Ensure the command exist before adding an alias

Fixes #371
2015-08-11 13:37:38 +01:00 · 2015-08-11 13:37:38 +01:00 · d7744308f6
commit d7744308f6
parent 2a72ca6f63
1 changed files with 3 additions and 0 deletions
--- a/src/commands.cc
+++ b/src/commands.cc
@ -847,6 +847,9 @@ const CommandDesc alias_cmd = {
    CommandCompleter{},
    [](const ParametersParser& parser, Context& context)
    {
+        if (not CommandManager::instance().command_defined(parser[2]))
+            throw runtime_error(format("Command '{}' does not exist", parser[2]));
+
        AliasRegistry& aliases = get_scope(parser[0], context).aliases();
        aliases.add_alias(parser[1], parser[2]);
    }