Raspi2-3_GenImage Commit - r682:5c28bdd8c2ea · Collaboration Tremplin des Sciences

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# This file contains utility functions used by rpi23-gen-image.sh

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# This file contains utility functions used by rpi23-gen-image.sh

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cleanup (){

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cleanup (){

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set +x

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set +x

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set +e

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set +e

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# Remove exports from nexmon

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# Remove exports from nexmon

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unset KERNEL

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unset KERNEL

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unset ARCH

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unset ARCH

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unset SUBARCH

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unset SUBARCH

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unset CCPLUGIN

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unset CCPLUGIN

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unset ZLIBFLATE

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unset ZLIBFLATE

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unset Q

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unset Q

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unset NEXMON_SETUP_ENV

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unset NEXMON_SETUP_ENV

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unset HOSTUNAME

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unset HOSTUNAME

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unset PLATFORMUNAME

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unset PLATFORMUNAME

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# Identify and kill all processes still using files

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# Identify and kill all processes still using files

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echo "killing processes using mount point ..."

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echo "killing processes using mount point ..."

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fuser -k "${R}"

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fuser -k "${R}"

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sleep 3

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sleep 3

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fuser -9 -k -v "${R}"

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fuser -9 -k -v "${R}"

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# Clean up temporary .password file

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# Clean up temporary .password file

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if [ -r ".password" ] ; then

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if [ -r ".password" ] ; then

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shred -zu .password

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shred -zu .password

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fi

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fi

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# Clean up all temporary mount points

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# Clean up all temporary mount points

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echo "removing temporary mount points ..."

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echo "removing temporary mount points ..."

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umount -l "${R}/proc" 2> /dev/null

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umount -l "${R}/proc" 2> /dev/null

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umount -l "${R}/sys" 2> /dev/null

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umount -l "${R}/sys" 2> /dev/null

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umount -l "${R}/dev/pts" 2> /dev/null

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umount -l "${R}/dev/pts" 2> /dev/null

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umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null

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umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null

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umount "$BUILDDIR/mount" 2> /dev/null

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umount "$BUILDDIR/mount" 2> /dev/null

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cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null

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cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null

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losetup -d "$ROOT_LOOP" 2> /dev/null

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losetup -d "$ROOT_LOOP" 2> /dev/null

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losetup -d "$FRMW_LOOP" 2> /dev/null

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losetup -d "$FRMW_LOOP" 2> /dev/null

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trap - 0 1 2 3 6

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trap - 0 1 2 3 6

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}

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}

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chroot_exec() {

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chroot_exec() {

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# Exec command in chroot

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# Exec command in chroot

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LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@"

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LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@"

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}

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}

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as_nobody() {

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as_nobody() {

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# Exec command as user nobody

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# Exec command as user nobody

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sudo -E -u nobody LANG=C LC_ALL=C "$@"

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sudo -E -u nobody LANG=C LC_ALL=C "$@"

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}

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}

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install_readonly() {

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install_readonly() {

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# Install file with user read-only permissions

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# Install file with user read-only permissions

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install -o root -g root -m 644 "$@"

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install -o root -g root -m 644 "$@"

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}

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}

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install_exec() {

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install_exec() {

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# Install file with root exec permissions

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# Install file with root exec permissions

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install -o root -g root -m 744 "$@"

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install -o root -g root -m 744 "$@"

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}

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}

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use_template () {

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use_template () {

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# Test if configuration template file exists

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# Test if configuration template file exists

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if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then

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if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then

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echo "error: configuration template ${CONFIG_TEMPLATE} not found"

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echo "error: configuration template ${CONFIG_TEMPLATE} not found"

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exit 1

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exit 1

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fi

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fi

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# Load template configuration parameters

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# Load template configuration parameters

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. "./templates/${CONFIG_TEMPLATE}"

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. "./templates/${CONFIG_TEMPLATE}"

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}

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}

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chroot_install_cc() {

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chroot_install_cc() {

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# Install c/c++ build environment inside the chroot

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# Install c/c++ build environment inside the chroot

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if [ -z "${COMPILER_PACKAGES}" ] ; then

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if [ -z "${COMPILER_PACKAGES}" ] ; then

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COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }')

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COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }')

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# Install COMPILER_PACKAGES in chroot - NEVER do "${COMPILER_PACKAGES}" -> breaks uboot

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# Install COMPILER_PACKAGES in chroot - NEVER do "${COMPILER_PACKAGES}" -> breaks uboot

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chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install ${COMPILER_PACKAGES}

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chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install ${COMPILER_PACKAGES}

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fi

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fi

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}

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}

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chroot_remove_cc() {

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chroot_remove_cc() {

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# Remove c/c++ build environment from the chroot

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# Remove c/c++ build environment from the chroot

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if [ -n "${COMPILER_PACKAGES}" ] ; then

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if [ -n "${COMPILER_PACKAGES}" ] ; then

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chroot_exec apt-get -qq -y --auto-remove purge ${COMPILER_PACKAGES}

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chroot_exec apt-get -qq -y --auto-remove purge ${COMPILER_PACKAGES}

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COMPILER_PACKAGES=""

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COMPILER_PACKAGES=""

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fi

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fi

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}

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}

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# https://serverfault.com/a/682849 - converts e.g. /24 to 255.255.255.0

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# https://serverfault.com/a/682849 - converts e.g. /24 to 255.255.255.0

