From 2c4dd63f777ac2219dd21b806b1d422b897d64be Mon Sep 17 00:00:00 2001
From: Jason Karns <jason@karns.name>
Date: Tue, 17 Nov 2015 14:51:10 -0500
Subject: [PATCH] handle --help for subcommands

If subcommand is provided (and exists) and its first arg is -h/--help,
go ahead and intercept the call; redirecting to rbenv-help <subcommand>

This means subcommands and plugins need not handle --help flag
themselves
---
 libexec/rbenv | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libexec/rbenv b/libexec/rbenv
index b65ca112..a7c4cc5a 100755
--- a/libexec/rbenv
+++ b/libexec/rbenv
@@ -111,6 +111,10 @@ case "$command" in
   fi
 
   shift 1
-  exec "$command_path" "$@"
+  if [ "$1" = --help ]; then
+    exec rbenv-help "$command"
+  else
+    exec "$command_path" "$@"
+  fi
   ;;
 esac