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# Copyright (c) 2015 Igor Pecovnik, igor.pecovnik@gma**.com
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
# This file is a part of the Armbian build script
# https://github.com/armbian/build/
# Functions:
# debootstrap_ng
# create_rootfs_cache
# prepare_partitions
# update_initramfs
# create_image
# debootstrap_ng
#
debootstrap_ng()
{
display_alert "Starting rootfs and image building process for" "$BOARD $RELEASE" "info"
[[ $ROOTFS_TYPE != ext4 ]] && display_alert "Assuming $BOARD $BRANCH kernel supports $ROOTFS_TYPE" "" "wrn"
# trap to unmount stuff in case of error/manual interruption
trap unmount_on_exit INT TERM EXIT
# stage: clean and create directories
rm -rf $SDCARD $MOUNT
mkdir -p $SDCARD $MOUNT $DEST/images $SRC/cache/rootfs
# stage: verify tmpfs configuration and mount
# default maximum size for tmpfs mount is 1/2 of available RAM
# CLI needs ~1.2GiB+ (Xenial CLI), Desktop - ~2.8GiB+ (Xenial Desktop w/o HW acceleration)
# calculate and set tmpfs mount to use 2/3 of available RAM
local phymem=$(( $(awk '/MemTotal/ {print $2}' /proc/meminfo) / 1024 * 2 / 3 )) # MiB
if [[ $BUILD_DESKTOP == yes ]]; then local tmpfs_max_size=3500; else local tmpfs_max_size=1500; fi # MiB
if [[ $FORCE_USE_RAMDISK == no ]]; then local use_tmpfs=no
elif [[ $FORCE_USE_RAMDISK == yes || $phymem -gt $tmpfs_max_size ]]; then
local use_tmpfs=yes
fi
[[ -n $FORCE_TMPFS_SIZE ]] && phymem=$FORCE_TMPFS_SIZE
[[ $use_tmpfs == yes ]] && mount -t tmpfs -o size=${phymem}M tmpfs $SDCARD
# stage: prepare basic rootfs: unpack cache or create from scratch
create_rootfs_cache
# stage: install kernel and u-boot packages
# install distribution and board specific applications
install_distribution_specific
install_common
# install additional applications
[[ $EXTERNAL == yes ]] && install_external_applications
# install locally built packages
[[ $EXTERNAL_NEW == compile ]] && chroot_installpackages_local
# install from apt.armbian.com
[[ $EXTERNAL_NEW == prebuilt ]] && chroot_installpackages "yes"
# stage: user customization script
# NOTE: installing too many packages may fill tmpfs mount
customize_image
# clean up / prepare for making the image
umount_chroot "$SDCARD"
post_debootstrap_tweaks
if [[ $ROOTFS_TYPE == fel ]]; then
FEL_ROOTFS=$SDCARD/
display_alert "Starting FEL boot" "$BOARD" "info"
source $SRC/lib/fel-load.sh
else
prepare_partitions
# update initramfs to reflect any configuration changes since kernel installation
update_initramfs
create_image
fi
# stage: unmount tmpfs
[[ $use_tmpfs = yes ]] && umount $SDCARD
rm -rf $SDCARD
# remove exit trap
trap - INT TERM EXIT
} #############################################################################
# create_rootfs_cache
#
# unpacks cached rootfs for $RELEASE or creates one
#
create_rootfs_cache()
{
local packages_hash=$(get_package_list_hash)
local cache_fname=$SRC/cache/rootfs/${RELEASE}-ng-$ARCH.$packages_hash.tar.lz4
local display_name=${RELEASE}-ng-$ARCH.${packages_hash:0:3}...${packages_hash:29}.tar.lz4
if [[ -f $cache_fname && "$ROOT_FS_CREATE_ONLY" != "force" ]]; then
local date_diff=$(( ($(date +%s) - $(stat -c %Y $cache_fname)) / 86400 ))
display_alert "Extracting $display_name" "$date_diff days old" "info"
pv -p -b -r -c -N "$display_name" "$cache_fname" | lz4 -dc | tar xp --xattrs -C $SDCARD/
else
display_alert "Creating new rootfs for" "$RELEASE" "info"
# stage: debootstrap base system
if [[ $NO_APT_CACHER != yes ]]; then
