From 32e6d9c217846ec5f6d2da9b773a34c4d1970348 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Mon, 24 Sep 2007 07:34:40 +0200
Subject: [PATCH] Replacing backticks with POSIX expression.

---
 bin/live-snapshot             | 12 ++++++------
 scripts/live                  | 14 +++++++-------
 scripts/live-bottom/10adduser |  2 +-
 scripts/live-helpers          |  4 ++--
 4 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/bin/live-snapshot b/bin/live-snapshot
index 17349fc..989fd3a 100755
--- a/bin/live-snapshot
+++ b/bin/live-snapshot
@@ -25,7 +25,7 @@
 # On Debian systems, the complete text of the GNU General Public License
 # can be found in /usr/share/common-licenses/GPL-2 file.
 
-PROGRAM="`basename $0`"
+PROGRAM="$(basename $0)"
 VERSION=0.0.1
 
 # Source live conf
@@ -150,8 +150,8 @@ Do_snapshot ()
 			;;
 
 		ext2|ext3)
-			DU_DIM="`du -ks ${COW} | cut -f1`"
-			REAL_DIM="`expr ${DU_DIM} + ${DU_DIM} / 20`" # Just 5% more to be sure, need something more sophistcated here...
+			DU_DIM="$(du -ks ${COW} | cut -f1)"
+			REAL_DIM="$(expr ${DU_DIM} + ${DU_DIM} / 20)" # Just 5% more to be sure, need something more sophistcated here...
 			genext2fs --size-in-blocks=${REAL_DIM} --reserved-blocks=0 --root="${COW}" "${DEST}" || exit 1
 			;;
 
@@ -164,8 +164,8 @@ Do_snapshot ()
 
 Is_same_mount ()
 {
-	dir1="`Base_path $1`"
-	dir2="`Base_path $2`"
+	dir1="$(Base_path $1)"
+	dir2="$(Base_path $2)"
 
 	if [ "${dir1}" = "${dir2}" ]
 	then
@@ -179,7 +179,7 @@ Parse_args ()
 {
 	# Parse command line
 	ARGS="$1"
-	ARGUMENTS="`getopt --longoptions cow:,device:,output,resync-string:,type:,help,usage,version --name=${PROGRAM} --options c:d:o:t:r:,h,u,v --shell sh -- ${ARGS}`"
+	ARGUMENTS="$(getopt --longoptions cow:,device:,output,resync-string:,type:,help,usage,version --name=${PROGRAM} --options c:d:o:t:r:,h,u,v --shell sh -- ${ARGS})"
 
 	if [ "$?" != "0" ]
 	then
diff --git a/scripts/live b/scripts/live
index b883c92..47b4469 100755
--- a/scripts/live
+++ b/scripts/live
@@ -36,7 +36,7 @@ Arguments ()
 {
 	PRESEEDS=""
 
-	for ARGUMENT in `cat /proc/cmdline`
+	for ARGUMENT in $(cat /proc/cmdline)
 	do
 		case "${ARGUMENT}" in
 			access=*)
@@ -419,7 +419,7 @@ is_live_path ()
 	then
 		for FILESYSTEM in squashfs ext2 ext3 xfs dir
 		do
-			if [ "`echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}`" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
+			if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
 			then
 				return 0
 			fi
@@ -631,7 +631,7 @@ do_netmount ()
 do_httpmount ()
 {
 	rc=1
-	extension=`echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/'`
+	extension=$(echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/')
 
 	case "${extension}" in
 		squashfs|tgz|tar)
@@ -838,7 +838,7 @@ setup_unionfs ()
 	# Let's just mount the read-only file systems first
 	rofsstring=""
 	rofslist=""
-	minor_kernel_version=`uname -r|cut -c 5-|sed 's/[^0-9].*//'`
+	minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 
 	if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
 	then
@@ -851,13 +851,13 @@ setup_unionfs ()
 	# Read image names from ${MODULE}.module if it exists
 	if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
 	then
-		for IMAGE in `cat ${image_directory}/filesystem.${MODULE}.module`
+		for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
 		do
 			image_string="${image_string} ${image_directory}/${image}"
 		done
 	elif [ -e "${image_directory}/${MODULE}.module" ]
 	then
-		for IMAGE in `cat ${image_directory}/${MODULE}.module`
+		for IMAGE in $(cat ${image_directory}/${MODULE}.module)
 		do
 			image_string="${image_string} ${image_directory}/${image}"
 		done
@@ -875,7 +875,7 @@ setup_unionfs ()
 		done
 
 		# Now sort the list
-		image_string="`echo ${image_string} | sed -e 's/ /\n/g' | sort `"
+		image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
 	fi
 
 	[ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
diff --git a/scripts/live-bottom/10adduser b/scripts/live-bottom/10adduser
index 4c83fa3..ed2e14e 100755
--- a/scripts/live-bottom/10adduser
+++ b/scripts/live-bottom/10adduser
@@ -33,7 +33,7 @@ log_begin_msg "Adding live session user..."
 
 if [ "${BUILD_SYSTEM}" = "Debian" ]
 then
-	user_crypted="8Ab05sVQ4LLps" # as in `echo "live" | mkpasswd -s`
+	user_crypted="8Ab05sVQ4LLps" # as in $(echo "live" | mkpasswd -s)
 else
 	user_crypted="U6aMy0wojraho" # "ubuntu"
 fi
diff --git a/scripts/live-helpers b/scripts/live-helpers
index 9cf3b99..f4dae34 100644
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -89,11 +89,11 @@ base_path ()
 	do
 		if echo "${mounts}" | grep -qs "^${testpath}"
 		then
-			set -- `echo "${mounts}" | grep "^${testpath}" | lastline`
+			set -- $(echo "${mounts}" | grep "^${testpath}" | lastline)
 			echo ${1}
 			break
 		else
-			testpath=`dirname $testpath`
+			testpath=$(dirname $testpath)
 		fi
 	done
 }
-- 
2.1.4