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thefuck/thefuck/rules/brew_unknown_command.py
2015-07-24 00:39:56 +03:00

103 lines
3.2 KiB
Python

import os
import re
import subprocess
from thefuck.utils import get_closest, replace_argument
BREW_CMD_PATH = '/Library/Homebrew/cmd'
TAP_PATH = '/Library/Taps'
TAP_CMD_PATH = '/%s/%s/cmd'
def _get_brew_path_prefix():
"""To get brew path"""
try:
return subprocess.check_output(['brew', '--prefix'],
universal_newlines=True).strip()
except:
return None
def _get_brew_commands(brew_path_prefix):
"""To get brew default commands on local environment"""
brew_cmd_path = brew_path_prefix + BREW_CMD_PATH
commands = [name.replace('.rb', '') for name in os.listdir(brew_cmd_path)
if name.endswith('.rb')]
return commands
def _get_brew_tap_specific_commands(brew_path_prefix):
"""To get tap's specific commands
https://github.com/Homebrew/homebrew/blob/master/Library/brew.rb#L115"""
commands = []
brew_taps_path = brew_path_prefix + TAP_PATH
for user in _get_directory_names_only(brew_taps_path):
taps = _get_directory_names_only(brew_taps_path + '/%s' % user)
# Brew Taps's naming rule
# https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/brew-tap.md#naming-conventions-and-limitations
taps = (tap for tap in taps if tap.startswith('homebrew-'))
for tap in taps:
tap_cmd_path = brew_taps_path + TAP_CMD_PATH % (user, tap)
if os.path.isdir(tap_cmd_path):
commands += (name.replace('brew-', '').replace('.rb', '')
for name in os.listdir(tap_cmd_path)
if _is_brew_tap_cmd_naming(name))
return commands
def _is_brew_tap_cmd_naming(name):
if name.startswith('brew-') and name.endswith('.rb'):
return True
return False
def _get_directory_names_only(path):
return [d for d in os.listdir(path)
if os.path.isdir(os.path.join(path, d))]
brew_path_prefix = _get_brew_path_prefix()
# Failback commands for testing (Based on Homebrew 0.9.5)
brew_commands = ['info', 'home', 'options', 'install', 'uninstall',
'search', 'list', 'update', 'upgrade', 'pin', 'unpin',
'doctor', 'create', 'edit']
if brew_path_prefix:
try:
brew_commands = _get_brew_commands(brew_path_prefix) \
+ _get_brew_tap_specific_commands(brew_path_prefix)
except OSError:
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)
has_possible_commands = False
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))
return has_possible_commands
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)