# apt-cacher-ng apt-get proxy parameter
local apt_extra="-o Acquire::http::Proxy=\"http://${APT_PROXY_ADDR:-localhost:3142}\""
local apt_mirror="http://${APT_PROXY_ADDR:-localhost:3142}/$APT_MIRROR"
else
local apt_mirror="http://$APT_MIRROR"
fi
# fancy progress bars
[[ -z $OUTPUT_DIALOG ]] && local apt_extra_progress="--show-progress -o DPKG::Progress-Fancy=1"
display_alert "Installing base system" "Stage 1/2" "info"
eval 'debootstrap --include=${DEBOOTSTRAP_LIST} ${PACKAGE_LIST_EXCLUDE:+ --exclude=${PACKAGE_LIST_EXCLUDE// /,}} \
--arch=$ARCH --foreign $RELEASE $SDCARD/ $apt_mirror' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Debootstrap (stage 1/2)..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
[[ ${PIPESTATUS[0]} -ne 0 || ! -f $SDCARD/debootstrap/debootstrap ]] && exit_with_error "Debootstrap base system first stage failed"
cp /usr/bin/$QEMU_BINARY $SDCARD/usr/bin/
mkdir -p $SDCARD/usr/share/keyrings/
cp /usr/share/keyrings/debian-archive-keyring.gpg $SDCARD/usr/share/keyrings/
display_alert "Installing base system" "Stage 2/2" "info"
eval 'chroot $SDCARD /bin/bash -c "/debootstrap/debootstrap --second-stage"' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Debootstrap (stage 2/2)..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
[[ ${PIPESTATUS[0]} -ne 0 || ! -f $SDCARD/bin/bash ]] && exit_with_error "Debootstrap base system second stage failed"
mount_chroot "$SDCARD"
# policy-rc.d script prevents starting or reloading services during image creation
printf '#!/bin/sh\nexit 101' > $SDCARD/usr/sbin/policy-rc.d
chroot $SDCARD /bin/bash -c "dpkg-divert --quiet --local --rename --add /sbin/initctl"
chroot $SDCARD /bin/bash -c "dpkg-divert --quiet --local --rename --add /sbin/start-stop-daemon"
printf '#!/bin/sh\necho "Warning: Fake start-stop-daemon called, doing nothing"' > $SDCARD/sbin/start-stop-daemon
printf '#!/bin/sh\necho "Warning: Fake initctl called, doing nothing"' > $SDCARD/sbin/initctl
chmod 755 $SDCARD/usr/sbin/policy-rc.d
chmod 755 $SDCARD/sbin/initctl
chmod 755 $SDCARD/sbin/start-stop-daemon
# stage: configure language and locales
display_alert "Configuring locales" "$DEST_LANG" "info"
[[ -f $SDCARD/etc/locale.gen ]] && sed -i "s/^# $DEST_LANG/$DEST_LANG/" $SDCARD/etc/locale.gen
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "locale-gen $DEST_LANG"' ${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "update-locale LANG=$DEST_LANG LANGUAGE=$DEST_LANG LC_MESSAGES=$DEST_LANG"' \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
if [[ -f $SDCARD/etc/default/console-setup ]]; then
sed -e 's/CHARMAP=.*/CHARMAP="UTF-8"/' -e 's/FONTSIZE=.*/FONTSIZE="8x16"/' \
-e 's/CODESET=.*/CODESET="guess"/' -i $SDCARD/etc/default/console-setup
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "setupcon --save"'
fi
# stage: create apt sources list
create_sources_list "$RELEASE" "$SDCARD/"
# stage: add armbian repository and install key
echo "deb http://apt.armbian.com $RELEASE main ${RELEASE}-utils ${RELEASE}-desktop" > $SDCARD/etc/apt/sources.list.d/armbian.list
cp $SRC/config/armbian.key $SDCARD
eval 'chroot $SDCARD /bin/bash -c "cat armbian.key | apt-key add -"' \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
rm $SDCARD/armbian.key
# compressing packages list to gain some space
echo "Acquire::GzipIndexes "true"; Acquire::CompressionTypes::Order:: "gz";" > $SDCARD/etc/apt/apt.conf.d/02compress-indexes