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cdr2mask ()

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cdr2mask ()

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{

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{

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# Number of args to shift, 255..255, first non-255 byte, zeroes

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# Number of args to shift, 255..255, first non-255 byte, zeroes

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set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0

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set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0

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[ $1 -gt 1 ] && shift $1 || shift

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[ $1 -gt 1 ] && shift $1 || shift

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echo ${1-0}.${2-0}.${3-0}.${4-0}

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echo ${1-0}.${2-0}.${3-0}.${4-0}

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}

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}

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# GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh

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# GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh

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set_kernel_config() {

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set_kernel_config() {

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# flag as $1, value to set as $2, config must exist at "./.config"

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# flag as $1, value to set as $2, config must exist at "./.config"

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TGT="CONFIG_${1#CONFIG_}"

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TGT="CONFIG_${1#CONFIG_}"

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REP="${2}"

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REP="${2}"

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if grep -q "^${TGT}[^_]" .config; then

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if [ grep -q "^${TGT}[^_]" .config ] ; then

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sed -i "s/^$${TGT}=.*\|# ${TGT} is not set$/${TGT}=${REP}/" .config

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sed -i "s/^$${TGT}=.*\|# ${TGT} is not set$/${TGT}=${REP}/" .config

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else

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else

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echo "${TGT}"="${2}" >> .config

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echo "${TGT}"="${2}" >> .config

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fi

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fi

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}

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}

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# unset kernel config parameter

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# unset kernel config parameter

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unset_kernel_config() {

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unset_kernel_config() {

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# unsets flag with the value of $1, config must exist at "./.config"

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# unsets flag with the value of $1, config must exist at "./.config"

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TGT="CONFIG_${1#CONFIG_}"

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TGT="CONFIG_${1#CONFIG_}"

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sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config

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sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config

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} No newline at end of file

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}

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             # This file contains utility functions used by rpi23-gen-image.sh
             cleanup (){
               set +x
               set +e
               # Remove exports from nexmon
               unset KERNEL
               unset ARCH
               unset SUBARCH
               unset CCPLUGIN
               unset ZLIBFLATE
               unset Q
               unset NEXMON_SETUP_ENV
               unset HOSTUNAME
               unset PLATFORMUNAME
               # Identify and kill all processes still using files
               echo "killing processes using mount point ..."
               fuser -k "${R}"
               sleep 3
               fuser -9 -k -v "${R}"
               # Clean up temporary .password file
               if [ -r ".password" ] ; then
                 shred -zu .password
               fi
               # Clean up all temporary mount points
               echo "removing temporary mount points ..."
               umount -l "${R}/proc" 2> /dev/null
               umount -l "${R}/sys" 2> /dev/null
               umount -l "${R}/dev/pts" 2> /dev/null
               umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null
               umount "$BUILDDIR/mount" 2> /dev/null
               cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null
               losetup -d "$ROOT_LOOP" 2> /dev/null
               losetup -d "$FRMW_LOOP" 2> /dev/null
               trap - 0 1 2 3 6
             }
             chroot_exec() {
               # Exec command in chroot
               LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@"
             }
             as_nobody() {
               # Exec command as user nobody
               sudo -E -u nobody LANG=C LC_ALL=C "$@"
             }
             install_readonly() {
               # Install file with user read-only permissions
               install -o root -g root -m 644 "$@"
             }
             install_exec() {
               # Install file with root exec permissions
               install -o root -g root -m 744 "$@"
             }
             use_template () {
               # Test if configuration template file exists
               if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then
                 echo "error: configuration template ${CONFIG_TEMPLATE} not found"
                 exit 1
               fi
               # Load template configuration parameters
               . "./templates/${CONFIG_TEMPLATE}"
             }
             chroot_install_cc() {
               # Install c/c++ build environment inside the chroot
               if [ -z "${COMPILER_PACKAGES}" ] ; then
                 COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }')
             	# Install COMPILER_PACKAGES in chroot - NEVER do "${COMPILER_PACKAGES}" -> breaks uboot
                 chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install ${COMPILER_PACKAGES}
               fi
             }
             chroot_remove_cc() {
               # Remove c/c++ build environment from the chroot
               if [ -n "${COMPILER_PACKAGES}" ] ; then
                 chroot_exec apt-get -qq -y --auto-remove purge ${COMPILER_PACKAGES}
                 COMPILER_PACKAGES=""
               fi
             }
             # https://serverfault.com/a/682849 - converts e.g. /24 to 255.255.255.0
             cdr2mask ()
             {
                # Number of args to shift, 255..255, first non-255 byte, zeroes
                set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
                [ $1 -gt 1 ] && shift $1 || shift
                echo ${1-0}.${2-0}.${3-0}.${4-0}
             }
             # GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh
             set_kernel_config() {
               # flag as $1, value to set as $2, config must exist at "./.config"
               TGT="CONFIG_${1#CONFIG_}"
               REP="${2}"
-              if grep -q "^${TGT}[^_]" .config; then
+              if [ grep -q "^${TGT}[^_]" .config ] ; then
                 sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config
               else
                 echo "${TGT}"="${2}" >> .config
               fi
             }
             # unset kernel config parameter
             unset_kernel_config() {
               # unsets flag with the value of $1, config must exist at "./.config"
               TGT="CONFIG_${1#CONFIG_}"
               sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config
             }