Add a tmux rule

README.md

@@ -189,7 +189,8 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `sudo` – prepends `sudo` to previous command if it failed because of permissions;
 * `switch_layout` – switches command from your local layout to en;
 * `systemctl` – correctly orders parameters of confusing systemctl;
-* `test.py` &ndasg; runs `py.test` instead of `test.py`;
+* `test.py` – runs `py.test` instead of `test.py`;
+* `tmux` – fixes tmux commands;
 * `whois` – fixes `whois` command.
 
 Enabled by default only on specific platforms:

tests/rules/test_tmux.py

@@ -0,0 +1,19 @@
+import pytest
+from thefuck.rules.tmux import match, get_new_command
+from tests.utils import Command
+
+
+@pytest.fixture
+def tmux_ambiguous():
+    return "ambiguous command: list, could be: " \
+           "list-buffers, list-clients, list-commands, list-keys, " \
+           "list-panes, list-sessions, list-windows"
+
+
+def test_match(tmux_ambiguous):
+    assert match(Command('tmux list', stderr=tmux_ambiguous), None)
+
+
+def test_get_new_command(tmux_ambiguous):
+    assert get_new_command(Command('tmux list', stderr=tmux_ambiguous), None)\
+        == 'tmux list-buffers'

thefuck/rules/tmux.py

@@ -0,0 +1,14 @@
+import re
+
+
+def match(command, settings):
+    return ('tmux' in command.script
+            and 'ambiguous command:' in command.stderr
+            and 'could be:' in command.stderr)
+
+
+def get_new_command(command, settings):
+    cmd = re.match(r"ambiguous command: (.*), could be: ([^, \n]*)",
+                   command.stderr)
+
+    return command.script.replace(cmd.group(1), cmd.group(2))