use actual boolean state for some simple vars

Gbp-Dch: Ignore

scripts/build/binary_hdd

@@ -148,9 +148,10 @@ fi
 
 dd if=/dev/zero of=chroot/binary.img bs=1024k count=0 seek=${REAL_DIM}
 FREELO="$(${LB_LOSETUP} -f)"
+MAKEDEV=false
 if [ ! -b chroot/${FREELO} ]
 then
-	MAKEDEV="true"
+	MAKEDEV=true
 
 	mv chroot/dev chroot/dev.tmp
 	find /dev | cpio -dmpu chroot
@@ -343,8 +344,7 @@ Lodetach ${FREELO}
 
 echo "!!! The above error/warning messages can be ignored !!!"
 
-if [ -n "${MAKEDEV}" ]
-then
+if $MAKEDEV; then
 	rm -rf chroot/dev
 	mv chroot/dev.tmp chroot/dev
 fi

scripts/build/binary_rootfs

@@ -114,10 +114,11 @@ case "${LB_CHROOT_FILESYSTEM}" in
 			true)
 				dd if=/dev/zero of=chroot/filesystem.${LB_CHROOT_FILESYSTEM} bs=1024k count=0 seek=${REAL_DIM}
 
+				FAKE_MTAB=false
 				if ! Chroot chroot "test -s /etc/mtab"
 				then
 					Chroot chroot "ln -s /proc/mounts/mtab /etc/mtab"
-					FAKE_MTAB="true"
+					FAKE_MTAB=true
 				fi
 
 				Chroot chroot "mkfs.${LB_CHROOT_FILESYSTEM} -F -b 1024 -N ${REAL_INODES} -m 0 filesystem.${LB_CHROOT_FILESYSTEM}"
@@ -126,8 +127,7 @@ case "${LB_CHROOT_FILESYSTEM}" in
 				mount -o loop chroot/filesystem.${LB_CHROOT_FILESYSTEM} filesystem.tmp
 				cp -a chroot/chroot/* filesystem.tmp
 
-				if [ "${FAKE_MTAB}" = "true" ]
-				then
+				if $FAKE_MTAB; then
 					Chroot chroot "rm -f /etc/mtab"
 				fi
 

scripts/build/source_hdd

@@ -65,10 +65,11 @@ fi
 DU_DIM="$(du -ms source | cut -f1)"
 REAL_DIM="$(Calculate_partition_size ${DU_DIM} ${LB_BINARY_FILESYSTEM})"
 dd if=/dev/zero of=${LIVE_IMAGE_NAME}-source.img bs=1024k count=0 seek=${REAL_DIM}
+MAKEDEV=false
 FREELO="$(${LB_LOSETUP} -f)"
 if [ ! -b chroot/${FREELO} ]
 then
-	MAKEDEV="true"
+	MAKEDEV=true
 
 	mv chroot/dev chroot/dev.tmp
 	find /dev | cpio -dmpu chroot
@@ -142,8 +143,7 @@ Losetup "$FREELO" ${LIVE_IMAGE_NAME}-source.img 0
 Chroot chroot "parted -s ${FREELO} set 1 lba off" || true
 Lodetach ${FREELO}
 
-if [ -n "${MAKEDEV}" ]
-then
+if $MAKEDEV; then
 	rm -rf chroot/dev
 	mv chroot/dev.tmp chroot/dev
 fi