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Prevent whitespaces in command names

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Fixes #1843
This commit is contained in:
Maxime Coste 2018-02-11 20:35:21 +11:00
parent 01259bf22c
commit f3c19ba7fa
1 changed files with 3 additions and 0 deletions
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3
src/commands.cc
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@ -842,6 +842,9 @@ void define_command(const ParametersParser& parser, Context& context, const Shel
const String& cmd_name = parser[0];
auto& cm = CommandManager::instance();
if (contains_that(cmd_name, is_blank))
throw runtime_error(format("invalid command name: '{}'", cmd_name));
if (cm.command_defined(cmd_name) and not parser.get_switch("allow-override"))
throw runtime_error(format("command '{}' already defined", cmd_name));