upgrade to nixos 24.05

build-images.sh

@@ -5,8 +5,8 @@ set -xeuo pipefail
 shopt -s lastpipe
 
 build_netboot_image() {
-  declare -r tag=$1 arch=$2 tmp=$3
+  declare -r tag=$1 channel=$2 arch=$3 tmp=$4
-  img=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.netboot-${tag//./}")
+  img=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.netboot-${channel//./}")
   kernel=$(echo "$img"/*Image)
   kernelName=$(basename "$kernel")
   ln -s "$kernel" "$tmp/$kernelName-$arch"
@@ -22,14 +22,14 @@ build_netboot_image() {
 }
 
 build_kexec_installer() {
-  declare -r tag=$1 arch=$2 tmp=$3 variant=$4
+  declare -r channel=$1 arch=$2 tmp=$3 variant=$4
-  out=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.kexec-installer-${tag//./}${variant}")
+  out=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.kexec-installer-${channel}${variant}")
   echo "$out/nixos-kexec-installer${variant}-$arch.tar.gz"
 }
 
 build_image_installer() {
-  declare -r tag=$1 arch=$2 tmp=$3
+  declare -r channel=$1 arch=$2 tmp=$3
-  out=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.image-installer-${tag//./}")
+  out=$(nix build --print-out-paths --option accept-flake-config true -L ".#packages.${arch}.image-installer-${channel//./}")
   echo "$out/iso/nixos-installer-${arch}.iso"
 }
 
@@ -38,10 +38,11 @@ main() {
   tmp="$(mktemp -d)"
   trap 'rm -rf -- "$tmp"' EXIT
   (
-    build_kexec_installer "$tag" "$arch" "$tmp" ""
+    channel=$(if [[ "$tag" == nixos-unstable ]]; then echo "unstable"; else echo "stable"; fi)
-    build_kexec_installer "$tag" "$arch" "$tmp" "-noninteractive"
+    build_kexec_installer "$channel" "$arch" "$tmp" ""
-    build_netboot_image "$tag" "$arch" "$tmp"
+    build_kexec_installer "$channel" "$arch" "$tmp" "-noninteractive"
-    build_image_installer "$tag" "$arch" "$tmp"
+    build_netboot_image "$tag" "$channel" "$arch" "$tmp"
+    build_image_installer "$channel" "$arch" "$tmp"
   ) | readarray -t assets
   for asset in "${assets[@]}"; do
     pushd "$(dirname "$asset")"

flake.lock

@@ -1,17 +1,17 @@
 {
   "nodes": {
-    "nixos-2311": {
+    "nixos-stable": {
       "locked": {
-        "lastModified": 1717017538,
+        "lastModified": 1717555607,
-        "narHash": "sha256-S5kltvDDfNQM3xx9XcvzKEOyN2qk8Sa+aSOLqZ+1Ujc=",
+        "narHash": "sha256-WZ1s48OODmRJ3DHC+I/DtM3tDRuRJlNqMvxvAPTD7ec=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "64e468fd2652105710d86cd2ae3e65a5a6d58dec",
+        "rev": "0b8e7a1ae5a94da2e1ee3f3030a32020f6254105",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.11",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -34,7 +34,7 @@
     },
     "root": {
       "inputs": {
-        "nixos-2311": "nixos-2311",
+        "nixos-stable": "nixos-stable",
         "nixos-unstable": "nixos-unstable"
       }
     }

flake.nix

@@ -2,12 +2,12 @@
   description = "NixOS images";
 
   inputs.nixos-unstable.url = "github:NixOS/nixpkgs/nixos-unstable-small";
-  inputs.nixos-2311.url = "github:NixOS/nixpkgs/release-23.11";
+  inputs.nixos-stable.url = "github:NixOS/nixpkgs/nixos-24.05";
 
   nixConfig.extra-substituters = [ "https://numtide.cachix.org" ];
   nixConfig.extra-trusted-public-keys = [ "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE=" ];
 
