switch to non-interactive installer

Massive size decrease: 820 MB -> 321 MB

Author: Mic92

README.md

@@ -90,7 +90,7 @@ than uploaded prior to executing.
 
 ```shell
 nixos-anywhere \
-  --kexec "$(nix build --print-out-paths github:nix-community/nixos-images#packages.x86_64-linux.kexec-installer-nixos-unstable)/nixos-kexec-installer-x86_64-linux.tar.gz" \
+  --kexec "$(nix build --print-out-paths github:nix-community/nixos-images#packages.x86_64-linux.kexec-installer-noninteractive-nixos-unstable)/nixos-kexec-installer-noninteractive-x86_64-linux.tar.gz" \
   --flake 'github:your-user/your-repo#your-system' \
   root@yourip
 ```
@@ -101,7 +101,7 @@ for aarch64-linux either natively or through a remote builder
 
 ```shell
 nixos-anywhere \
-  --kexec "$(nix build --print-out-paths github:nix-community/nixos-images#packages.aarch64-linux.kexec-installer-nixos-unstable)/nixos-kexec-installer-aarch64-linux.tar.gz" \
+  --kexec "$(nix build --print-out-paths github:nix-community/nixos-images#packages.aarch64-linux.kexec-installer-noninteractive-nixos-unstable)/nixos-kexec-installer-noninteractive-aarch64-linux.tar.gz" \
   --flake 'your-flake#your-system' \
   root@yourip
 ```

src/nixos-anywhere.sh

@@ -40,7 +40,7 @@ abort() {
   exit 1
 }
 
-default_kexec_url=https://github.com/nix-community/nixos-images/releases/download/nixos-22.11/nixos-kexec-installer-x86_64-linux.tar.gz
+default_kexec_url=https://github.com/nix-community/nixos-images/releases/download/nixos-22.11/nixos-kexec-installer-noninteractive-x86_64-linux.tar.gz
 kexec_url="$default_kexec_url"
 enable_debug=""
 maybe_reboot="sleep 6 && reboot"

tests/flake-module.nix

@@ -7,7 +7,7 @@
         inherit pkgs;
         inherit (inputs.disko.nixosModules) disko;
         nixos-anywhere = config.packages.nixos-anywhere;
-        kexec-installer = "${inputs'.nixos-images.packages.kexec-installer-nixos-unstable}/nixos-kexec-installer-${system}.tar.gz";
+        kexec-installer = "${inputs'.nixos-images.packages.kexec-installer-nixos-unstable-noninteractive}/nixos-kexec-installer-noninteractive-${system}.tar.gz";
       };
     in
     {

tests/from-nixos-with-sudo.nix

@@ -4,7 +4,7 @@
     installer = ./modules/installer.nix;
     installed = {
       services.openssh.enable = true;
-      virtualisation.memorySize = 4096;
+      virtualisation.memorySize = 1512;
 
       users.users.nixos = {
         isNormalUser = true;

tests/from-nixos.nix

@@ -4,7 +4,7 @@
     installer = ./modules/installer.nix;
     installed = {
       services.openssh.enable = true;
-      virtualisation.memorySize = 4096;
+      virtualisation.memorySize = 1512;
 
       users.users.root.openssh.authorizedKeys.keyFiles = [ ./modules/ssh-keys/ssh.pub ];
     };