Added systemctl rule

tests/rules/test_systemctl.py

@@ -0,0 +1,18 @@
+import pytest
+from thefuck.rules.systemctl import match, get_new_command
+from tests.utils import Command
+
+
+
+def test_match():
+    assert match(Command('systemctl nginx start', stderr='Unknown operation \'nginx\'.'), None)
+    assert match(Command('sudo systemctl nginx start', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl start nginx'), None)
+    assert not match(Command('systemctl start nginx'), None)
+    assert not match(Command('sudo systemctl nginx', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl nginx', stderr='Unknown operation \'nginx\'.'), None)
+    assert not match(Command('systemctl start wtf', stderr='Failed to start wtf.service: Unit wtf.service failed to load: No such file or directory.'), None)
+
+def test_get_new_command():
+    assert get_new_command(Command('systemctl nginx start'), None) == "systemctl start nginx"
+    assert get_new_command(Command('sudo systemctl nginx start'), None) == "sudo systemctl start nginx"

thefuck/rules/systemctl.py

@@ -0,0 +1,16 @@
+"""
+The confusion in systemctl's param order is massive
+"""
+from thefuck.utils import sudo_support
+
+@sudo_support
+def match(command, settings):
+    #Catches 'Unknown operation 'service'.' when executing systemctl with misordered arguments
+    cmd = command.script.split()
+    return ('systemctl' in command.script) and ('Unknown operation \'' in command.stderr) and (len(cmd) - cmd.index('systemctl') == 3);
+
+@sudo_support
+def get_new_command(command, settings):
+    cmd = command.script.split()
+    cmd[len(cmd)-1], cmd[len(cmd)-2] = cmd[len(cmd)-2], cmd[len(cmd)-1]
+    return ' '.join(cmd)