From 95fba2979745deba67119627310e9caffecb9e6f Mon Sep 17 00:00:00 2001
From: Nick Owens <mischief@coreos.com>
Date: Thu, 3 Dec 2015 14:03:34 -0800
Subject: [PATCH] update_ebuilds: allow underscore, needed for
 app-misc/c_rehash

---
 update_ebuilds | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/update_ebuilds b/update_ebuilds
index a847afde58..05cf3ace0f 100755
--- a/update_ebuilds
+++ b/update_ebuilds
@@ -48,7 +48,7 @@ cd "$FLAGS_portage_stable"
 
 for pkg in "$@"; do
     # Only allow packages, not categories or the whole tree
-    if [[ ! "$pkg" =~ ^[a-z0-9-][a-z0-9-]*\/[a-zA-Z0-9-][a-zA-Z0-9-]*$ ]] &&
+    if [[ ! "$pkg" =~ ^[a-z0-9-][a-z0-9-]*\/[a-zA-Z0-9-][a-zA-Z0-9_-]*$ ]] &&
        [[ ! "$pkg" =~ ^(eclass|licenses|profiles|scripts) ]]; then
         die "Invalid name $pkg, must be category/package or special dir."
     fi