Init

.gitignore

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+uuidfile

generate-new-image.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+set -x
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+DESTUUID="$(cat $SCRIPT_DIR/uuidfile)"
+tmpdir=$(mktemp -d)
+mntdir=$(mktemp -d)
+if [[ ! -h "/dev/disk/by-uuid/$DESTUUID" ]]; then
+    echo "Error: Drive not inserted"
+    exit 1
+fi
+mount /dev/disk/by-uuid/"$DESTUUID" $mntdir
+cp $(nix-shell -p nixos-generators --run "nixos-generate --format iso --configuration './image.nix' -o $tmpdir/nixos-image.iso") $mntdir/nixos-x86_64-$(date --iso).iso
+umount $mntdir
+rm -rf $tmpdir
+rmdir $mntdir

image.nix

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+{ pkgs, modulesPath, lib, ... }: {
+  imports = [
+    "${modulesPath}/installer/cd-dvd/installation-cd-minimal-new-kernel-no-zfs.nix"
+  ];
+  users.users.nixos.openssh.authorizedKeys.keys = [
+    "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAINgMYT/3mFn0A/yAkI3BHC246Q+/tZ+3HdBeeyp134e+AAAAGHNzaDp5dWJpa2V5LWJsdWUtZGVza3RvcA== philipp@sarah"
+  ];
+  boot.supportedFilesystems = [ "bcachefs" ];
+  isoImage.squashfsCompression = "gzip -Xcompression-level 1";
+  nix = {
+    settings.experimental-features = [ "nix-command" "flakes" ];
+  };
+  environment.systemPackages = with pkgs; [
+    keyutils
+    tmux
+  ];
+  console.keyMap = "neo";
+}

readme.md

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+* Format thumbdrive with ventoy
+* Insert UUID into file uuidfile in this directory (only UUID, nothing else)
+* Run script