat': False,
                     'instant_mode': False,
+                    'num_close_matches': 3,
                     'env': {'LC_ALL': 'C', 'LANG': 'C', 'GIT_TRACE': '1'}}
 
 ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',
@@ -56,7 +57,8 @@ ENV_TO_ATTR = {'THEFUCK_RULES': 'rules',
                'THEFUCK_WAIT_SLOW_COMMAND': 'wait_slow_command',
                'THEFUCK_SLOW_COMMANDS': 'slow_commands',
                'THEFUCK_REPEAT': 'repeat',
-               'THEFUCK_INSTANT_MODE': 'instant_mode'}
+               'THEFUCK_INSTANT_MODE': 'instant_mode',
+               'THEFUCK_NUM_CLOSE_MATCHES': 'num_close_matches'}
 
 SETTINGS_HEADER = u"""# The Fuck settings file
 #
@@ -81,3 +83,7 @@ LOG_SIZE_IN_BYTES = 1024 * 1024
 LOG_SIZE_TO_CLEAN = 10 * 1024
 
 DIFF_WITH_ALIAS = 0.5
+
+SHELL_LOGGER_SOCKET_ENV = 'SHELL_LOGGER_SOCKET'
+
+SHELL_LOGGER_LIMIT = 5

thefuck/entrypoints/main.py

@@ -8,6 +8,7 @@ import sys  # noqa: E402
 from .. import logs  # noqa: E402
 from ..argument_parser import Parser  # noqa: E402
 from ..utils import get_installation_info  # noqa: E402
+from ..shells import shell  # noqa: E402
 from .alias import print_alias  # noqa: E402
 from .fix_command import fix_command  # noqa: E402
 
@@ -20,7 +21,7 @@ def main():
         parser.print_help()
     elif known_args.version:
         logs.version(get_installation_info().version,
-                     sys.version.split()[0])
+                     sys.version.split()[0], shell.info())
     elif known_args.command or 'TF_HISTORY' in os.environ:
         fix_command(known_args)
     elif known_args.alias:

thefuck/logs.py

@@ -134,7 +134,8 @@ def configured_successfully(configuration_details):
             reload=configuration_details.reload))
 
 
-def version(thefuck_version, python_version):
+def version(thefuck_version, python_version, shell_info):
     sys.stderr.write(
-        u'The Fuck {} using Python {}\n'.format(thefuck_version,
+        u'The Fuck {} using Python {} and {}\n'.format(thefuck_version,
-                                                python_version))
+                                                       python_version,
+                                                       shell_info))

thefuck/output_readers/__init__.py

@@ -1,5 +1,5 @@
 from ..conf import settings
-from . import read_log, rerun
+from . import read_log, rerun, shell_logger
 
 
 def get_output(script, expanded):
@@ -12,6 +12,8 @@ def get_output(script, expanded):
     :rtype: str
 
     """
+    if shell_logger.is_available():
+        return shell_logger.get_output(script)
     if settings.instant_mode:
         return read_log.get_output(script)
     else:

thefuck/output_readers/rerun.py

@@ -1,11 +1,25 @@
 import os
 import shlex
 from subprocess import Popen, PIPE, STDOUT
-from psutil import Process, TimeoutExpired
+from psutil import AccessDenied, Process, TimeoutExpired
 from .. import logs
 from ..conf import settings
 
 
+def _kill_process(proc):
+    """Tries to kill the process otherwise just logs a debug message, the
+    process will be killed when thefuck terminates.
+
+    :type proc: Process
+
+    """
+    try:
+        proc.kill()
+    except AccessDenied:
+        logs.debug(u'Rerun: process PID {} ({}) could not be terminated'.format(
+            proc.pid, proc.exe()))
+
+
 def _wait_output(popen, is_slow):
     """Returns `True` if we can get output of the command in the
     `settings.wait_command` time.
@@ -23,8 +37,8 @@ def _wait_output(popen, is_slow):
         return True
     except TimeoutExpired:
         for child in proc.children(recursive=True):
-            child.kill()
+            _kill_process(child)
-        proc.kill()
+        _kill_process(proc)
         return False
 
