#!/bin/bash set -x set -e # Build fs, image # This file is part of PrawnOS (https://www.prawnos.com) # Copyright (c) 2018 Hal Emmerich # PrawnOS is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 # as published by the Free Software Foundation. # PrawnOS is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with PrawnOS. If not, see . #Ensure Sudo if [ ! $UID = "0" ] then echo "Please run this script with sudo, or as root:" echo "sudo $0 $*" exit 1 fi if [ -z "$1" ] then echo "No kernel version supplied" exit 1 fi if [ -z "$2" ] then echo "No debian suite supplied" exit 1 fi if [ -z "$3" ] then echo "No base file system image filename supplied" exit 1 fi if [ -z "$4" ] then echo "No prawnos_root path supplied" exit 1 fi if [ -z "$5" ] then echo "No shared scripts path supplied" exit 1 fi KVER=$1 DEBIAN_SUITE=$2 BASE=$3 PRAWNOS_ROOT=$4 PRAWNOS_SHARED_SCRIPTS=$5 outmnt=$(mktemp -d -p "$(pwd)") outdev=/dev/loop5 install_resources=resources/InstallResources build_resources=resources/BuildResources # Import the package lists, shared scripts source $PRAWNOS_SHARED_SCRIPTS/* #A hacky way to ensure the loops are properly unmounted and the temp files are properly deleted. #Without this, a reboot is sometimes required to properly clean the loop devices and ensure a clean build cleanup() { set +e umount -l $outmnt > /dev/null 2>&1 rmdir $outmnt > /dev/null 2>&1 losetup -d $outdev > /dev/null 2>&1 umount -l $outmnt > /dev/null 2>&1 rmdir $outmnt > /dev/null 2>&1 losetup -d $outdev > /dev/null 2>&1 #delete the base file, we didn't complete our work rm -rf $BASE echo "FILESYSTEM BUILD FAILED" exit 1 } trap cleanup INT TERM EXIT #layout the partitons and write filesystem information create_image() { dd if=/dev/zero of=$1 bs=$3 count=$4 conv=sparse parted --script $1 mklabel gpt cgpt create $1 kernel_start=8192 kernel_size=65536 cgpt add -i 1 -t kernel -b $kernel_start -s $kernel_size -l Kernel -S 1 -T 5 -P 10 $1 #Now the main filesystem root_start=$(($kernel_start + $kernel_size)) end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'` root_size=$(($end - $root_start)) cgpt add -i 2 -t data -b $root_start -s $root_size -l Root $1 # $root_size is in 512 byte blocks while ext4 uses a block size of 1024 bytes losetup -P $2 $1 mkfs.ext4 -F -b 1024 ${2}p2 $(($root_size / 2)) # mount the / partition mount -o noatime ${2}p2 $5 } # create a 2GB image with the Chrome OS partition layout create_image $BASE $outdev 50M 40 $outmnt # use default debootstrap mirror if none is specified if [ "$PRAWNOS_DEBOOTSTRAP_MIRROR" = "" ] then PRAWNOS_DEBOOTSTRAP_MIRROR=http://ftp.us.debian.org/debian fi # install Debian on it export DEBIAN_FRONTEND=noninteractive # need ca-certs, gnupg, openssl to handle https apt links and key adding for deb.prawnos.com printf -v debootstrap_debs_install_joined '%s,' "${debootstrap_debs_install[@]}" qemu-debootstrap --arch armhf $DEBIAN_SUITE \ --include ${debootstrap_debs_install_joined%,} \ --keyring=$build_resources/debian-archive-keyring.gpg \ $outmnt \ $PRAWNOS_DEBOOTSTRAP_MIRROR \ --cache-dir=$PRAWNOS_ROOT/build/apt-cache/ chroot $outmnt passwd -d root #Place the config files and installer script and give them the proper permissions echo -n PrawnOS > $outmnt/etc/hostname cp -R $install_resources/ $outmnt/InstallResources/ # and the icons for the lockscreen and app menu mkdir $outmnt/InstallResources/icons/ cp $build_resources/logo/icons/icon-small.png $outmnt/InstallResources/icons/ cp $build_resources/logo/icons/ascii/* $outmnt/InstallResources/icons/ cp scripts/InstallScripts/* $outmnt/InstallResources/ cp $PRAWNOS_SHARED_SCRIPTS/package_lists.sh $outmnt/InstallResources/ cp scripts/InstallScripts/InstallPrawnOS.sh $outmnt/ chmod +x $outmnt/*.sh #Setup the chroot for apt #This is what https://wiki.debian.org/EmDebian/CrossDebootstrap