From 512e554dbf5e79fd391fc251568841e5528543ff Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 6 Dec 2009 01:12:45 +0000
Subject: [PATCH] Make register_die_hook() ensure that each hook is registered
 only once.

svn path=/main/trunk/; revision=14932
---
 bin/ebuild.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 1a1f3e103..3a203860d 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -260,7 +260,11 @@ use_enable() {
 }
 
 register_die_hook() {
-	export EBUILD_DEATH_HOOKS="${EBUILD_DEATH_HOOKS} $*"
+	local x
+	for x in $* ; do
+		hasq $x $EBUILD_DEATH_HOOKS || \
+			export EBUILD_DEATH_HOOKS="$EBUILD_DEATH_HOOKS $x"
+	done
 }
 
 # Ensure that $PWD is sane whenever possible, to protect against
-- 
2.26.2