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#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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#
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# Generate a squashfs root and manifest
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set -x
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echo "032-installer-squashfs.binary"
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case $IMAGE_TARGETS in
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""|*squashfs*)
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;;
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*)
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echo "Skipping squashfs build"
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exit 0
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;;
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esac
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if [ -n "$SUBARCH" ]; then
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echo "Skipping rootfs build for subarch flavor build"
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exit 0
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fi
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. config/functions
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. config/common
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# somehow i don't have LB_DISTRIBUTION set ?!
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. config/bootstrap
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FILESYSTEM_ROOT=binary/boot/squashfs.dir
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INSTALLER_ROOT=binary/boot/installer.squashfs.dir
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OVERLAY_ROOT=binary/overlay
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mkdir -p "$INSTALLER_ROOT" "$OVERLAY_ROOT"
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# Create an installer squashfs layer
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mount_overlay "$FILESYSTEM_ROOT/" "$OVERLAY_ROOT/" "$INSTALLER_ROOT/"
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setup_mountpoint binary/boot/squashfs.dir
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# Override JobRunningTimeoutSec to 0s on the .device unit that
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# subiquity_config.mount depends on to avoid a 5s delay on switching
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# to a new VT when there is no device there (LP: #1750117).
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# It would be better to have this in ../includes.binary/overlay but
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# you can't have backslashes in filenames in bzr branches!
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DEVICE_UNIT_NAME='dev-disk-by\x2duuid-00c629d6\x2d06ab\x2d4dfd\x2db21e\x2dc3186f34105d.device'
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mkdir -p "$INSTALLER_ROOT/etc/systemd/system/$DEVICE_UNIT_NAME.d"
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cat > "$INSTALLER_ROOT/etc/systemd/system/$DEVICE_UNIT_NAME.d/override.conf" <<EOF
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[Unit]
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JobRunningTimeoutSec=0s
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Wants=subiquity_config.mount
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EOF
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# Prepare installer layer.
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# Install casper for live session magic.
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chroot $INSTALLER_ROOT apt-get -y install lupin-casper
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# Install linux-firmware for kernel to upload into hardware.
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chroot $INSTALLER_ROOT apt-get -y install linux-firmware
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chroot $INSTALLER_ROOT apt-get clean
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# For bug #1743643 "Install to dirty disk with swap fails" remove the
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# "helpful" casper script that mounts any swap partitions it finds.
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rm -f $INSTALLER_ROOT/usr/share/initramfs-tools/scripts/casper-bottom/*swap
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# Don't let cloud-init run in the live session.
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touch $INSTALLER_ROOT/etc/cloud/cloud-init.disabled
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# Preseed subiquity into installer layer
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snap_prepare $INSTALLER_ROOT
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snap_preseed $INSTALLER_ROOT subiquity/classic
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# Drop lxd from the installer layer preseed
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sed -i -e'N;/name: lxd/,+2d' $INSTALLER_ROOT/var/lib/snapd/seed/seed.yaml
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teardown_mountpoint "$INSTALLER_ROOT"
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squashfs_f="${PWD}/livecd.${PROJECT}.installer.squashfs"
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(cd "$OVERLAY_ROOT/" &&
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mksquashfs . ${squashfs_f} \
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-no-progress -xattrs -comp xz )
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