From dbf381f7fb369bd6336272847da882d8ef0e5a30 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Amadeusz=20=C5=BBo=C5=82nowski?= <aidecoe@aidecoe.name>
Date: Tue, 29 Mar 2011 01:21:56 +0200
Subject: [PATCH] dracut: don't skip zero-length string outfile argument

When '' was passed as outfile, dracut generated name with following
pattern:

  /boot/initramfs-$kernel

With commit 486a1b9324d6fc7bc534d8147d64b8b259692c46 dracut skips ''
argument.
---
 dracut |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dracut b/dracut
index 6b67dc0..c16b222 100755
--- a/dracut
+++ b/dracut
@@ -237,7 +237,7 @@ while (($# > 0)); do
                        ;;
         -*) printf "\nUnknown option: %s\n\n" "$1" >&2; usage; exit 1;;
         *) 
-            if ! [[ $outfile ]]; then
+            if ! [[ ${outfile+x} ]]; then
                 outfile=$1
             elif [[ $kernel = "unset" ]]; then
                 kernel=$1