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Commit 0ef6b324 authored by Jens Nolte's avatar Jens Nolte
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Add allwinner sbc installation script

parent 6eb763b1
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#!/usr/bin/env zsh
set -e
set -u
set -x
set -o pipefail
source $DOTFILES_PATH/bin/lib/util.zsh
cmdname=$(basename $0)
usage() {
print "Usage: $cmdname <machine>" >&2
}
readonly machine="$1"
# Update nar-hash of dotfiles repository
nix flake lock --update-input dotfiles "path:$MACHINES_PATH"
readonly nix=(nix --log-format bar-with-logs)
# Installables
readonly uboot_installable="path:$MACHINES_PATH#nixosConfigurations.$machine.config.system.build.u-boot"
readonly system_installable="path:$MACHINES_PATH#nixosConfigurations.$machine.config.system.build.toplevel"
# Build once to catch errors
$nix build --no-link $uboot_installable
$nix build --keep-going --no-link $system_installable
# Use cached build to get output path
readonly nixos_config_path=$($nix build --json --no-link $system_installable | jq --raw-output ".[0].outputs.out")
# NOTE: Update if required
readonly target_disk="/dev/disk/by-id/usb-Generic_MassStorageClass_000000001538-0:1"
# NOTE: Update for each new installation
readonly root_partition_uuid="184a74e1-894b-4319-b9c9-9b0f972a30f8"
# NOTE: Update for each new installation
readonly root_uuid="dec6d7a8-6f97-4f4e-aaeb-98fd1e6bda27"
# Derived paths
readonly root_partition="/dev/disk/by-partuuid/$root_partition_uuid"
sudo wipefs -a $target_disk
# 2MB header hole
sudo nix shell nixpkgs#vboot_reference -c cgpt create -p 4096 $(realpath $target_disk)
sudo nix shell nixpkgs#vboot_reference -c cgpt boot -p $(realpath $target_disk)
sudo nix shell nixpkgs#util-linux -c sfdisk $target_disk --append <<EOF
unit: sectors
sector-size: 512
start=4224, type=69dad710-2ce4-4e3c-b16c-21a1d49abed3, uuid=$root_partition_uuid, name="root"
EOF
nix shell nixpkgs#busybox -c partprobe
# Use cached build to get u-boot output path
readonly uboot=$($nix build --json --no-link $uboot_installable | jq --raw-output ".[0].outputs.out")
#sudo dd if=$uboot/u-boot-sunxi-with-spl.bin of=$uboot_partition bs=16M conv=fsync oflag=direct status=progress
sudo dd if=$uboot/u-boot-sunxi-with-spl.bin of=$target_disk bs=1024 seek=8 conv=fsync status=progress
sudo wipefs -a $root_partition
# partprobe doesn't seem to be enough for symlinks to appear?
while [[ ! -b $root_partition ]] {
print "Waiting for $root_partition"
sleep 1s
}
sudo mkfs.ext4 -U $root_uuid -L root_$machine $root_partition
mount_point=/mnt/mnt
sudo mount $root_partition $mount_point
sudo $nix copy --no-check-sigs --to "$mount_point" $nixos_config_path
print "Setting system profile"
sudo nix-env --store $mount_point --profile $mount_point/nix/var/nix/profiles/system --set $nixos_config_path
print "Creating /etc/NIXOS"
sudo mkdir -m 0755 -p "$mount_point/etc"
sudo touch "$mount_point/etc/NIXOS"
# Bootloader installation: broken when installing across architectures
#sudo nixos-enter --root $mount_point -c "NIXOS_INSTALL_BOOTLOADER=1 $nixos_config_path/bin/switch-to-configuration boot"
# Manual steps:
# - open switch-to-configuration script
# - look for "Install or update the bootloader."
# - run extlinux-conf-builder.sh:
# /nix/store/[...]-extlinux-conf-builder.sh -d /mnt/mnt/boot -c $nixos_config_path -t 5
sync
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