moar progress
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parent
99605585e1
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135236685a
GPG key ID:
69A830D03203405F
6 changed files with 83 additions and 55 deletions
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@ -20,7 +20,7 @@
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efi.canTouchEfiVariables = true;
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grub = {
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enable = true;
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device = "/dev/nvme0n1"; # [managed by install.sh]
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device = ""; # [managed by install.sh]
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efiSupport = true;
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gfxmodeEfi = "1920x1080";
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};
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@ -5,7 +5,7 @@
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disk = {
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master = {
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type = "disk";
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device = "/dev/nvme0n1"; # [managed by install.sh]
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device = ""; # [managed by install.sh]
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content = {
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type = "gpt";
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partitions = {
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@ -30,13 +30,6 @@
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content = {
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type = "btrfs";
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extraArgs = [ "-f" "-L nixos" ];
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postCreateHook = ''
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TMP_MNT=$(mktemp -d)
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MNT_PART="/dev/nvme0n1" # [managed by install.sh]
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mount "$MNT_PART" "$TMP_MNT" -o subvol=/
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trap 'umount "$TMP_MNT"; rm -rf "$TMP_MNT"' EXIT
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btrfs subvolume snapshot "$TMP_MNT/root" "$TMP_MNT/blank"
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'';
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subvolumes = {
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"/root" = {
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mountpoint = "/";
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@ -30,13 +30,6 @@
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content = {
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type = "btrfs";
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extraArgs = [ "-f" "-L nixos" ];
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postCreateHook = ''
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TMP_MNT=$(mktemp -d)
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MNT_PART="/dev/sda2" # [managed by install.sh]
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mount "$MNT_PART" "$TMP_MNT" -o subvol=/
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trap 'umount "$TMP_MNT"; rm -rf "$TMP_MNT"' EXIT
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btrfs subvolume snapshot "$TMP_MNT/root" "$TMP_MNT/blank"
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'';
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subvolumes = {
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"/root" = {
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mountpoint = "/";
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106
install.sh
106
install.sh
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@ -32,6 +32,7 @@ args() {
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echo " -h|--help Print this and exit"
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echo " -d|--device [device] (required) The device you want to install NixOS on to"
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echo " -o|--host [hostname] (required) The host from ./hosts you want to install"
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echo " -b|--build Build the system without installing"
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echo ""
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echo "origin: https://github.com/c4em/dotnix"
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echo ""
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@ -60,6 +61,10 @@ args() {
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DOTNIX_HOSTNAME="$2"
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shift 2
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;;
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"-b" | "--build")
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DOTNIX_DO_ONLY_BUILD=1
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shift 1
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;;
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*)
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>&2 echo "Unrecognized argument '$1'. Run with --help to view accepted arguments."
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@ -68,8 +73,10 @@ args() {
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esac
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done
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args_ensure_is_set "--device" "$DOTNIX_INSTALL_DEVICE"
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args_ensure_is_set "--host" "$DOTNIX_HOSTNAME"
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if [ -z "$DOTNIX_DO_ONLY_BUILD" ]; then
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args_ensure_is_set "--device" "$DOTNIX_INSTALL_DEVICE"
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fi
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}
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sed_safe () {
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@ -77,54 +84,77 @@ sed_safe () {
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printf "%s" "$1" | sed -r 's/([\$\.\*\/\[\\^])/\\\1/g' | sed 's/[]]/\[]]/g'
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}
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partition_num_for_device() {
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parent_dir="$(basename "$(dirname "$1")")"
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if [ "$parent_dir" = "disk" ]; then
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>&2 echo "Don't use persistent device names. They will automatically be set later on."
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exit 1
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elif [ "$parent_dir" = "mapper" ]; then
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>&2 echo "lvm volumes are not supported."