 

thefuck/output_readers/shell_logger.py

@@ -0,0 +1,60 @@
+import json
+import os
+import socket
+try:
+    from shutil import get_terminal_size
+except ImportError:
+    from backports.shutil_get_terminal_size import get_terminal_size
+import pyte
+from .. import const, logs
+
+
+def _get_socket_path():
+    return os.environ.get(const.SHELL_LOGGER_SOCKET_ENV)
+
+
+def is_available():
+    """Returns `True` if shell logger socket available.
+
+    :rtype: book
+
+    """
+    path = _get_socket_path()
+    if not path:
+        return False
+
+    return os.path.exists(path)
+
+
+def _get_last_n(n):
+    with socket.socket(socket.AF_UNIX) as client:
+        client.connect(_get_socket_path())
+        request = json.dumps({
+            "type": "list",
+            "count": n,
+        }) + '\n'
+        client.sendall(request.encode('utf-8'))
+        response = client.makefile().readline()
+        return json.loads(response)['commands']
+
+
+def _get_output_lines(output):
+    lines = output.split('\n')
+    screen = pyte.Screen(get_terminal_size().columns, len(lines))
+    stream = pyte.Stream(screen)
+    stream.feed('\n'.join(lines))
+    return screen.display
+
+
+def get_output(script):
+    """Gets command output from shell logger."""
+    with logs.debug_time(u'Read output from external shell logger'):
+        commands = _get_last_n(const.SHELL_LOGGER_LIMIT)
+        for command in commands:
+            if command['command'] == script:
+                lines = _get_output_lines(command['output'])
+                output = '\n'.join(lines).strip()
+                return output
+            else:
+                logs.warn("Output isn't available in shell logger")
+                return None

thefuck/rules/aws_cli.py

@@ -3,7 +3,7 @@ import re
 from thefuck.utils import for_app, replace_argument
 
 INVALID_CHOICE = "(?<=Invalid choice: ')(.*)(?=', maybe you meant:)"
-OPTIONS = "^\s*\*\s(.*)"
+OPTIONS = "^\\s*\\*\\s(.*)"
 
 
 @for_app('aws')

thefuck/rules/az_cli.py

@@ -0,0 +1,17 @@
+import re
+
+from thefuck.utils import for_app, replace_argument
+
+INVALID_CHOICE = "(?=az)(?:.*): '(.*)' is not in the '.*' command group."
+OPTIONS = "^The most similar choice to '.*' is:\n\\s*(.*)$"
+
+
+@for_app('az')
+def match(command):
+    return "is not in the" in command.output and "command group" in command.output
+
+
+def get_new_command(command):
+    mistake = re.search(INVALID_CHOICE, command.output).group(1)
+    options = re.findall(OPTIONS, command.output, flags=re.MULTILINE)
+    return [replace_argument(command.script, mistake, o) for o in options]

thefuck/rules/brew_install.py

@@ -20,7 +20,7 @@ def _get_formulas():
 
 
 def _get_similar_formula(formula_name):
-    return get_closest(formula_name, _get_formulas(), 1, 0.85)
+    return get_closest(formula_name, _get_formulas(), cutoff=0.85)
 
 
 def match(command):

thefuck/rules/brew_reinstall.py

@@ -0,0 +1,19 @@
+import re
+from thefuck.utils import for_app
+
+
+warning_regex = re.compile(r'Warning: (?:.(?!is ))+ is already installed and '
+                           r'up-to-date')
+message_regex = re.compile(r'To reinstall (?:(?!, ).)+, run `brew reinstall '
+                           r'[^`]+`')
+
+
+@for_app('brew', at_least=2)
+def match(command):
+    return ('install' in command.script
+            and warning_regex.search(command.output)
+            and message_regex.search(command.output))
+
+
+def get_new_command(command):
+    return command.script.replace('install', 'reinstall')

