Raspi2-3_GenImage Commit - r336:65a52e512f7d · Collaboration Tremplin des Sciences

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r336:65a52e512f7d

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bootstrap.d/10-bootstrap.sh +1 -1

             fi
             # Base debootstrap (unpack only)
-            http_proxy=${APT_PROXY} debootstrap ${APT_EXCLUDES} --arch="${RELEASE_ARCH}" --foreign ${VARIANT} --components="${COMPONENTS}" --include="${APT_INCLUDES}" "${RELEASE}" "${R}" "http://${APT_SERVER}/debian"
+            http_proxy=${APT_PROXY} debootstrap "${APT_EXCLUDES}" --arch="${RELEASE_ARCH}" --foreign ${VARIANT} --components="${COMPONENTS}" --include="${APT_INCLUDES}" "${RELEASE}" "${R}" "http://${APT_SERVER}/debian"
             # Copy qemu emulator binary to chroot
             install -m 755 -o root -g root "${QEMU_BINARY}" "${R}${QEMU_BINARY}"

bootstrap.d/11-apt.sh +3 -3

             chroot_exec apt-get -qq -y -u dist-upgrade
             if [ "$APT_INCLUDES_LATE" ] ; then
-              chroot_exec apt-get -qq -y install $(echo $APT_INCLUDES_LATE |tr , ' ')
+              chroot_exec apt-get -qq -y install "$(echo "$APT_INCLUDES_LATE" |tr , ' ')"
             fi
             if [ -d packages ] ; then
               for package in packages/*.deb ; do
-                cp $package ${R}/tmp
+                cp "$package" "${R}"/tmp
-                chroot_exec dpkg --unpack /tmp/$(basename $package)
+                chroot_exec dpkg --unpack /tmp/"$(basename "$package")"
               done
             fi
             chroot_exec apt-get -qq -y -f install

bootstrap.d/12-locale.sh +2 -2

             . ./functions.sh
             # Install and setup timezone
-            echo ${TIMEZONE} > "${ETC_DIR}/timezone"
+            echo "${TIMEZONE}" > "${ETC_DIR}/timezone"
             chroot_exec dpkg-reconfigure -f noninteractive tzdata
             # Install and setup default locale and keyboard configuration
-            if [ $(echo "$APT_INCLUDES" | grep ",locales") ] ; then
+            if [ "$(echo "$APT_INCLUDES" | grep ",locales")" ] ; then
               # Set locale choice in debconf db, even though dpkg-reconfigure ignores and overwrites them due to some bug
               # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684134 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685957
               # ... so we have to set locales manually

bootstrap.d/13-kernel.sh +29 -27

                   # Set kernel configuration parameters to enable qemu emulation
                   if [ "$ENABLE_QEMU" = true ] ; then
-                    echo "CONFIG_FHANDLE=y" >> ${KERNEL_DIR}/.config
+                    echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
-                    echo "CONFIG_LBDAF=y" >> ${KERNEL_DIR}/.config
+                    echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
                     if [ "$ENABLE_CRYPTFS" = true ] ; then
-                      echo "CONFIG_EMBEDDED=y" >> ${KERNEL_DIR}/.config
-                      echo "CONFIG_EXPERT=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_EMBEDDED=y"
-                      echo "CONFIG_DAX=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_EXPERT=y"
-                      echo "CONFIG_MD=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_DAX=y"
-                      echo "CONFIG_BLK_DEV_MD=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_MD=y"
-                      echo "CONFIG_MD_AUTODETECT=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_BLK_DEV_MD=y"
-                      echo "CONFIG_BLK_DEV_DM=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_MD_AUTODETECT=y"
-                      echo "CONFIG_BLK_DEV_DM_BUILTIN=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_BLK_DEV_DM=y"
-                      echo "CONFIG_DM_CRYPT=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
-                      echo "CONFIG_CRYPTO_BLKCIPHER=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_DM_CRYPT=y"
-                      echo "CONFIG_CRYPTO_CBC=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_CRYPTO_BLKCIPHER=y"
-                      echo "CONFIG_CRYPTO_XTS=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_CRYPTO_CBC=y"
-                      echo "CONFIG_CRYPTO_SHA512=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_CRYPTO_XTS=y"
-                      echo "CONFIG_CRYPTO_MANAGER=y" >> ${KERNEL_DIR}/.config
+                        echo "CONFIG_CRYPTO_SHA512=y"
+                        echo "CONFIG_CRYPTO_MANAGER=y"
+                      } >> ${KERNEL_DIR}/.config
             	fi
                   fi
                   # Copy custom kernel configuration file
-                  if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then
+                  if [ -n "$KERNELSRC_USRCONFIG" ] ; then
-                    cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config
+                    cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
                   fi
                   # Set kernel configuration parameters to their default values
                 fi
                 # Cross compile kernel and dtbs
-                make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
+                make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
                 # Cross compile kernel modules
-                if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
+                if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
-                  make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
+                  make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
                 fi
               fi
               # Install kernel modules
               if [ "$ENABLE_REDUCE" = true ] ; then
-                if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
+                if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
                 fi
               else
-                if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
+                if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
                 fi
                 # Install kernel firmware
-                if [ $(grep "^firmware_install:" "${KERNEL_DIR}/Makefile") ] ; then
+                if [ "$(grep "^firmware_install:" "${KERNEL_DIR}/Makefile")" ] ; then
                   make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
                 fi
               fi
                 rm -fr "${KERNEL_DIR}"
               else
                 # Prepare compiled kernel modules
-                if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
+                if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then
-                  if [ $(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile") ] ; then
+                  if [ "$(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile")" ] ; then
                     make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
                   fi
               chroot_exec apt-get -qq -y install flash-kernel
               # Check if kernel installation was successful
-              VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)"
+              VMLINUZ="$(ls -1 "${R}"/boot/vmlinuz-* | sort | tail -n 1)"
               if [ -z "$VMLINUZ" ] ; then
                 echo "error: kernel installation failed! (/boot/vmlinuz-* not found)"
                 cleanup

