help: support `#:` help in external commands.

Fixes https://github.com/Homebrew/homebrew-test-bot/issues/3

1 files changed, 1 insertions, 4 deletions

diff --git a/Library/Homebrew/brew.rb b/Library/Homebrew/brew.rb
index 1ba3fb8c2..f961a82f6 100644
--- a/Library/Homebrew/brew.rb
+++ b/Library/Homebrew/brew.rb
@@ -75,12 +75,9 @@ begin
   end
 
   # Usage instructions should be displayed if and only if one of:
-  # - a help flag is passed AND an internal command is matched
+  # - a help flag is passed AND a command is matched
   # - a help flag is passed AND there is no command specified
   # - no arguments are passed
-  #
-  # It should never affect external commands so they can handle usage
-  # arguments themselves.
   if empty_argv || help_flag
     require "cmd/help"
     Homebrew.help cmd, empty_argv: empty_argv