Merge bab3fc0f0e1a6694349ee38b699fcba821918b99 into c7e7e1d884d3bb241ea6448f72a989434c2a35ec

README.md

@@ -341,6 +341,7 @@ following rules are enabled by default:
 * `unknown_command` – fixes hadoop hdfs-style "unknown command", for example adds missing '-' to the command on `hdfs dfs ls`;
 * `unsudo` – removes `sudo` from previous command if a process refuses to run on superuser privilege.
 * `vagrant_up` – starts up the vagrant instance;
+* `version` – fixes wrong verion commands like `git -v` or `fuck -ver`;
 * `whois` – fixes `whois` command;
 * `workon_doesnt_exists` – fixes `virtualenvwrapper` env name os suggests to create new.
 * `wrong_hyphen_before_subcommand` – removes an improperly placed hyphen (`apt-install` -> `apt install`, `git-log` -> `git log`, etc.)

tests/rules/test_version.py

@@ -0,0 +1,20 @@
+import pytest
+from thefuck.rules.version import match, get_new_command
+from thefuck.types import Command
+
+
+@pytest.mark.parametrize('command', [
+    Command('git -v', ''),
+    Command('git -version', ''),
+    Command('git -version', ''),
+    Command('fuck -ver', '')])
+def test_match(command):
+    assert match(command)
+
+
+@pytest.mark.parametrize('command, new_command', [
+    (Command('git -v', ''), 'git --version'),
+    (Command('git -version', ''), 'git --version'),
+    (Command('fuck -ver', ''), 'fuck --version')])
+def test_get_new_command(command, new_command):
+    assert get_new_command(command) == new_command

thefuck/rules/version.py

@@ -0,0 +1,17 @@
+# Fixes incorrect usage of version commands
+#
+# Example :
+# > git -v
+# Here the correct usage is
+# > git --version
+
+
+def match(command):
+    return ('-v' in command.script)
+
+
+def get_new_command(command):
+    if '--version' in command.script:
+        return command.script_parts[0] + ' -v'
+    else:
+        return command.script_parts[0] + ' --version'