From fe6eb1c593e2df135c8807bf94df614984b4d6ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Sun, 23 Sep 2007 10:04:46 +0200
Subject: Adding live-helper 1.0~a1-1.

---
 helpers/lh_losetup | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'helpers/lh_losetup')

diff --git a/helpers/lh_losetup b/helpers/lh_losetup
index e2b3c0d10..442afdb87 100755
--- a/helpers/lh_losetup
+++ b/helpers/lh_losetup
@@ -2,7 +2,13 @@
 
 # lh_losetup <device> <file> <partition>
 
-DEVICE="${1}"
+if [ -z "${1}" ]
+then
+	DEVICE="`losetup -f`"
+else
+	DEVICE="${1}"
+fi
+
 FILE="${2}"
 PARTITION="${3}"
 
@@ -11,7 +17,7 @@ FDISK_OUT="`fdisk -l -u ${DEVICE} 2>&1`"
 losetup -d "${DEVICE}"
 
 LOOPDEVICE="`echo ${DEVICE}p${PARTITION:=1}`"
-CYL="`echo ${FDISK_OUT} | sed -ne "s_^${LOOPDEVICE}[ *]*\([0-9]*\).*_\1_p" `"
+CYL=`echo "$FDISK_OUT" | sed -ne "s_^$LOOPDEVICE[ *]*\([0-9]*\).*_\1_p"`
 #OFFSET="`expr 512 '*' ${CYL}`"
 OFFSET="$((CYL*512))"
 
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