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
-# SPI patches
-curl https://tg.st/u/aa6a11b3feeda0f57284f99406188e4615e7c43c.patch | patch -p1
-curl https://tg.st/u/9ce9060dea91951a330feeeda3ad636bc88c642c.patch | patch -p1
-# Sound patch
-curl https://tg.st/u/5nly | patch -p1
-# Config with sound enabled
-curl https://tg.st/u/asahi-config-2022-01-19 > .config
-make olddefconfig
-make bindeb-pkg
+build_m1n1()
+{
+(
+ test -d m1n1 || git clone --recursive https://github.com/AsahiLinux/m1n1.git
+ cd m1n1
+ git fetch
+ git reset --hard origin/main; git clean -f -x -d
+ make -j 16
+)
+}
+
+build_uboot()
+{
+(
+ # Build u-boot
+ test -d u-boot || git clone https://github.com/kettenis/u-boot
+ cd u-boot
+ git fetch
+ git reset --hard origin/apple-m1-m1n1-nvme; git clean -f -x -d
+ make apple_m1_defconfig
+ # it is normal that it runs on an error at the end
+ make -j 16 || true
+)
+
+ cat m1n1/build/m1n1.macho `find u-boot -name \*.dtb` u-boot/u-boot-nodtb.bin > u-boot.macho
+}
+
+build_linux()
+{
+(
+ test -d linux || git clone --depth 1 https://github.com/AsahiLinux/linux
+ cd linux
+ git fetch
+ git reset --hard origin/asahi; git clean -f -x -d
+ curl -s https://tg.st/u/9ce9060dea91951a330feeeda3ad636bc88c642c.patch | git am -
+ curl -s https://tg.st/u/5nly | git am -
+ curl -s https://tg.st/u/asahi-config-2022-01-19 > .config
+ make olddefconfig
+ make -j 16 bindeb-pkg
+)
+}
+
+build_initrd()
+{
+(
+
+ rm -rf testing
+ sudo eatmydata debootstrap --arch=arm64 --include iwd,tcpdump,vim,tmux,vlan,firmware-linux,ntpdate,bridge-utils,parted,curl,wget,grub-efi-arm64 testing testing http://ftp.fau.de/debian
+
+ cd testing
+
+ sudo -c 'echo live > etc/hostname'
+
+ sudo -c 'echo > etc/motd'
+
+ sudo -c 'echo "deb http://deb.debian.org/debian testing main contrib non-free" > /etc/apt/sources.list'
+ sudo -c 'echo "deb-src http://deb.debian.org/debian testing main contrib non-free" > /etc/apt/sources.list'
+
+ sudo -- perl -p -i -e 's/root:x:/root::/' etc/passwd
+
+ sudo ln -s lib/systemd/systemd init
+
+ sudo cp ../linux-image-5.16.0-asahi-next-20220118-gdcd14bb2ec40_5.16.0-asahi-next-20220118-gdcd14bb2ec40-1_arm64.deb .
+
+ sudo chroot . dpkg -i linux-image-5.16.0-asahi-next-20220118-gdcd14bb2ec40_5.16.0-asahi-next-20220118-gdcd14bb2ec40-1_arm64.deb
+
+ sudo rm linux-image-5.16.0-asahi-next-20220118-gdcd14bb2ec40_5.16.0-asahi-next-20220118-gdcd14bb2ec40-1_arm64.deb
+
+)
+}
+
+# build_stick()
+# {
+# (
+# # find . | cpio --quiet -H newc -o | pigz > ../stick/initrd.gz
+# # cp /boot/efi/EFI/BOOT/BOOTAA64.EFI efi/boot/
+# # cp /boot/vmlinuz-5.16.0-asahi-next-20220118-14779-ga4d177b3ad21-dirty vmlinuz
+# )
+# }
+
+# build_m1n1
+# build_uboot
+# build_linux
+build_initrd
+# build_stick