initramfs-framework: fix bashism

(From OE-Core rev: e6039e6e3b98d6ab91252a5012d76279b1fac6e8)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/initrdscripts/initramfs-framework/finish

@@ -16,8 +16,9 @@ finish_run() {
 		if [ -n "$bootparam_root" ]; then
 			debug "No e2fs compatible filesystem has been mounted, mounting $bootparam_root..."
 
-			if [ "${bootparam_root:0:5}" = "UUID=" ]; then
-				bootparam_root="/dev/disk/by-uuid/${bootparam_root/UUID=/}"
+			if [ "`echo ${bootparam_root} | cut -c1-5`" = "UUID=" ]; then
+				root_uuid=`echo $bootparam_root | cut -c6-`
+				bootparam_root="/dev/disk/by-uuid/$root_uuid"
 			fi
 
 			if [ -e "$bootparam_root" ]; then

meta/recipes-core/initrdscripts/initramfs-framework/init

@@ -78,12 +78,13 @@ mount -t sysfs sysfs /sys
 
 # populate bootparam environment
 for p in `cat /proc/cmdline`; do
-	opt="${p%%=*}"
-	opt=${opt/-/_}
-	if [ "${p/=/}" = "$p" ]; then
+	opt=`echo $p | cut -d'=' -f1`
+	opt=`echo $opt | sed -e 's/-/_/'`
+	if [ "`echo $p | cut -d'=' -f1`" = "$p" ]; then
 		eval "bootparam_${opt}=true"
 	else
-		eval "bootparam_${opt}=\"${p#*=}\""
+		value="`echo $p | cut -d'=' -f2-`"
+		eval "bootparam_${opt}=\"${value}\""
 	fi
 done
 
@@ -102,7 +103,7 @@ mkdir $ROOTFS_DIR
 # Load and run modules
 for m in $MODULES_DIR/*; do
 	# Skip backup files
-	if [ "${m/\~/}" != "$m" ]; then
+	if [ "`echo $m | sed -e 's/\~$//'`" = "$m" ]; then
 		continue
 	fi
 
@@ -117,7 +118,7 @@ for m in $MODULES_DIR/*; do
 	done
 
 	# process module
-	source $m
+	. $m
 
 	if ! eval "${module}_enabled"; then
 		debug "Skipping module $module"