thefuck/rules/cat_dir.py

@@ -0,0 +1,14 @@
+import os
+from thefuck.utils import for_app
+
+
+@for_app('cat', at_least=1)
+def match(command):
+    return (
+        command.output.startswith('cat: ') and
+        os.path.isdir(command.script_parts[1])
+    )
+
+
+def get_new_command(command):
+    return command.script.replace('cat', 'ls', 1)

thefuck/rules/cd_correction.py

@@ -2,10 +2,9 @@
 
 import os
 import six
-from difflib import get_close_matches
 from thefuck.specific.sudo import sudo_support
 from thefuck.rules import cd_mkdir
-from thefuck.utils import for_app
+from thefuck.utils import for_app, get_close_matches
 
 __author__ = "mmussomele"
 

thefuck/rules/git_push.py

@@ -39,6 +39,6 @@ def get_new_command(command):
         while len(command_parts) > push_idx and command_parts[len(command_parts) - 1][0] != '-':
             command_parts.pop(len(command_parts) - 1)
 
-    arguments = re.findall(r'git push (.*)', command.output)[0].replace("'", r"\'").strip()
+    arguments = re.findall(r'git push (.*)', command.output)[-1].replace("'", r"\'").strip()
     return replace_argument(" ".join(command_parts), 'push',
                             'push {}'.format(arguments))

thefuck/rules/git_rebase_merge_dir.py

@@ -1,4 +1,4 @@
-from difflib import get_close_matches
+from thefuck.utils import get_close_matches
 from thefuck.specific.git import git_support
 
 

thefuck/rules/heroku_multiple_apps.py

@@ -8,5 +8,5 @@ def match(command):
 
 
 def get_new_command(command):
-    apps = re.findall('([^ ]*) \([^)]*\)', command.output)
+    apps = re.findall('([^ ]*) \\([^)]*\\)', command.output)
     return [command.script + ' --app ' + app for app in apps]

thefuck/rules/history.py

@@ -1,5 +1,5 @@
-from difflib import get_close_matches
+from thefuck.utils import get_close_matches, get_closest, \
-from thefuck.utils import get_closest, get_valid_history_without_current
+    get_valid_history_without_current
 
 
 def match(command):

thefuck/rules/long_form_help.py

@@ -0,0 +1,27 @@
+from thefuck.utils import replace_argument
+import re
+
+# regex to match a suggested help command from the tool output
+help_regex = r"(?:Run|Try) '([^']+)'(?: or '[^']+')? for (?:details|more information)."
+
+
+def match(command):
+    if re.search(help_regex, command.output, re.I) is not None:
+        return True
+
+    if '--help' in command.output:
+        return True
+
+    return False
+
+
+def get_new_command(command):
+    if re.search(help_regex, command.output) is not None:
+        match_obj = re.search(help_regex, command.output, re.I)
+        return match_obj.group(1)
+
+    return replace_argument(command.script, '-h', '--help')
+
+
+enabled_by_default = True
+priority = 5000

thefuck/rules/mvn_unknown_lifecycle_phase.py

@@ -1,5 +1,4 @@
-from thefuck.utils import replace_command, for_app
+from thefuck.utils import for_app, get_close_matches, replace_command
-from difflib import get_close_matches
 import re
 