echo "Acquire::Languages "none";" > $SDCARD/etc/apt/apt.conf.d/no-languages
# add armhf arhitecture to arm64
[[ $ARCH == arm64 ]] && eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "dpkg --add-architecture armhf"'
# this should fix resolvconf installation failure in some cases
chroot $SDCARD /bin/bash -c 'echo "resolvconf resolvconf/linkify-resolvconf boolean false" | debconf-set-selections'
# stage: update packages list
display_alert "Updating package list" "$RELEASE" "info"
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "apt-get -q -y $apt_extra update"' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Updating package lists..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
#[[ ${PIPESTATUS[0]} -ne 0 ]] && exit_with_error "Updating package lists failed"
# stage: upgrade base packages from xxx-updates and xxx-backports repository branches
display_alert "Upgrading base packages" "Armbian" "info"
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt-get -y -q \
$apt_extra $apt_extra_progress upgrade"' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Upgrading base packages..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
#[[ ${PIPESTATUS[0]} -ne 0 ]] && exit_with_error "Upgrading base packages failed"
# stage: install additional packages
display_alert "Installing packages for" "Armbian" "info"
eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "DEBIAN_FRONTEND=noninteractive apt -y -q \
$apt_extra $apt_extra_progress --no-install-recommends install $PACKAGE_LIST"' \
${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'} \
${OUTPUT_DIALOG:+' | dialog --backtitle "$backtitle" --progressbox "Installing Armbian system..." $TTY_Y $TTY_X'} \
${OUTPUT_VERYSILENT:+' >/dev/null 2>/dev/null'}
[[ ${PIPESTATUS[0]} -ne 0 ]] && exit_with_error "Installation of Armbian packages failed"
# DEBUG: print free space
echo -e "\nFree space:"
eval 'df -h' ${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'}
# stage: remove downloaded packages
chroot $SDCARD /bin/bash -c "apt-get clean"
# this is needed for the build process later since resolvconf generated file in /run is not saved
rm $SDCARD/etc/resolv.conf
echo 'nameserver 1.1.1.1' >> $SDCARD/etc/resolv.conf
# stage: make rootfs cache archive
display_alert "Ending debootstrap process and preparing cache" "$RELEASE" "info"
sync
# the only reason to unmount here is compression progress display
# based on rootfs size calculation
umount_chroot "$SDCARD"
tar cp --xattrs --directory=$SDCARD/ --exclude='./dev/*' --exclude='./proc/*' --exclude='./run/*' --exclude='./tmp/*' \
--exclude='./sys/*' . | pv -p -b -r -s $(du -sb $SDCARD/ | cut -f1) -N "$display_name" | lz4 -c > $cache_fname
# sign rootfs cache archive that it can be used for web cache once. Internal purposes
if [[ -n $GPG_PASS ]]; then
echo $GPG_PASS | gpg --passphrase-fd 0 --armor --detach-sign --pinentry-mode loopback --batch --yes $cache_fname
fi
fi
# used for internal purposes. Faster rootfs cache rebuilding
if [[ -n "$ROOT_FS_CREATE_ONLY" ]]; then
[[ $use_tmpfs = yes ]] && umount $SDCARD
rm -rf $SDCARD
# remove exit trap
trap - INT TERM EXIT
exit
fi
mount_chroot "$SDCARD"
} #############################################################################
# prepare_partitions
#
# creates image file, partitions and fs
# and mounts it to local dir
# FS-dependent stuff (boot and root fs partition types) happens here
#
prepare_partitions()
{
display_alert "Preparing image file for rootfs" "$BOARD $RELEASE" "info"
