From 28d078708b8ef04437a70bbe8af796530c1d8a3e Mon Sep 17 00:00:00 2001
From: nvbn <nvbn.rm@gmail.com>
Date: Sat, 6 Feb 2016 16:37:11 +0300
Subject: [PATCH] #N/A: Check that brew/apt available in related rules

---
 thefuck/rules/apt_get.py               | 2 ++
 thefuck/rules/apt_get_search.py        | 3 +++
 thefuck/rules/apt_invalid_operation.py | 3 +++
 thefuck/rules/brew_install.py          | 7 +++----
 thefuck/rules/brew_unknown_command.py  | 6 ++++--
 thefuck/rules/brew_upgrade.py          | 3 +++
 thefuck/specific/apt.py                | 3 +++
 thefuck/specific/brew.py               | 2 +-
 8 files changed, 22 insertions(+), 7 deletions(-)
 create mode 100644 thefuck/specific/apt.py

diff --git a/thefuck/rules/apt_get.py b/thefuck/rules/apt_get.py
index 853c8784..54f9647b 100644
--- a/thefuck/rules/apt_get.py
+++ b/thefuck/rules/apt_get.py
@@ -1,8 +1,10 @@
+from thefuck.specific.apt import apt_available
 from thefuck.utils import memoize
 from thefuck.shells import shell
 
 try:
     import CommandNotFound
+    enabled_by_default = apt_available
 except ImportError:
     enabled_by_default = False
 
diff --git a/thefuck/rules/apt_get_search.py b/thefuck/rules/apt_get_search.py
index edc89376..95b6f75f 100644
--- a/thefuck/rules/apt_get_search.py
+++ b/thefuck/rules/apt_get_search.py
@@ -1,6 +1,9 @@
 import re
+from thefuck.specific.apt import apt_available
 from thefuck.utils import for_app
 
+enabled_by_default = apt_available
+
 
 @for_app('apt-get')
 def match(command):
diff --git a/thefuck/rules/apt_invalid_operation.py b/thefuck/rules/apt_invalid_operation.py
index 574e60d2..f73de266 100644
--- a/thefuck/rules/apt_invalid_operation.py
+++ b/thefuck/rules/apt_invalid_operation.py
@@ -1,7 +1,10 @@
 import subprocess
+from thefuck.specific.apt import apt_available
 from thefuck.specific.sudo import sudo_support
 from thefuck.utils import for_app, eager, replace_command
 
+enabled_by_default = apt_available
+
 
 @for_app('apt', 'apt-get', 'apt-cache')
 @sudo_support
diff --git a/thefuck/rules/brew_install.py b/thefuck/rules/brew_install.py
index 3a42fdd4..fcd1491a 100644
--- a/thefuck/rules/brew_install.py
+++ b/thefuck/rules/brew_install.py
@@ -1,10 +1,9 @@
 import os
 import re
-from thefuck.utils import get_closest, replace_argument, which
-from thefuck.specific.brew import get_brew_path_prefix
+from thefuck.utils import get_closest, replace_argument
+from thefuck.specific.brew import get_brew_path_prefix, brew_available
 
-
-enabled_by_default = bool(which('brew'))
+enabled_by_default = brew_available
 
 
 def _get_formulas():
diff --git a/thefuck/rules/brew_unknown_command.py b/thefuck/rules/brew_unknown_command.py
index 29fe6dc8..ae6e89ba 100644
--- a/thefuck/rules/brew_unknown_command.py
+++ b/thefuck/rules/brew_unknown_command.py
@@ -1,12 +1,14 @@
 import os
 import re
 from thefuck.utils import get_closest, replace_command
-from thefuck.specific.brew import get_brew_path_prefix
+from thefuck.specific.brew import get_brew_path_prefix, brew_available
 
 BREW_CMD_PATH = '/Library/Homebrew/cmd'
 TAP_PATH = '/Library/Taps'
 TAP_CMD_PATH = '/%s/%s/cmd'
 
+enabled_by_default = brew_available
+
 
 def _get_brew_commands(brew_path_prefix):
     """To get brew default commands on local environment"""
@@ -53,7 +55,7 @@ def _brew_commands():
     if brew_path_prefix:
         try:
             return _get_brew_commands(brew_path_prefix) \
-                 + _get_brew_tap_specific_commands(brew_path_prefix)
+                   + _get_brew_tap_specific_commands(brew_path_prefix)
         except OSError:
             pass
 
diff --git a/thefuck/rules/brew_upgrade.py b/thefuck/rules/brew_upgrade.py
index d188943b..8f6d40db 100644
--- a/thefuck/rules/brew_upgrade.py
+++ b/thefuck/rules/brew_upgrade.py
@@ -4,6 +4,9 @@
 # > brew upgrade
 # Warning: brew upgrade with no arguments will change behaviour soon!
 # It currently upgrades all formula but this will soon change to require '--all'.
+from thefuck.specific.brew import brew_available
+
+enabled_by_default = brew_available
 
 
 def match(command):
diff --git a/thefuck/specific/apt.py b/thefuck/specific/apt.py
new file mode 100644
index 00000000..322b3869
--- /dev/null
+++ b/thefuck/specific/apt.py
@@ -0,0 +1,3 @@
+from thefuck.utils import which
+
+apt_available = bool(which('apt-get'))
diff --git a/thefuck/specific/brew.py b/thefuck/specific/brew.py
index 346d2d54..d56c0e07 100644
--- a/thefuck/specific/brew.py
+++ b/thefuck/specific/brew.py
@@ -2,7 +2,7 @@ import subprocess
 from ..utils import memoize, which
 
 
-enabled_by_default = bool(which('brew'))
+brew_available = bool(which('brew'))
 
 
 @memoize