 
@@ -25,8 +24,7 @@ def get_new_command(command):
     available_lifecycles = _getavailable_lifecycles(command)
     if available_lifecycles and failed_lifecycle:
         selected_lifecycle = get_close_matches(
-            failed_lifecycle.group(1), available_lifecycles.group(1).split(", "),
+            failed_lifecycle.group(1), available_lifecycles.group(1).split(", "))
-            3, 0.6)
         return replace_command(command, failed_lifecycle.group(1), selected_lifecycle)
     else:
         return []

thefuck/rules/no_command.py

@@ -1,5 +1,4 @@
-from difflib import get_close_matches
+from thefuck.utils import get_all_executables, get_close_matches, \
-from thefuck.utils import get_all_executables, \
     get_valid_history_without_current, get_closest, which
 from thefuck.specific.sudo import sudo_support
 

thefuck/rules/switch_lang.py

@@ -4,6 +4,7 @@ from thefuck.utils import memoize, get_alias
 target_layout = '''qwertyuiop[]asdfghjkl;'zxcvbnm,./QWERTYUIOP{}ASDFGHJKL:"ZXCVBNM<>?'''
 
 source_layouts = [u'''йцукенгшщзхъфывапролджэячсмитьбю.ЙЦУКЕНГШЩЗХЪФЫВАПРОЛДЖЭЯЧСМИТЬБЮ,''',
+                  u'''йцукенгшщзхїфівапролджєячсмитьбю.ЙЦУКЕНГШЩЗХЇФІВАПРОЛДЖЄЯЧСМИТЬБЮ,''',
                   u'''ضصثقفغعهخحجچشسیبلاتنمکگظطزرذدپو./ًٌٍَُِّْ][}{ؤئيإأآة»«:؛كٓژٰ‌ٔء><؟''',
                   u''';ςερτυθιοπ[]ασδφγηξκλ΄ζχψωβνμ,./:΅ΕΡΤΥΘΙΟΠ{}ΑΣΔΦΓΗΞΚΛ¨"ΖΧΨΩΒΝΜ<>?''',
                   u'''/'קראטוןםפ][שדגכעיחלךף,זסבהנמצתץ.QWERTYUIOP{}ASDFGHJKL:"ZXCVBNM<>?''']
@@ -15,7 +16,14 @@ def _get_matched_layout(command):
     # result in a non-splitable sript as per shlex
     cmd = command.script.split(' ')
     for source_layout in source_layouts:
-        if all([ch in source_layout or ch in '-_' for ch in cmd[0]]):
+        is_all_match = True
+
+        for cmd_part in cmd:
+            if not all([ch in source_layout or ch in '-_' for ch in cmd_part]):
+                is_all_match = False
+                break
+
+        if is_all_match:
             return source_layout
 
 

thefuck/rules/touch.py

@@ -9,5 +9,6 @@ def match(command):
 
 
 def get_new_command(command):
-    path = re.findall(r"touch: cannot touch '(.+)/.+':", command.output)[0]
+    path = path = re.findall(
+        r"touch: (?:cannot touch ')?(.+)/.+'?:", command.output)[0]
     return shell.and_(u'mkdir -p {}'.format(path), command.script)

thefuck/shells/__init__.py

@@ -16,7 +16,8 @@ shells = {'bash': Bash,
           'zsh': Zsh,
           'csh': Tcsh,
           'tcsh': Tcsh,
-          'powershell': Powershell}
+          'powershell': Powershell,
+          'pwsh': Powershell}
 
 
 def _get_shell_from_env():

thefuck/shells/bash.py

@@ -1,9 +1,10 @@
 import os
+from subprocess import Popen, PIPE
 from tempfile import gettempdir
 from uuid import uuid4
 from ..conf import settings
 from ..const import ARGUMENT_PLACEHOLDER, USER_COMMAND_MARK
-from ..utils import memoize
+from ..utils import DEVNULL, memoize
 from .generic import Generic
 
