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- #!/bin/sh -xe
- # Build fs, image
- KVER=4.9.30
- outmnt=$(mktemp -d -p `pwd`)
- inmnt=$(mktemp -d -p `pwd`)
- outdev=/dev/loop6
- indev=/dev/loop7
- #A hacky way to ensure the loops are properly unmounted and the temp files are properly deleted.
- #Without this, a reboot is required to properly clean the loop devices and ensure a clean build
- cleanuptwice() {
- cleanup
- cleanup
- }
- cleanup() {
- set +e
- umount -l $inmnt > /dev/null 2>&1
- rmdir $inmnt > /dev/null 2>&1
- losetup -d $indev > /dev/null 2>&1
- umount -l $outmnt > /dev/null 2>&1
- rmdir $outmnt > /dev/null 2>&1
- losetup -d $outdev > /dev/null 2>&1
- }
- trap cleanuptwice INT TERM EXIT
- create_image() {
- # it's a sparse file - that's how we fit a 16GB image inside a 2GB one
- dd if=/dev/zero of=$1 bs=$3 count=$4 conv=sparse
- parted --script $1 mklabel gpt
- cgpt create $1
- cgpt add -i 1 -t kernel -b 8192 -s 65536 -l Kernel -S 1 -T 5 -P 10 $1
- start=$((8192 + 65536))
- end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'`
- size=$(($end - $start))
- cgpt add -i 2 -t data -b $start -s $size -l Root $1
- # $size is in 512 byte blocks while ext4 uses a block size of 1024 bytes
- losetup -P $2 $1
- mkfs.ext4 -F -b 1024 -m 0 -O ^has_journal ${2}p2 $(($size / 2))
- # mount the / partition
- mount -o noatime ${2}p2 $5
- }
- # create a 2GB image with the Chrome OS partition layout
- create_image debian-stretch-c201-libre-2GB.img $outdev 50M 40 $outmnt
- # INCLUDES=apt-utils,libc6,libdebconfclient0,awk,libz2-1.0,libblzma5,libselinux1,tar,libtinfo5,zlib1g,udev,kmod,net-tools,traceroute,iproute2,isc-dhcp-client,wpasupplicant,iw,alsa-utils,cgpt,vim-tiny,less,psmisc,netcat-openbsd,ca-certificates,bzip2,xz-utils,unscd,lightdm,lightdm-gtk-greeter,xfce4,xorg,ifupdown,nano,wicd,wicd-curses
- # install Debian on it
- qemu-debootstrap --arch=armhf --foreign stretch --variant minbase --include=systemd,systemd-sysv,dbus $outmnt http://deb.debian.org/debian
- chroot $outmnt passwd -d root
- #echo -n debsus > $outmnt/etc/hostname
- #install -D -m 644 80disable-recommends $outmnt/etc/apt/apt.conf.d/80disable-recommends
- cp -f /etc/resolv.conf $outmnt/etc/
- chroot $outmnt apt update
- chroot $outmnt apt install -y udev kmod net-tools inetutils-ping traceroute iproute2 isc-dhcp-client wpasupplicant iw alsa-utils cgpt vim-tiny less psmisc netcat-openbsd ca-certificates bzip2 xz-utils unscd ifupdown nano apt-utils python python-urwid
- chroot $outmnt apt-get autoremove --purge
- chroot $outmnt apt-get clean
- chroot $outmnt apt-get install -d -y wicd-daemon wicd wicd-curses
- #sed -i s/^[3-6]/\#\&/g $outmnt/etc/inittab
- #sed -i s/'enable-cache hosts no'/'enable-cache hosts yes'/ -i $outmnt/etc/nscd.conf
- rm -f $outmnt/etc/resolv.conf
- # put the kernel in the kernel partition, modules in /lib/modules and AR9271
- # firmware in /lib/firmware
- dd if=linux-$KVER/vmlinux.kpart of=${outdev}p1 conv=notrunc
- make -C linux-$KVER ARCH=arm INSTALL_MOD_PATH=$outmnt modules_install
- rm -f $outmnt/lib/modules/3.14.0/{build,source}
- install -D -m 644 open-ath9k-htc-firmware/target_firmware/htc_9271.fw $outmnt/lib/firmware/htc_9271.fw
- # create a 16GB image
- create_image debian-stretch-c201-libre-16GB.img $indev 512 30785536 $inmnt
- # copy the kernel and / of the 2GB image to the 16GB one
- dd if=${outdev}p1 of=${indev}p1 conv=notrunc
- cp -a $outmnt/* $inmnt/
- umount -l $inmnt
- rmdir $inmnt
- losetup -d $indev
- # move the 16GB image inside the 2GB one
- cp -f debian-stretch-c201-libre-16GB.img $outmnt/
- echo "DONE!"
- cleanup
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