Merge branch 'master' into josephfrazier-git-push-u

# Conflicts:
#	thefuck/rules/git_push.py

README.md

@@ -273,7 +273,9 @@ side_effect(old_command: Command, fixed_command: str) -> None
 ```
 and optional `enabled_by_default`, `requires_output` and `priority` variables.
 
-`Command` has three attributes: `script`, `stdout` and `stderr`.
+`Command` has three attributes: `script`, `stdout`, `stderr` and `script_parts`.
+Rule shouldn't change `Command`.
+
 
 *Rules api changed in 3.0:* For accessing settings in rule you need to import it with `from thefuck.conf import settings`.
 `settings` is a special object filled with `~/.config/thefuck/settings.py` and values from env ([see more below](#settings)).

thefuck/rules/brew_link.py

@@ -8,7 +8,8 @@ def match(command):
 
 
 def get_new_command(command):
-    command.script_parts[1] = 'link'
-    command.script_parts.insert(2, '--overwrite')
-    command.script_parts.insert(3, '--dry-run')
-    return ' '.join(command.script_parts)
+    command_parts = command.script_parts[:]
+    command_parts[1] = 'link'
+    command_parts.insert(2, '--overwrite')
+    command_parts.insert(3, '--dry-run')
+    return ' '.join(command_parts)

thefuck/rules/brew_uninstall.py

@@ -8,6 +8,7 @@ def match(command):
 
 
 def get_new_command(command):
-    command.script_parts[1] = 'uninstall'
-    command.script_parts.insert(2, '--force')
-    return ' '.join(command.script_parts)
+    command_parts = command.script_parts[:]
+    command_parts[1] = 'uninstall'
+    command_parts.insert(2, '--force')
+    return ' '.join(command_parts)

thefuck/rules/git_push.py

@@ -14,21 +14,23 @@ def get_new_command(command):
     # because the remaining arguments are concatenated onto the command suggested
     # by git, which includes --set-upstream and its argument
     upstream_option_index = -1
+    command_parts = command.script_parts[:]
+
     try:
-        upstream_option_index = command.script_parts.index('--set-upstream')
+        upstream_option_index = command_parts.index('--set-upstream')
     except ValueError:
         pass
     try:
-        upstream_option_index = command.script_parts.index('-u')
+        upstream_option_index = command_parts.index('-u')
     except ValueError:
         pass
     if upstream_option_index is not -1:
-        command.script_parts.pop(upstream_option_index)
+        command_parts.pop(upstream_option_index)
         try:
-            command.script_parts.pop(upstream_option_index)
+            command_parts.pop(upstream_option_index)
         except IndexError:
             # This happens for `git push -u`
             pass
 
     push_upstream = command.stderr.split('\n')[-3].strip().partition('git ')[2]
-    return replace_argument(" ".join(command.script_parts), 'push', push_upstream)
+    return replace_argument(" ".join(command_parts), 'push', push_upstream)

thefuck/rules/git_rm_recursive.py

@@ -10,6 +10,7 @@ def match(command):
 
 @git_support
 def get_new_command(command):
-    index = command.script_parts.index('rm') + 1
-    command.script_parts.insert(index, '-r')
-    return u' '.join(command.script_parts)
+    command_parts = command.script_parts[:]
+    index = command_parts.index('rm') + 1
+    command_parts.insert(index, '-r')
+    return u' '.join(command_parts)

thefuck/rules/python_command.py

@@ -6,9 +6,8 @@ from thefuck.specific.sudo import sudo_support
 
 @sudo_support
 def match(command):
-    toks = command.script_parts
-    return (toks
-            and toks[0].endswith('.py')
+    return (command.script_parts
+            and command.script_parts[0].endswith('.py')
             and ('Permission denied' in command.stderr or
                  'command not found' in command.stderr))
 

thefuck/rules/systemctl.py

@@ -17,6 +17,6 @@ def match(command):
 
 @sudo_support
 def get_new_command(command):
-    cmd = command.script_parts
+    cmd = command.script_parts[:]
     cmd[-1], cmd[-2] = cmd[-2], cmd[-1]
     return ' '.join(cmd)

thefuck/types.py

@@ -34,7 +34,8 @@ class Command(object):
             except Exception:
                 logs.debug(u"Can't split command script {} because:\n {}".format(
                     self, sys.exc_info()))
-                self._script_parts = None
+                self._script_parts = []
+
         return self._script_parts
 
     def __eq__(self, other):

thefuck/utils.py

@@ -159,7 +159,7 @@ def is_app(command, *app_names, **kwargs):
     if kwargs:
         raise TypeError("got an unexpected keyword argument '{}'".format(kwargs.keys()))
 
-    if command.script_parts is not None and len(command.script_parts) > at_least:
+    if len(command.script_parts) > at_least:
         return command.script_parts[0] in app_names
 
     return False