 
@@ -81,3 +82,10 @@ class Bash(Generic):
             content=u'eval $(thefuck --alias)',
             path=config,
             reload=u'source {}'.format(config))
+
+    def info(self):
+        """Returns the name and version of the current shell"""
+        proc = Popen(['bash', '-c', 'echo $BASH_VERSION'],
+                     stdout=PIPE, stderr=DEVNULL)
+        version = proc.stdout.read().decode('utf-8').strip()
+        return u'Bash {}'.format(version)

thefuck/shells/fish.py

@@ -20,9 +20,17 @@ def _get_functions(overridden):
 def _get_aliases(overridden):
     aliases = {}
     proc = Popen(['fish', '-ic', 'alias'], stdout=PIPE, stderr=DEVNULL)
-    alias_out = proc.stdout.read().decode('utf-8').strip().split('\n')
+    alias_out = proc.stdout.read().decode('utf-8').strip()
-    for alias in alias_out:
+    if not alias_out:
-        name, value = alias.replace('alias ', '', 1).split(' ', 1)
+        return aliases
+    for alias in alias_out.split('\n'):
+        for separator in (' ', '='):
+            split_alias = alias.replace('alias ', '', 1).split(separator, 1)
+            if len(split_alias) == 2:
+                name, value = split_alias
+                break
+        else:
+            continue
         if name not in overridden:
             aliases[name] = value
     return aliases
@@ -95,6 +103,13 @@ class Fish(Generic):
             path='~/.config/fish/config.fish',
             reload='fish')
 
+    def info(self):
+        """Returns the name and version of the current shell"""
+        proc = Popen(['fish', '-c', 'echo $FISH_VERSION'],
+                     stdout=PIPE, stderr=DEVNULL)
+        version = proc.stdout.read().decode('utf-8').strip()
+        return u'Fish Shell {}'.format(version)
+
     def put_to_history(self, command):
         try:
             return self._put_to_history(command)

thefuck/shells/generic.py

@@ -82,7 +82,7 @@ class Generic(object):
         encoded = self.encode_utf8(command)
 
         try:
-            splitted = [s.replace("??", "\ ") for s in shlex.split(encoded.replace('\ ', '??'))]
+            splitted = [s.replace("??", "\\ ") for s in shlex.split(encoded.replace('\\ ', '??'))]
         except ValueError:
             splitted = encoded.split(' ')
 
@@ -131,6 +131,10 @@ class Generic(object):
                 'type', 'typeset', 'ulimit', 'umask', 'unalias', 'unset',
                 'until', 'wait', 'while']
 
+    def info(self):
+        """Returns the name and version of the current shell"""
+        return 'Generic Shell'
+
     def _create_shell_configuration(self, content, path, reload):
         return ShellConfiguration(
             content=content,

thefuck/shells/powershell.py

@@ -12,6 +12,7 @@ class Powershell(Generic):
                '            else { iex "$fuck"; }\n' \
                '        }\n' \
                '    }\n' \
+               '    [Console]::ResetColor() \n' \
                '}\n'
 
     def and_(self, *commands):

thefuck/shells/zsh.py

@@ -1,10 +1,11 @@
 from time import time
 import os
+from subprocess import Popen, PIPE
 from tempfile import gettempdir
 from uuid import uuid4
 from ..conf import settings
 from ..const import ARGUMENT_PLACEHOLDER, USER_COMMAND_MARK
-from ..utils import memoize
+from ..utils import DEVNULL, memoize
 from .generic import Generic
 
 
@@ -16,8 +17,10 @@ class Zsh(Generic):
                 TF_PYTHONIOENCODING=$PYTHONIOENCODING;
                 export TF_SHELL=zsh;
                 export TF_ALIAS={name};
-                export TF_SHELL_ALIASES=$(alias);
+                TF_SHELL_ALIASES=$(alias);
-                export TF_HISTORY="$(fc -ln -10)";
+                export TF_SHELL_ALIASES;
+                TF_HISTORY="$(fc -ln -10)";
+                export TF_HISTORY;
                 export PYTHONIOENCODING=utf-8;
                 TF_CMD=$(
                     thefuck {argument_placeholder} $@
@@ -49,7 +52,7 @@ class Zsh(Generic):
                 export THEFUCK_INSTANT_MODE=True;
                 export THEFUCK_OUTPUT_LOG={log};
                 thefuck --shell-logger {log};
-                rm {log};
+                rm -f {log};
                 exit
             '''.format(log=log_path)
 
