Fixed #7762 -- Hidden full script name in command error output

django/core/management/base.py

@@ -300,7 +300,8 @@ class BaseCommand(object):
             for opt in self.option_list:
                 parser.add_option(opt)
         else:
-            parser = CommandParser(self, prog="%s %s" % (prog_name, subcommand), description=self.help or None)
+            parser = CommandParser(self, prog="%s %s" % (os.path.basename(prog_name), subcommand),
+                description=self.help or None)
             parser.add_argument('--version', action='version', version=self.get_version())
             parser.add_argument('-v', '--verbosity', action='store', dest='verbosity', default='1',
                 type=int, choices=[0, 1, 2, 3],

tests/admin_scripts/tests.py

@@ -1417,6 +1417,14 @@ class CommandTypes(AdminScriptTestCase):
         expected_labels = "('testlabel',)"
         self._test_base_command(args, expected_labels, option_a="'x'", option_b="'y'")
 
+    def test_base_command_with_wrong_option(self):
+        "User BaseCommands outputs command usage when wrong option is specified"
+        args = ['base_command', '--invalid']
+        out, err = self.run_manage(args)
+        self.assertNoOutput(out)
+        self.assertOutput(err, "usage: manage.py base_command")
+        self.assertOutput(err, "error: unrecognized arguments: --invalid")
+
     def _test_base_command(self, args, labels, option_a="'1'", option_b="'2'"):
         out, err = self.run_manage(args)