#324 Remove arrows in case there is only one match

tests/test_ui.py

@@ -92,6 +92,13 @@ class TestSelectCommand(object):
                                       require_confirmation=True)) == commands[0]
         assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/↑/↓/ctrl+c]\n')
 
+    def test_with_confirmation_one_match(self, capsys, patch_getch, commands):
+        patch_getch(['\n'])
+        assert ui.select_command((commands[0],),
+                                 Mock(debug=False, no_color=True,
+                                      require_confirmation=True)) == commands[0]
+        assert capsys.readouterr() == ('', u'\x1b[1K\rls [enter/ctrl+c]\n')
+
     def test_with_confirmation_abort(self, capsys, patch_getch, commands):
         patch_getch([KeyboardInterrupt])
         assert ui.select_command(commands,

thefuck/logs.py

@@ -45,12 +45,18 @@ def show_corrected_command(corrected_command, settings):
         reset=color(colorama.Style.RESET_ALL, settings)))
 
 
-def confirm_text(corrected_command, settings):
+def confirm_text(corrected_command, multiple_cmds, settings):
+    if multiple_cmds:
+        arrows = '{blue}↑{reset}/{blue}↓{reset}/'
+    else:
+        arrows = ''
+
     sys.stderr.write(
-        '\033[1K\r{bold}{script}{reset}{side_effect} '
-        '[{green}enter{reset}/{blue}↑{reset}/{blue}↓{reset}/{red}ctrl+c{reset}]'.format(
+        ('{clear}{bold}{script}{reset}{side_effect} '
+         '[{green}enter{reset}/' + arrows + '{red}ctrl+c{reset}]').format(
             script=corrected_command.script,
             side_effect=' (+side effect)' if corrected_command.side_effect else '',
+            clear='\033[1K\r',
             bold=color(colorama.Style.BRIGHT, settings),
             green=color(colorama.Fore.GREEN, settings),
             red=color(colorama.Fore.RED, settings),

thefuck/ui.py

@@ -44,8 +44,7 @@ def read_actions():
 
         if buffer == ['\x1b', '[', 'A']:  # ↑
             yield PREVIOUS
-
-        if buffer == ['\x1b', '[', 'B']:  # ↓
+        elif buffer == ['\x1b', '[', 'B']:  # ↓
             yield NEXT
 
 
@@ -89,7 +88,9 @@ def select_command(corrected_commands, settings):
         logs.show_corrected_command(selector.value, settings)
         return selector.value
 
-    selector.on_change(lambda val: logs.confirm_text(val, settings))
+    multiple_cmds = len(corrected_commands) > 1
+
+    selector.on_change(lambda val: logs.confirm_text(val, multiple_cmds, settings))
     for action in read_actions():
         if action == SELECT:
             sys.stderr.write('\n')