@@ -83,3 +86,10 @@ class Zsh(Generic):
             content=u'eval $(thefuck --alias)',
             path='~/.zshrc',
             reload='source ~/.zshrc')
+
+    def info(self):
+        """Returns the name and version of the current shell"""
+        proc = Popen(['zsh', '-c', 'echo $ZSH_VERSION'],
+                     stdout=PIPE, stderr=DEVNULL)
+        version = proc.stdout.read().decode('utf-8').strip()
+        return u'ZSH {}'.format(version)

thefuck/system/win32.py

@@ -1,5 +1,4 @@
 import os
-import sys
 import msvcrt
 import win_unicode_console
 from .. import const
@@ -12,20 +11,18 @@ def init_output():
 
 
 def get_key():
-    ch = msvcrt.getch()
+    ch = msvcrt.getwch()
-    if ch in (b'\x00', b'\xe0'):  # arrow or function key prefix?
+    if ch in ('\x00', '\xe0'):  # arrow or function key prefix?
-        ch = msvcrt.getch()  # second call returns the actual key code
+        ch = msvcrt.getwch()  # second call returns the actual key code
 
     if ch in const.KEY_MAPPING:
         return const.KEY_MAPPING[ch]
-    if ch == b'H':
+    if ch == 'H':
         return const.KEY_UP
-    if ch == b'P':
+    if ch == 'P':
         return const.KEY_DOWN
 
-    encoding = (sys.stdout.encoding
+    return ch
-                or os.environ.get('PYTHONIOENCODING', 'utf-8'))
-    return ch.decode(encoding)
 
 
 def open_command(arg):

thefuck/utils.py

@@ -3,11 +3,12 @@ import os
 import pickle
 import re
 import shelve
+import sys
 import six
 from decorator import decorator
-from difflib import get_close_matches
+from difflib import get_close_matches as difflib_get_close_matches
 from functools import wraps
-from .logs import warn
+from .logs import warn, exception
 from .conf import settings
 from .system import Path
 
@@ -86,16 +87,23 @@ def default_settings(params):
     return decorator(_default_settings)
 
 
-def get_closest(word, possibilities, n=3, cutoff=0.6, fallback_to_first=True):
+def get_closest(word, possibilities, cutoff=0.6, fallback_to_first=True):
     """Returns closest match or just first from possibilities."""
     possibilities = list(possibilities)
     try:
-        return get_close_matches(word, possibilities, n, cutoff)[0]
+        return difflib_get_close_matches(word, possibilities, 1, cutoff)[0]
     except IndexError:
         if fallback_to_first:
             return possibilities[0]
 
 
+def get_close_matches(word, possibilities, n=None, cutoff=0.6):
+    """Overrides `difflib.get_close_match` to controle argument `n`."""
+    if n is None:
+        n = settings.num_close_matches
+    return difflib_get_close_matches(word, possibilities, n, cutoff)
+
+
 @memoize
 def get_all_executables():
     from thefuck.shells import shell
@@ -190,6 +198,13 @@ class Cache(object):
         self._db = None
 
     def _init_db(self):
+        try:
+            self._setup_db()
+        except Exception:
+            exception("Unable to init cache", sys.exc_info())
+            self._db = {}
+
+    def _setup_db(self):
         cache_dir = self._get_cache_dir()
         cache_path = Path(cache_dir).joinpath('thefuck').as_posix()
 

tox.ini

@@ -1,10 +1,10 @@
 [tox]
-envlist = py27,py34,py35,py36
+envlist = py27,py34,py35,py36,py37
 
 [testenv]
 deps = -rrequirements.txt
 commands = py.test -v --capture=sys
 
 [flake8]
-ignore = E501,W503
+ignore = E501,W503,W504
 exclude = venv,build,.tox,setup.py,fastentrypoints.py