degesch: make "/help /command" work

Works for aliases as well.  Resolves a TODO entry.

2 files changed, 7 insertions, 4 deletions

diff --git a/NEWS b/NEWS
index 2a8a9a1..614c600 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,8 @@
 
  * degesch: /set +=/-= now treats its argument as a string array
 
+ * degesch: made "/help /command" work the same way as "/help command" does
+
  * censor.lua: now stripping colours from censored messages;
    their attributes are also configurable rather than always black on black
 
diff --git a/degesch.c b/degesch.c
index f9c0309..ed5b1ce 100644
--- a/degesch.c
+++ b/degesch.c
@@ -12188,8 +12188,9 @@ handle_command_help (struct handler_args *a)
 	if (!*a->arguments)
 		return show_command_list (ctx);
 
-	// TODO: we should probably also accept commands names with a leading slash
-	char *command = cut_word (&a->arguments);
+	const char *word = cut_word (&a->arguments);
+
+	const char *command = word + (*word == '/');
 	for (size_t i = 0; i < N_ELEMENTS (g_command_handlers); i++)
 	{
 		struct command_handler *handler = &g_command_handlers[i];
@@ -12197,13 +12198,13 @@ handle_command_help (struct handler_args *a)
 			return show_command_help (ctx, handler);
 	}
 
-	if (try_handle_command_help_option (ctx, command))
+	if (try_handle_command_help_option (ctx, word))
 		return true;
 
 	if (str_map_find (get_aliases_config (ctx), command))
 		log_global_status (ctx, "/#s is an alias", command);
 	else
-		log_global_error (ctx, "#s: #s", "No such command or option", command);
+		log_global_error (ctx, "#s: #s", "No such command or option", word);
 	return true;
 }