# possible partition combinations
# /boot: none, ext4, ext2, fat (BOOTFS_TYPE)
# root: ext4, btrfs, f2fs, nfs (ROOTFS_TYPE)
# declare makes local variables by default if used inside a function
# NOTE: mountopts string should always start with comma if not empty
# array copying in old bash versions is tricky, so having filesystems as arrays
# with attributes as keys is not a good idea
declare -A parttype mkopts mkfs mountopts
parttype[ext4]=ext4
parttype[ext2]=ext2
parttype[fat]=fat16
parttype[f2fs]=ext4 # not a copy-paste error
parttype[btrfs]=btrfs
# parttype[nfs] is empty
# metadata_csum and 64bit may need to be disabled explicitly when migrating to newer supported host OS releases
# TODO: Disable metadata_csum only for older releases (jessie)?
if [[ $(lsb_release -sc) == bionic ]]; then
mkopts[ext4]='-q -m 2 -O ^64bit,^metadata_csum'
elif [[ $(lsb_release -sc) == xenial ]]; then
mkopts[ext4]='-q -m 2'
fi
mkopts[fat]='-n BOOT'
mkopts[ext2]='-q'
# mkopts[f2fs] is empty
# mkopts[btrfs] is empty
# mkopts[nfs] is empty
mkfs[ext4]=ext4
mkfs[ext2]=ext2
mkfs[fat]=vfat
mkfs[f2fs]=f2fs
mkfs[btrfs]=btrfs
# mkfs[nfs] is empty
mountopts[ext4]=',commit=600,errors=remount-ro'
# mountopts[ext2] is empty
# mountopts[fat] is empty
# mountopts[f2fs] is empty
mountopts[btrfs]=',commit=600,compress=lzo'
# mountopts[nfs] is empty
# stage: determine partition configuration
if [[ -n $BOOTFS_TYPE ]]; then
# 2 partition setup with forced /boot type
local bootfs=$BOOTFS_TYPE
local bootpart=1
local rootpart=2
[[ -z $BOOTSIZE || $BOOTSIZE -le 8 ]] && BOOTSIZE=64 # MiB
elif [[ $ROOTFS_TYPE != ext4 && $ROOTFS_TYPE != nfs ]]; then
# 2 partition setup for non-ext4 local root
local bootfs=ext4
local bootpart=1
local rootpart=2
[[ -z $BOOTSIZE || $BOOTSIZE -le 8 ]] && BOOTSIZE=64 # MiB
elif [[ $ROOTFS_TYPE == nfs ]]; then
# single partition ext4 /boot, no root
local bootfs=ext4
local bootpart=1
[[ -z $BOOTSIZE || $BOOTSIZE -le 8 ]] && BOOTSIZE=64 # MiB, For cleanup processing only
elif [[ $CRYPTROOT_ENABLE == yes ]]; then
# 2 partition setup for encrypted /root and non-encrypted /boot
local bootfs=ext4
local bootpart=1
local rootpart=2
[[ -z $BOOTSIZE || $BOOTSIZE -le 8 ]] && BOOTSIZE=64 # MiB
else
# single partition ext4 root
local rootpart=1
BOOTSIZE=0
fi
# stage: calculate rootfs size
local rootfs_size=$(du -sm $SDCARD/ | cut -f1) # MiB
display_alert "Current rootfs size" "$rootfs_size MiB" "info"
if [[ -n $FIXED_IMAGE_SIZE && $FIXED_IMAGE_SIZE =~ ^[0-9]+$ ]]; then
display_alert "Using user-defined image size" "$FIXED_IMAGE_SIZE MiB" "info"
local sdsize=$FIXED_IMAGE_SIZE
# basic sanity check
if [[ $ROOTFS_TYPE != nfs && $sdsize -lt $rootfs_size ]]; then
exit_with_error "User defined image size is too small" "$sdsize <= $rootfs_size"
fi
else
local imagesize=$(( $rootfs_size + $OFFSET + $BOOTSIZE )) # MiB
case $ROOTFS_TYPE in
btrfs)
# Used for server images, currently no swap functionality, so disk space
# requirements are rather low since rootfs gets filled with compress-force=zlib
local sdsize=$(bc -l <<< "scale=0; (($imagesize * 0.8) / 4 + 1) * 4")
;;
*)