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exit 1
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elif [ "$parent_dir" != "dev" ]; then
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>&2 echo "Block device directory not recognized: $parent_dir"
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exit 1
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fi
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case "$(basename "$1")" in
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"nvme"* | "mmcblk"*)
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printf "%s" "${1}p${2}"
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;;
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"sda"* | "vda"* | "hda"*)
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printf "%s" "${1}${2}"
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;;
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*)
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>&2 echo "Invalid block device type '$(basename "$1")'"
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exit 1
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;;
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esac
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}
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update_managed_values() {
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sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/default.nix"
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sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
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sed -i 's/\( *MNT_PART=\)".*"\( #.*\)/\1"'"$(sed_safe \
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"$(partition_num_for_device "$DOTNIX_INSTALL_DEVICE" "2")")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
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sed -i 's/\( *system.stateVersion = \)".*"\(; #.*\)/\1"'"$(sed_safe "$(nixos-version | cut -f1,2 -d '.')")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/default.nix"
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}
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build() {
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nix build ".#nixosConfigurations.${DOTNIX_HOSTNAME}.config.system.build.toplevel"
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}
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permissions() {
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if [ "$(id -u)" = "0" ]; then
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sudo () {
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true
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}
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else
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sudo -v
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fi
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}
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ensure_confirmation() {
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printf "\e[1;31m=== ARE YOU SURE YOU WANT TO CONTINUE WITH THE INSTALLATION ===\e[0m\n\n"
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printf "This will \e[1;31mIRREVERSIBLY\e[0m wipe all data in '%s'\n" "$DOTNIX_INSTALL_DEVICE"
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printf "This disk contains following partitions:\n\n"
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lsblk -o NAME,SIZE,TYPE,FSTYPE "$DOTNIX_INSTALL_DEVICE"
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printf "\n"
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lsblk -no NAME "$DOTNIX_INSTALL_DEVICE" | tail -n +2 | tr -cd '[:alnum:][:space:]' | xargs -I {} -- df -h "/dev/{}"
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printf "\n"
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printf "Please write 'Yes, do as I say!' to continue with the installation\n> "
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read -r install_prompt
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if [ "$install_prompt" != "Yes, do as I say!" ]; then
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echo "Cancelling installation"
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exit 0
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else
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DOTNIX_CONFIRM_DISK_NUKE="yes"
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fi
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}
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partition_disk() {
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if [ "$DOTNIX_CONFIRM_DISK_NUKE" = "yes" ]; then
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sudo nix run github:nix-community/disko/latest -- --mode destroy,format,mount "./hosts/$DOTNIX_HOSTNAME/disko.nix"
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else
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>&2 echo "Aborted installation due to invalid state in the partitioning step."
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exit 1
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fi
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}
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generate_config() {
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nixos-generate-config --no-filesystems --root /mnt
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}
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main () {
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args "$@"
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permissions
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if [ "$(id -u)" != "0" ]; then
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>&2 echo "The installation script must be run as root to work."
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exit 1
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fi
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if [ ! -d /sys/firmware/efi ]; then
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>&2 echo "Legacy BIOS is unsupported"
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exit 1
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if [ -n "$DOTNIX_DO_ONLY_BUILD" ]; then
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if [ -n "$DOTNIX_INSTALL_DEVICE" ]; then
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update_managed_values
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fi
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build
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exit 0
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fi
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ensure_confirmation
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update_managed_values
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partition_disk
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generate_config
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# todo run the install
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}
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set -e
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@ -3,7 +3,7 @@
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{
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boot.initrd.postDeviceCommands = lib.mkAfter ''
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mkdir /btrfs_tmp
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mount ${config.fileSystems."/".device} /btrfs_tmp
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mount "${config.fileSystems."/".device}" /btrfs_tmp
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if [[ -e /btrfs_tmp/root ]]; then
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mkdir -p /btrfs_tmp/old_roots
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timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
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12
shell.nix
Normal file
12
shell.nix
Normal file
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@ -0,0 +1,12 @@
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{ pkgs ? import <nixpkgs> {} }:
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pkgs.mkShell {
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buildInputs = with pkgs; [
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age
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];
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shellHook = ''
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alias nix="nix --experimental-features 'nix-command flakes'"
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'';
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}
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