bootstrap.d/14-fstab.sh +1 -1

                 printf "#\n# CRYPTSETUP: [ y | n ]\n#\n\nCRYPTSETUP=y\n" >> "${ETC_DIR}/initramfs-tools/conf-hook"
                 # Dummy mapping required by mkinitramfs
-                echo "0 1 crypt $(echo ${CRYPTFS_CIPHER} | cut -d ':' -f 1) ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 7:0 4096" | chroot_exec dmsetup create "${CRYPTFS_MAPPING}"
+                echo "0 1 crypt $(echo "${CRYPTFS_CIPHER}" | cut -d ':' -f 1) ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 7:0 4096" | chroot_exec dmsetup create "${CRYPTFS_MAPPING}"
                 # Generate initramfs with encrypted root partition support
                 chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}"

bootstrap.d/15-rpi-config.sh +10 -10

             if [ "$BUILD_KERNEL" = true ] ; then
               if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then
                 # Install boot binaries from local directory
-                cp ${RPI_FIRMWARE_DIR}/boot/bootcode.bin ${BOOT_DIR}/bootcode.bin
+                cp "${RPI_FIRMWARE_DIR}"/boot/bootcode.bin "${BOOT_DIR}"/bootcode.bin
-                cp ${RPI_FIRMWARE_DIR}/boot/fixup.dat ${BOOT_DIR}/fixup.dat
+                cp "${RPI_FIRMWARE_DIR}"/boot/fixup.dat "${BOOT_DIR}"/fixup.dat
-                cp ${RPI_FIRMWARE_DIR}/boot/fixup_cd.dat ${BOOT_DIR}/fixup_cd.dat
+                cp "${RPI_FIRMWARE_DIR}"/boot/fixup_cd.dat "${BOOT_DIR}"/fixup_cd.dat
-                cp ${RPI_FIRMWARE_DIR}/boot/fixup_x.dat ${BOOT_DIR}/fixup_x.dat
+                cp "${RPI_FIRMWARE_DIR}"/boot/fixup_x.dat "${BOOT_DIR}"/fixup_x.dat
-                cp ${RPI_FIRMWARE_DIR}/boot/start.elf ${BOOT_DIR}/start.elf
+                cp "${RPI_FIRMWARE_DIR}"/boot/start.elf "${BOOT_DIR}"/start.elf
-                cp ${RPI_FIRMWARE_DIR}/boot/start_cd.elf ${BOOT_DIR}/start_cd.elf
+                cp "${RPI_FIRMWARE_DIR}"/boot/start_cd.elf "${BOOT_DIR}"/start_cd.elf
-                cp ${RPI_FIRMWARE_DIR}/boot/start_x.elf ${BOOT_DIR}/start_x.elf
+                cp "${RPI_FIRMWARE_DIR}"/boot/start_x.elf "${BOOT_DIR}"/start_x.elf
               else
                 # Create temporary directory for boot binaries
                 temp_dir=$(as_nobody mktemp -d)
             # Add encrypted root partition to cmdline.txt
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               if [ "$ENABLE_SPLITFS" = true ] ; then
-                CMDLINE=$(echo ${CMDLINE} | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
+                CMDLINE=$(echo "${CMDLINE}" | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
               else
-                CMDLINE=$(echo ${CMDLINE} | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
+                CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
               fi
             fi
             fi
             # Disable RPi2/3 under-voltage warnings
-            if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
+            if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
               echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt"
             fi

bootstrap.d/16-videocore.sh +2 -2

               fi
               cmake -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_BUILD_TYPE=release -DARM64=ON -DCMAKE_C_COMPILER=aarch64-linux-gnu-gcc -DCMAKE_CXX_COMPILER=aarch64-linux-gnu-g++ -DCMAKE_ASM_COMPILER=aarch64-linux-gnu-gcc -DVIDEOCORE_BUILD_DIR="${R}"/opt/vc
-              make -j $(nproc)
+              make -j "$(nproc)"
-              chroot_exec PATH=${PATH}:/opt/vc/bin
+              chroot_exec PATH="${PATH}":/opt/vc/bin
             fi