suggests cp /etc/hosts $outmnt/etc/ cp $build_resources/sources.list $outmnt/etc/apt/sources.list sed -i -e "s/suite/$DEBIAN_SUITE/g" $outmnt/etc/apt/sources.list if [ "$DEBIAN_SUITE" != "sid" ] then # sid doesn't have updates or security; they're present for all other suites cat $build_resources/updates.list >> $outmnt/etc/apt/sources.list sed -i -e "s/suite/$DEBIAN_SUITE/g" $outmnt/etc/apt/sources.list # sid doesn't have backports; it's present for all other suites cp $build_resources/backports.list $outmnt/etc/apt/sources.list.d/ sed -i -e "s/suite/$DEBIAN_SUITE/g" $outmnt/etc/apt/sources.list.d/backports.list #setup apt pinning cp $build_resources/backports.pref $outmnt/etc/apt/preferences.d/ sed -i -e "s/suite/$DEBIAN_SUITE/g" $outmnt/etc/apt/preferences.d/backports.pref # Install sid (unstable) as an additional source for bleeding edge packages. cp $build_resources/sid.list $outmnt/etc/apt/sources.list.d/ #setup apt pinning cp $build_resources/sid.pref $outmnt/etc/apt/preferences.d/ fi if [ "$DEBIAN_SUITE" = "buster" ] then # Install bullseye (testing) as an additional source cp $build_resources/bullseye.list $outmnt/etc/apt/sources.list.d/ #setup apt pinning cp $build_resources/bullseye.pref $outmnt/etc/apt/preferences.d/ fi #Bring in the deb.prawnos.com gpg keyring cp $build_resources/deb.prawnos.com.gpg.key $outmnt/InstallResources/ chroot $outmnt apt-key add /InstallResources/deb.prawnos.com.gpg.key chroot $outmnt apt update #Setup the locale cp $build_resources/locale.gen $outmnt/etc/locale.gen chroot $outmnt locale-gen #Install the base packages chroot $outmnt apt update chroot $outmnt apt install -y ${base_debs_install[@]} #add the live-boot fstab cp -f $build_resources/external_fstab $outmnt/etc/fstab chmod 644 $outmnt/etc/fstab #Cleanup to reduce install size chroot $outmnt apt-get autoremove --purge chroot $outmnt apt-get clean #Download the shared packages to be installed by Install.sh: chroot $outmnt apt-get install -y -d ${base_debs_download[@]} ## DEs #Download the xfce packages to be installed by Install.sh: chroot $outmnt apt-get install -y -d ${xfce_debs_download[@]} #Download the lxqt packages to be installed by Install.sh: chroot $outmnt apt-get install -y -d ${lxqt_debs_download[@]} #Download the gnome packages to be installed by Install.sh: chroot $outmnt apt-get install -y -d ${gnome_debs_download[@]} # we want to include all of our built packages in the apt cache for installation later, but we want to let apt download dependencies # if required # this gets tricky when we build some of the dependencies. To avoid issues # first, manually cache the deb # apt install ./local-package.deb alone doesn't work because apt will resort to downloading it from deb.prawnos.com, which we dont want # copy into /var/cache/apt/archives to place it in the cache #next call apt install -d on the ./filename or on the package name and apt will recognize it already has the package cached, so will only cache the dependencies #Copy the built prawnos debs over to the image, and update apts cache cd $PRAWNOS_ROOT && make packages_install INSTALL_TARGET=$outmnt/var/cache/apt/archives/ chroot $outmnt apt install -y ${prawnos_base_debs_prebuilt_install[@]} chroot $outmnt apt install -y -d ${prawnos_base_debs_prebuilt_download[@]} chroot $outmnt apt install -y -d ${prawnos_xfce_debs_prebuilt_download[@]} ## GPU support #download mesa packages chroot $outmnt apt-get install -y -d ${mesa_debs_download[@]} #Cleanup hosts rm -rf $outmnt/etc/hosts #This is what https://wiki.debian.org/EmDebian/CrossDebootstrap suggests echo -n "127.0.0.1 PrawnOS" > $outmnt/etc/hosts # do a non-error cleanup umount -l $outmnt > /dev/null 2>&1 rmdir $outmnt > /dev/null 2>&1 losetup -d $outdev > /dev/null 2>&1 echo "DONE!" trap - INT TERM EXIT