# Hardcoded overhead +25% is needed for desktop images,
# for CLI it could be lower. Align the size up to 4MiB
if [[ $BUILD_DESKTOP == yes ]]; then
local sdsize=$(bc -l <<< "scale=0; ((($imagesize * 1.30) / 1 + 0) / 4 + 1) * 4")
else
local sdsize=$(bc -l <<< "scale=0; ((($imagesize * 1.20) / 1 + 0) / 4 + 1) * 4")
fi
;;
esac
fi
# stage: create blank image
display_alert "Creating blank image for rootfs" "$sdsize MiB" "info"
dd if=/dev/zero bs=1M status=none count=$sdsize | pv -p -b -r -s $(( $sdsize * 1024 * 1024 )) | dd status=none of=${SDCARD}.raw
# stage: calculate boot partition size
local bootstart=$(($OFFSET * 2048))
local rootstart=$(($bootstart + ($BOOTSIZE * 2048)))
local bootend=$(($rootstart - 1))
# stage: create partition table
display_alert "Creating partitions" "${bootfs:+/boot: $bootfs }root: $ROOTFS_TYPE" "info"
parted -s ${SDCARD}.raw -- mklabel msdos
if [[ $ROOTFS_TYPE == nfs ]]; then
# single /boot partition
parted -s ${SDCARD}.raw -- mkpart primary ${parttype[$bootfs]} ${bootstart}s -1s
elif [[ $BOOTSIZE == 0 ]]; then
# single root partition
parted -s ${SDCARD}.raw -- mkpart primary ${parttype[$ROOTFS_TYPE]} ${rootstart}s -1s
else
# /boot partition + root partition
parted -s ${SDCARD}.raw -- mkpart primary ${parttype[$bootfs]} ${bootstart}s ${bootend}s
parted -s ${SDCARD}.raw -- mkpart primary ${parttype[$ROOTFS_TYPE]} ${rootstart}s -1s
fi
# stage: mount image
# lock access to loop devices
exec {FD}>/var/lock/armbian-debootstrap-losetup
flock -x $FD
LOOP=$(losetup -f)
[[ -z $LOOP ]] && exit_with_error "Unable to find free loop device"
check_loop_device "$LOOP"
# NOTE: losetup -P option is not available in Trusty
losetup $LOOP ${SDCARD}.raw
# loop device was grabbed here, unlock
flock -u $FD
partprobe $LOOP
# stage: create fs, mount partitions, create fstab
rm -f $SDCARD/etc/fstab
if [[ -n $rootpart ]]; then
local rootdevice="${LOOP}p${rootpart}"
if [[ $CRYPTROOT_ENABLE == yes ]]; then
display_alert "Encrypting root partition with LUKS..." "cryptsetup luksFormat $rootdevice" ""
echo -n $CRYPTROOT_PASSPHRASE | cryptsetup luksFormat $rootdevice -
echo -n $CRYPTROOT_PASSPHRASE | cryptsetup luksOpen $rootdevice $ROOT_MAPPER -
display_alert "Root partition encryption complete." "" "ext"
# TODO: pass /dev/mapper to Docker
rootdevice=/dev/mapper/$ROOT_MAPPER # used by `mkfs` and `mount` commands
fi
check_loop_device "$rootdevice"
display_alert "Creating rootfs" "$ROOTFS_TYPE on $rootdevice"
mkfs.${mkfs[$ROOTFS_TYPE]} ${mkopts[$ROOTFS_TYPE]} $rootdevice
[[ $ROOTFS_TYPE == ext4 ]] && tune2fs -o journal_data_writeback $rootdevice > /dev/null
[[ $ROOTFS_TYPE == btrfs ]] && local fscreateopt="-o compress-force=zlib"
mount ${fscreateopt} $rootdevice $MOUNT/
# create fstab (and crypttab) entry
if [[ $CRYPTROOT_ENABLE == yes ]]; then
# map the LUKS container partition via its UUID to be the 'cryptroot' device
echo "$ROOT_MAPPER UUID=$(blkid -s UUID -o value ${LOOP}p${rootpart}) none luks" >> $SDCARD/etc/crypttab
local rootfs=$rootdevice # used in fstab
else
local rootfs="UUID=$(blkid -s UUID -o value $rootdevice)"
fi
echo "$rootfs / ${mkfs[$ROOTFS_TYPE]} defaults,noatime,nodiratime${mountopts[$ROOTFS_TYPE]} 0 1" >> $SDCARD/etc/fstab
