From 27d75659d09deabfec1bb7b047aa22e6d73d49ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vili=20Sinerv=C3=A4?= <vili.m.sinerva@gmail.com>
Date: Mon, 5 Aug 2024 18:45:59 +0300
Subject: [PATCH] Create rough-and-ready full auto-install script for custom
 ISO

---
 misc/custom-iso.nix | 31 +++++++++++++++++++++++++++----
 1 file changed, 27 insertions(+), 4 deletions(-)

diff --git a/misc/custom-iso.nix b/misc/custom-iso.nix
index 7b99aca..f68ca78 100644
--- a/misc/custom-iso.nix
+++ b/misc/custom-iso.nix
@@ -1,8 +1,28 @@
 { config, pkgs, ... }:
 let
-  fetch-config-template = pkgs.writeScriptBin "fetch-config-template" ''
-    mv configuration.nix configuration.nix.old
-    ${pkgs.curl}/bin/curl https://raw.githubusercontent.com/VSinerva/nixos-conf/main/misc/template-configuration.nix -o configuration.nix
+  partition-and-install = pkgs.writeScriptBin "partition-and-install" ''
+    read -p "Erasing disk $1 Are you sure? " -n 1 -r
+    echo
+    if [[ $REPLY =~ ^[Yy]$ ]]
+    then
+      parted $1 -- mklabel gpt
+      parted $1 -- mkpart root ext4 512MB 100%
+      parted $1 -- mkpart ESP fat32 1MB 512MB
+      parted $1 -- set 2 esp on
+
+      mkfs.ext4 -L nixos $1$2
+      mkfs.fat -F 32 -n BOOT $1$3
+
+      mount /dev/disk/by-label/nixos /mnt
+      mkdir /mnt/boot
+      mount -o umask=077 /dev/disk/by-label/BOOT /mnt/boot
+
+      nixos-generate-config --root /mnt
+      mv /mnt/etc/nixos/configuration.nix configuration.nix.old
+      curl https://raw.githubusercontent.com/VSinerva/nixos-conf/main/misc/template-configuration.nix -o /mnt/etc/nixos/configuration.nix
+
+      nixos-install --no-root-password
+    fi
   '';
 in
 {
@@ -13,5 +33,8 @@ in
   ];
 
   networking.networkmanager.enable = pkgs.lib.mkForce false;
-  environment.systemPackages = [ fetch-config-template ];
+  environment.systemPackages = [ partition-and-install ];
+
+  #Many installs will need this, and it won't hurt either way
+  services.qemuGuest.enable = true;
 }