From a4ebda3fc486e03940e4792e7478a41aada98852 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Sat, 1 Oct 2016 18:25:16 +0100
Subject: help: support `#:` help in external commands.

Fixes https://github.com/Homebrew/homebrew-test-bot/issues/3
---
 Library/Homebrew/cmd/help.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew/cmd/help.rb')

diff --git a/Library/Homebrew/cmd/help.rb b/Library/Homebrew/cmd/help.rb
index 2a814b90b..200e68738 100644
--- a/Library/Homebrew/cmd/help.rb
+++ b/Library/Homebrew/cmd/help.rb
@@ -39,6 +39,8 @@ module Homebrew
     if cmd
       cmd = HOMEBREW_INTERNAL_COMMAND_ALIASES.fetch(cmd, cmd)
       path = Commands.path(cmd)
+      path ||= which("brew-#{cmd}")
+      path ||= which("brew-#{cmd}.rb")
     end
 
     # Display command-specific (or generic) help in response to `UsageError`.
@@ -61,7 +63,7 @@ module Homebrew
       exit 0
     end
 
-    # Resume execution in `brew.rb` for external/unknown commands.
+    # Resume execution in `brew.rb` for unknown commands.
     return if path.nil?
 
     # Display help for internal command (or generic help if undocumented).
-- 
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