fi
if [[ -n $bootpart ]]; then
display_alert "Creating /boot" "$bootfs"
check_loop_device "${LOOP}p${bootpart}"
mkfs.${mkfs[$bootfs]} ${mkopts[$bootfs]} ${LOOP}p${bootpart}
mkdir -p $MOUNT/boot/
mount ${LOOP}p${bootpart} $MOUNT/boot/
echo "UUID=$(blkid -s UUID -o value ${LOOP}p${bootpart}) /boot ${mkfs[$bootfs]} defaults${mountopts[$bootfs]} 0 2" >> $SDCARD/etc/fstab
fi
[[ $ROOTFS_TYPE == nfs ]] && echo "/dev/nfs / nfs defaults 0 0" >> $SDCARD/etc/fstab
echo "tmpfs /tmp tmpfs defaults,nosuid 0 0" >> $SDCARD/etc/fstab
# stage: adjust boot script or boot environment
if [[ -f $SDCARD/boot/armbianEnv.txt ]]; then
if [[ $CRYPTROOT_ENABLE == yes ]]; then
echo "rootdev=$rootdevice cryptdevice=UUID=$(blkid -s UUID -o value ${LOOP}p${rootpart}):$ROOT_MAPPER" >> $SDCARD/boot/armbianEnv.txt
else
echo "rootdev=$rootfs" >> $SDCARD/boot/armbianEnv.txt
fi
echo "rootfstype=$ROOTFS_TYPE" >> $SDCARD/boot/armbianEnv.txt
elif [[ $rootpart != 1 ]]; then
local bootscript_dst=${BOOTSCRIPT##*:}
sed -i 's/mmcblk0p1/mmcblk0p2/' $SDCARD/boot/$bootscript_dst
sed -i -e "s/rootfstype=ext4/rootfstype=$ROOTFS_TYPE/" \
-e "s/rootfstype \"ext4\"/rootfstype \"$ROOTFS_TYPE\"/" $SDCARD/boot/$bootscript_dst
fi
# if we have boot.ini = remove armbianEnv.txt and add UUID there if enabled
if [[ -f $SDCARD/boot/boot.ini ]]; then
sed -i -e "s/rootfstype \"ext4\"/rootfstype \"$ROOTFS_TYPE\"/" $SDCARD/boot/boot.ini
if [[ $CRYPTROOT_ENABLE == yes ]]; then
local rootpart="UUID=$(blkid -s UUID -o value ${LOOP}p${rootpart})"
sed -i 's/^setenv rootdev .*/setenv rootdev "\/dev\/mapper\/'$ROOT_MAPPER' cryptdevice='$rootpart':'$ROOT_MAPPER'"/' $SDCARD/boot/boot.ini
else
sed -i 's/^setenv rootdev .*/setenv rootdev "'$rootfs'"/' $SDCARD/boot/boot.ini
fi
[[ -f $SDCARD/boot/armbianEnv.txt ]] && rm $SDCARD/boot/armbianEnv.txt
fi
# recompile .cmd to .scr if boot.cmd exists
[[ -f $SDCARD/boot/boot.cmd ]] && \
mkimage -C none -A arm -T script -d $SDCARD/boot/boot.cmd $SDCARD/boot/boot.scr > /dev/null 2>&1
} #############################################################################
# update_initramfs
#
# this should be invoked as late as possible for any modifications by
# customize_image (userpatches) and prepare_partitions to be reflected in the
# final initramfs
#
# especially, this needs to be invoked after /etc/crypttab has been created
# for cryptroot-unlock to work:
# https://serverfault.com/questions/907254/cryproot-unlock-with-dropbear-timeout-while-waiting-for-askpass
#
update_initramfs() {
update_initramfs_cmd="update-initramfs -uv -k ${VER}-${LINUXFAMILY}"
display_alert "Updating initramfs..." "$update_initramfs_cmd" ""
cp /usr/bin/$QEMU_BINARY $SDCARD/usr/bin/
mount_chroot "$SDCARD/"
chroot $SDCARD /bin/bash -c "$update_initramfs_cmd" >> $DEST/debug/install.log 2>&1
display_alert "Updated initramfs." "for details see: $DEST/debug/install.log" "ext"
umount_chroot "$SDCARD/"
rm $SDCARD/usr/bin/$QEMU_BINARY
} #############################################################################
# create_image
#
# finishes creation of image from cached rootfs
#
create_image()
