148 lines
3.9 KiB
Bash
148 lines
3.9 KiB
Bash
#!/usr/bin/env zsh
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# Copyright (c) 2016 Dyne.org Foundation
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# libdevuansdk is maintained by Ivan J. <parazyd@dyne.org>
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#
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# This file is part of libdevuansdk
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#
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# This source code is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this source code. If not, see <http://www.gnu.org/licenses/>.
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## imagine images
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vars+=(image_name bootpart rootpart)
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image_prepare_raw() {
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fn image_prepare_raw
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req=(workdir size image_name)
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ckreq || return 1
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notice "creating raw image file from zeroes..."
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dd if=/dev/zero \
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of=$workdir/${image_name}.img \
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bs=1M \
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count=$size
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}
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image_partition_raw_dos() {
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fn image_partition_raw_dos
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req=(workdir image_name parted_boot parted_root)
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ckreq || return 1
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notice "partitioning raw dos image..."
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parted $workdir/${image_name}.img --script -- mklabel msdos
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parted $workdir/${image_name}.img --script -- mkpart primary ${parted_boot}
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parted $workdir/${image_name}.img --script -- mkpart primary ${parted_root}
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## get loopdevice and mapper device (see ./helpers)
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findloopmapp
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mappdevice="/dev/mapper/${mappdevice}"
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bootpart=${mappdevice}p1
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rootpart=${mappdevice}p2
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notice "formatting partitions..."
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sudo mkfs.vfat ${bootpart}
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sudo mkfs.ext4 ${rootpart}
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}
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image_partition_raw_gpt() {
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fn image_partition_raw_gpt
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req=(workdir image_name)
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ckreq || return 1
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notice "partitioning raw gpt image..."
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parted $workdir/${image_name}.img --script -- mklabel gpt || zerr
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cgpt create -z $workdir/${image_name}.img || zerr
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cgpt create $workdir/${image_name}.img || zerr
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cgpt add -i 1 -t kernel -b ${gpt_boot[1]} \
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-s ${gpt_boot[2]} \
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-l kernel -S 1 -T 5 -P 10 $workdir/${image_name}.img
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cgpt add -i 2 -t data -b ${gpt_root[1]} \
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-s $(expr $(cgpt show $workdir/${image_name}.img | awk '/Sec GPT table/ {print $1}') - ${gpt_root[1]}) \
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-l Root $workdir/${image_name}.img
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findloopmapp
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mappdevice="/dev/mapper/${mappdevice}"
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bootpart=${mappdevice}p1
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rootpart=${mappdevice}p2
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notice "formatting partitions..."
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sudo mkfs.ext4 -L rootfs ${rootpart}
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}
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image_pack_dist() {
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fn image_pack_dist
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req=(mappdevice loopdevice image_name strapdir workdir)
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ckreq || return 1
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notice "packaging image for dist"
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act "rechecking filesystem"
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sudo e2fsck -f ${mappdevice}p2
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sudo resize2fs ${mappdevice}p2
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sleep 2
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[[ $parted_type = gpt ]] && {
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sudo cgpt repair $loopdevice
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sleep 1
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}
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sudo kpartx -dv $loopdevice || { die "kpartx failed to remove $loopdevice"; zerr }
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sudo losetup -d $loopdevice || { die "losetup failed to remove $loopdevice"; zerr }
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notice "compressing image with xz"
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silly
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pushd $workdir
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xz -zv ${image_name}.img
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notice "generating sha256 for ${image_name}.img.xz"
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sha256sum ${image_name}.img.xz > ${image_name}.img.xz.sha
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mkdir -p $R/dist
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mv -v ${image_name}.img.xz $R/dist/
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mv -v ${image_name}.img.xz.sha $R/dist/
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popd
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[[ $DEBUG = 1 ]] || { sudo rm -r $workdir }
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notice "finished packing $image_name"
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act "find it in $R/dist/"
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act "thanks for being patient!"
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}
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image_raw_mount() {
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fn image_raw_mount
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req=(workdir bootpart rootpart)
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ckreq || return 1
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mkdir -p $workdir/boot $workdir/root
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sudo mount $bootpart $workdir/boot && act "mounted boot partition" || zerr
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sudo mount $rootpart $workdir/root && act "mounted root partition" || zerr
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}
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image_raw_umount() {
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fn image_raw_umount
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req=(workdir bootpart rootpart)
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ckreq || return 1
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sudo umount $workdir/boot && act "unmounted boot partition" || zerr
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sudo umount $workdir/root && act "unmounted root partition" || zerr
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}
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