bootstrap.d/20-networking.sh +3 -3

             fi
             # Enable time sync
-            if [ "NET_NTP_1" != "" ] ; then
+            if [ "$NET_NTP_1" != "" ] ; then
               chroot_exec systemctl enable systemd-timesyncd.service
             fi
             # Download the firmware binary blob required to use the RPi3 wireless interface
             if [ "$ENABLE_WIRELESS" = true ] ; then
-              if [ ! -d ${WLAN_FIRMWARE_DIR} ] ; then
+              if [ ! -d "${WLAN_FIRMWARE_DIR}" ] ; then
-            	mkdir -p ${WLAN_FIRMWARE_DIR}
+            	mkdir -p "${WLAN_FIRMWARE_DIR}"
               fi
               # Create temporary directory for firmware binary blob

rpi23-gen-image.sh +30 -30

             . ./functions.sh
             # Load parameters from configuration template file
-            if [ ! -z "$CONFIG_TEMPLATE" ] ; then
+            if [ -n "$CONFIG_TEMPLATE" ] ; then
               use_template
             fi
             fi
             # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
-            if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
+            if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
               if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
                 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
                 exit 1
             fi
             # Check if root SSH (v2) public key file exists
-            if [ ! -z "$SSH_ROOT_PUB_KEY" ] ; then
+            if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
               if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
                 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
                 exit 1
             fi
             # Check if $USER_NAME SSH (v2) public key file exists
-            if [ ! -z "$SSH_USER_PUB_KEY" ] ; then
+            if [ -n "$SSH_USER_PUB_KEY" ] ; then
               if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
                 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
                 exit 1
             # Check if all required packages are installed on the build system
             for package in $REQUIRED_PACKAGES ; do
-              if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
+              if [ "$(dpkg-query -W -f='${Status}' $package)" != "install ok installed" ] ; then
                 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
               fi
             done
               echo "the following packages needed by this script are not installed:"
               echo "$MISSING_PACKAGES"
-              echo -n "\ndo you want to install the missing packages right now? [y/n] "
+              printf "\n\ndo you want to install the missing packages right now? [y/n] "
-              read confirm
+              read -r confirm
               [ "$confirm" != "y" ] && exit 1
               # Make sure all missing required packages are installed
-              apt-get -qq -y install ${MISSING_PACKAGES}
+              apt-get -qq -y install "${MISSING_PACKAGES}"
             fi
             # Check if ./bootstrap.d directory exists
             mkdir -p "${R}"
             # Check if build directory has enough of free disk space >512MB
-            if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
+            if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
               echo "error: ${BUILDDIR} not enough space left to generate the output image!"
               exit 1
             fi
               # Add dropbear package instead of openssh-server
               if [ "$REDUCE_SSHD" = true ] ; then
-                APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
+                APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
               fi
             fi
             fi
             # Calculate size of the chroot directory in KB
-            CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
+            CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
             # Calculate the amount of needed 512 Byte sectors
             TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
             FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
-            ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
+            ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
             # The root partition is EXT4
             # This means more space than the actual used space of the chroot is used.
             # As overhead for journaling and reserved blocks 35% are added.
-            ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 35) \* 1024 \/ 512)
+            ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
             # Calculate required image size in 512 Byte sectors
-            IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
+            IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
             # Prepare image file
             if [ "$ENABLE_SPLITFS" = true ] ; then
-              dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=${TABLE_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
-              dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
-              dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=${TABLE_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
-              dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
               # Write firmware/boot partition tables
               sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
             EOM
               # Setup temporary loop devices
-              FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME-frmw.img)"
+              FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME-frmw.img")"
-              ROOT_LOOP="$(losetup -o 1M -f --show $IMAGE_NAME-root.img)"
+              ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME-root.img")"
             else # ENABLE_SPLITFS=false
-              dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=${TABLE_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
-              dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek=${IMAGE_SECTORS}
+              dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
               # Write partition table
               sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
             EOM
               # Setup temporary loop devices
-              FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME.img)"
+              FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME.img")"
-              ROOT_LOOP="$(losetup -o 65M -f --show $IMAGE_NAME.img)"
+              ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME.img")"
             fi
             if [ "$ENABLE_CRYPTFS" = true ] ; then
               ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
               # Wipe encrypted partition (encryption cipher is used for randomness)
-              dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
+              dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
             fi
             # Build filesystems
               bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
               # Image was successfully created
-              echo "$IMAGE_NAME-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
+              echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
-              echo "$IMAGE_NAME-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
+              echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
             else
               # Create block map file for "bmaptool"
               bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
               # Image was successfully created
-              echo "$IMAGE_NAME.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
+              echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
               # Create qemu qcow2 image
               if [ "$ENABLE_QEMU" = true ] ; then
                 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
                 QEMU_SIZE=16G
-                qemu-img convert -f raw -O qcow2 $IMAGE_NAME.img $QEMU_IMAGE.qcow2
+                qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
-                qemu-img resize $QEMU_IMAGE.qcow2 $QEMU_SIZE
+                qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
                 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
               fi

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