-#!/bin/bash
+#!/usr/bin/env bash
-set -x
-set -e
+# SPDX-License-Identifier: MIT
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o xtrace
+
+cd "$(dirname "$0")"
unset LC_CTYPE
unset LANG
-# Build u-boot
-git clone https://github.com/kettenis/u-boot
-cd u-boot/
-git checkout apple-m1-m1n1-nvme
-make apple_m1_defconfig
-# it is normal that it runs on an error at the end
-make || true
-cd ..
-
-# build m1n1
-git clone --recursive https://github.com/AsahiLinux/m1n1.git
-cd m1n1
-make -j
-cd ..
-
-# Build our boot object that replaces step2.sh in the asahi installer
-cat m1n1/build/m1n1.macho `find u-boot -name \*.dtb` u-boot/u-boot-nodtb.bin > u-boot.macho
-
-# Build Linux
-git clone https://github.com/AsahiLinux/linux
-cd linux
-git checkout origin/asahi
-curl https://tg.st/u/c5eb67144c10f8685ebd8c1dfef8586588e1994d.patch | patch -p1
-curl https://tg.st/u/asahi-config-2022-01-08 > .config
-make olddefconfig
-make bindeb-pkg
+export DEBOOTSTRAP=debootstrap
+
+build_rootfs()
+{
+(
+ sudo rm -rf testing
+ mkdir -p cache
+ sudo eatmydata ${DEBOOTSTRAP} --cache-dir=`pwd`/cache --arch=arm64 --include initramfs-tools,pciutils,wpasupplicant,tcpdump,vim,tmux,vlan,ntpdate,parted,curl,wget,grub-efi-arm64,mtr-tiny,dbus,ca-certificates,sudo,openssh-client,mtools,gdisk,cryptsetup,wireless-regdb,zstd testing testing http://deb.debian.org/debian
+
+ cd testing
+
+ sudo mkdir -p boot/efi/m1n1 etc/X11/xorg.conf.d
+
+ sudo bash -c 'echo debian > etc/hostname'
+
+ sudo bash -c 'echo > etc/motd'
+
+ sudo cp ../../files/sources.list etc/apt/sources.list
+ sudo cp ../../files/glanzmann.list etc/apt/sources.list.d/
+ sudo cp ../../files/thomas-glanzmann.gpg etc/apt/trusted.gpg.d/
+ sudo cp ../../files/hosts etc/hosts
+ sudo cp ../../files/resolv.conf etc/resolv.conf
+ sudo cp ../../files/quickstart.txt root/
+ sudo cp ../../files/interfaces etc/network/interfaces
+ sudo cp ../../files/wpa.conf etc/wpa_supplicant/wpa_supplicant.conf
+ sudo cp ../../files/rc.local etc/rc.local
+ sudo cp ../../files/30-modeset.conf etc/X11/xorg.conf.d/30-modeset.conf
+ sudo cp ../../files/blacklist.conf etc/modprobe.d/
+
+ sudo perl -p -i -e 's/"quiet"/"net.ifnames=0"/ if /^GRUB_CMDLINE_LINUX_DEFAULT=/' etc/default/grub
+
+ sudo bash -c 'chroot . apt update'
+ sudo bash -c 'chroot . apt install -y firmware-linux'
+
+ sudo -- perl -p -i -e 's/root:x:/root::/' etc/passwd
+
+ sudo -- ln -s lib/systemd/systemd init
+
+ sudo chroot . apt update
+ sudo chroot . apt install -y m1n1 linux-image-asahi
+ sudo chroot . apt clean
+ sudo rm var/lib/apt/lists/* || true
+)
+}
+
+build_live_stick()
+{
+(
+ rm -rf live-stick
+ mkdir -p live-stick/efi/boot live-stick/efi/debian/
+ sudo cp ../files/wifi.pl testing/etc/rc.local
+ sudo bash -c 'cd testing; find . | cpio --quiet -H newc -o | zstd -T0 -16 > ../live-stick/initrd.zstd'
+ cp testing/usr/lib/grub/arm64-efi/monolithic/grubaa64.efi live-stick/efi/boot/bootaa64.efi
+ cp testing/boot/vmlinuz* live-stick/vmlinuz
+ cp ../files/grub.cfg live-stick/efi/debian/grub.cfg
+ (cd live-stick; tar cf ../asahi-debian-live.tar .)
+)
+}
+
+build_dd()
+{
+(
+ rm -f media
+ dd if=/dev/zero of=media bs=1 count=0 seek=2G
+ mkdir -p mnt
+ mkfs.ext4 media
+ tune2fs -O extents,uninit_bg,dir_index -m 0 -c 0 -i 0 media
+ sudo mount -o loop media mnt
+ sudo cp -a testing/* mnt/
+ sudo rm -rf mnt/init mnt/boot/efi/m1n1
+ sudo umount mnt
+ tar cf - media | pigz -9 > m1.tgz
+)
+}
+
+build_efi()
+{
+(
+ rm -rf EFI
+ mkdir -p EFI/boot EFI/debian
+ cp testing/usr/lib/grub/arm64-efi/monolithic/grubaa64.efi EFI/boot/bootaa64.efi
+
+ export INITRD=`ls -1 testing/boot/ | grep initrd`
+ export VMLINUZ=`ls -1 testing/boot/ | grep vmlinuz`
+ export UUID=`blkid -s UUID -o value media`
+ cat > EFI/debian/grub.cfg <<EOF
+search.fs_uuid ${UUID} root
+linux (\$root)/boot/${VMLINUZ} root=UUID=${UUID} rw net.ifnames=0
+initrd (\$root)/boot/${INITRD}
+boot
+EOF
+)
+}
+
+build_asahi_installer_image()
+{
+(
+ rm -rf aii
+ mkdir -p aii/esp/m1n1
+ cp -a EFI aii/esp/
+ cp testing/usr/lib/m1n1/boot.bin aii/esp/m1n1/boot.bin
+ ln media aii/media
+ cd aii
+ zip -r9 ../debian-base.zip esp media
+)
+}
+
+publish_artefacts()
+{
+ echo upload build/asahi-debian-live.tar build/debian-base.zip
+}
+
+mkdir -p build
+cd build
+
+build_rootfs
+build_dd
+build_efi
+build_asahi_installer_image
+build_live_stick
+publish_artefacts