{
# stage: create file name
local version="Armbian_${REVISION}_${BOARD^}_${DISTRIBUTION}_${RELEASE}_${BRANCH}_${VER/-$LINUXFAMILY/}"
[[ $BUILD_DESKTOP == yes ]] && version=${version}_desktop
[[ $ROOTFS_TYPE == nfs ]] && version=${version}_nfsboot
if [[ $ROOTFS_TYPE != nfs ]]; then
display_alert "Copying files to root directory"
rsync -aHWXh --exclude="/boot/*" --exclude="/dev/*" --exclude="/proc/*" --exclude="/run/*" --exclude="/tmp/*" \
--exclude="/sys/*" --info=progress2,stats1 $SDCARD/ $MOUNT/
else
display_alert "Creating rootfs archive" "rootfs.tgz" "info"
tar cp --xattrs --directory=$SDCARD/ --exclude='./boot/*' --exclude='./dev/*' --exclude='./proc/*' --exclude='./run/*' --exclude='./tmp/*' \
--exclude='./sys/*' . | pv -p -b -r -s $(du -sb $SDCARD/ | cut -f1) -N "rootfs.tgz" | gzip -c > $DEST/images/${version}-rootfs.tgz
fi
# stage: rsync /boot
display_alert "Copying files to /boot directory"
if [[ $(findmnt --target $MOUNT/boot -o FSTYPE -n) == vfat ]]; then
# fat32
rsync -rLtWh --info=progress2,stats1 $SDCARD/boot $MOUNT
else
# ext4
rsync -aHWXh --info=progress2,stats1 $SDCARD/boot $MOUNT
fi
# DEBUG: print free space
display_alert "Free space:" "SD card" "info"
eval 'df -h' ${PROGRESS_LOG_TO_FILE:+' | tee -a $DEST/debug/debootstrap.log'}
# stage: write u-boot
write_uboot $LOOP
# fix wrong / permissions
chmod 755 $MOUNT
# unmount /boot first, rootfs second, image file last
sync
[[ $BOOTSIZE != 0 ]] && umount -l $MOUNT/boot
[[ $ROOTFS_TYPE != nfs ]] && umount -l $MOUNT
[[ $CRYPTROOT_ENABLE == yes ]] && cryptsetup luksClose $ROOT_MAPPER
losetup -d $LOOP
rm -rf --one-file-system $DESTIMG $MOUNT
mkdir -p $DESTIMG
cp $SDCARD/etc/armbian.txt $DESTIMG
mv ${SDCARD}.raw $DESTIMG/${version}.img
if [[ $COMPRESS_OUTPUTIMAGE == yes && $BUILD_ALL != yes ]]; then
[[ -f $DEST/images/$CRYPTROOT_SSH_UNLOCK_KEY_NAME ]] && cp $DEST/images/$CRYPTROOT_SSH_UNLOCK_KEY_NAME $DESTIMG/
# compress image
cd $DESTIMG
sha256sum -b ${version}.img > sha256sum.sha
if [[ -n $GPG_PASS ]]; then
echo $GPG_PASS | gpg --passphrase-fd 0 --armor --detach-sign --pinentry-mode loopback --batch --yes ${version}.img
fi
display_alert "Compressing" "$DEST/images/${version}.img" "info"
7za a -t7z -bd -m0=lzma2 -mx=3 -mfb=64 -md=32m -ms=on $DEST/images/${version}.7z ${version}.key ${version}.img armbian.txt *.asc sha256sum.sha >/dev/null 2>&1
fi
#
if [[ $BUILD_ALL != yes ]]; then
mv $DESTIMG/${version}.img $DEST/images/${version}.img
rm -rf $DESTIMG
fi
display_alert "Done building" "$DEST/images/${version}.img" "info"
# call custom post build hook
[[ $(type -t post_build_image) == function ]] && post_build_image "$DEST/images/${version}.img"
# write image to SD card
if [[ -e "$CARD_DEVICE" && -f $DEST/images/${version}.img && $COMPRESS_OUTPUTIMAGE != yes ]]; then
display_alert "Writing image" "$CARD_DEVICE" "info"
etcher $DEST/images/${version}.img -d $CARD_DEVICE -y
if [ $? -eq 0 ]; then
display_alert "Writing succeeded" "${version}.img" "info"
else
display_alert "Writing failed" "${version}.img" "err"
fi
fi
} #############################################################################