-  outputs = { self, nixos-unstable, nixos-2311 }:
+  outputs = { self, nixos-unstable, nixos-stable }:
     let
       supportedSystems = [ "aarch64-linux" "x86_64-linux" ];
       forAllSystems = nixos-unstable.lib.genAttrs supportedSystems;
@@ -22,12 +22,12 @@
         in
         {
           netboot-nixos-unstable = netboot nixos-unstable;
-          netboot-nixos-2311 = netboot nixos-2311;
+          netboot-nixos-stable = netboot nixos-stable;
           kexec-installer-nixos-unstable = kexec-installer nixos-unstable [ ];
-          kexec-installer-nixos-2311 = kexec-installer nixos-2311 [ ];
+          kexec-installer-nixos-stable = kexec-installer nixos-stable [ ];
 
           image-installer-nixos-unstable = image-installer nixos-unstable;
-          image-installer-nixos-2311 = image-installer nixos-2311;
+          image-installer-nixos-stable = image-installer nixos-stable;
 
           kexec-installer-nixos-unstable-noninteractive = kexec-installer nixos-unstable [
             {
@@ -35,7 +35,7 @@
             }
             self.nixosModules.noninteractive
           ];
-          kexec-installer-nixos-2311-noninteractive = kexec-installer nixos-2311 [
+          kexec-installer-nixos-stable-noninteractive = kexec-installer nixos-stable [
             {
               system.kexec-installer.name = "nixos-kexec-installer-noninteractive";
             }
@@ -43,7 +43,7 @@
           ];
 
           netboot-installer-nixos-unstable = netboot-installer nixos-unstable;
-          netboot-installer-nixos-2311 = netboot-installer nixos-2311;
+          netboot-installer-nixos-stable = netboot-installer nixos-stable;
         });
       nixosModules = {
         kexec-installer = ./nix/kexec-installer/module.nix;
@@ -71,8 +71,8 @@
                 shellcheck ${(pkgs.nixos [self.nixosModules.kexec-installer]).config.system.build.kexecRun}
                 touch $out
               '';
-              kexec-installer-2311 = nixos-2311.legacyPackages.x86_64-linux.callPackage ./nix/kexec-installer/test.nix {
+              kexec-installer-stable = nixos-stable.legacyPackages.x86_64-linux.callPackage ./nix/kexec-installer/test.nix {
-                kexecTarball = self.packages.x86_64-linux.kexec-installer-nixos-2311-noninteractive;
+                kexecTarball = self.packages.x86_64-linux.kexec-installer-nixos-stable-noninteractive;
               };
             };
         in

nix/installer.nix

@@ -5,10 +5,6 @@
   modulesPath,
   ...
 }:
-let
-  # can be dropped after 23.11 is removed
-  hasPerlless = builtins.pathExists "${modulesPath}/profiles/perlless.nix";
-in
 {
   # more descriptive hostname than just "nixos"
   networking.hostName = lib.mkDefault "nixos-installer";
@@ -36,7 +32,6 @@ in
   imports = [
     ./nix-settings.nix
     # reduce closure size by removing perl
-  ] ++ lib.optionals hasPerlless [
     "${modulesPath}/profiles/perlless.nix"
     # FIXME: we still are left with nixos-generate-config due to nixos-install-tools
     { system.forbiddenDependenciesRegexes = lib.mkForce []; }

nix/restore-remote-access.nix

@@ -1,10 +1,6 @@
-{ lib, ... }:
-let
-  is2405 = lib.versionAtLeast lib.version "24.05pre";
-in
 {
   # We have a bug in 23.11 in combination with netboot.
-  boot.initrd.systemd.enable = is2405;
+  boot.initrd.systemd.enable = true;
   boot.initrd.systemd.services.restore-state-from-initrd = {
     unitConfig = {
       DefaultDependencies = false;
@@ -30,17 +26,4 @@ in
       fi
     '';
   };
-  boot.initrd.postMountCommands = lib.mkIf (!is2405) ''
-      mkdir -m 700 -p /mnt-root/root/.ssh
-      mkdir -m 755 -p /mnt-root/etc/ssh
-      mkdir -m 755 -p /mnt-root/root/network
-      if [[ -f ssh/authorized_keys ]]; then
-        install -m 400 ssh/authorized_keys /mnt-root/root/.ssh
-      fi
-      install -m 400 ssh/ssh_host_* /mnt-root/etc/ssh
-      cp *.json /mnt-root/root/network/
-      if [[ -f machine-id ]]; then
-        cp machine-id /mnt-root/etc/machine-id
-      fi
-  '';
 }