From 9d2d4606400fd62623ed1e030768ef5f9d0c39f4 Mon Sep 17 00:00:00 2001
From: beatzaplenty <wayne.bennett@live.com>
Date: Wed, 15 Jul 2026 10:08:48 +1000
Subject: [PATCH] add missing experimental features options to eval commands

---
 installer.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/installer.nix b/installer.nix
index 5324fd7..8419673 100644
--- a/installer.nix
+++ b/installer.nix
@@ -43,7 +43,7 @@ export FLAKE_BASE_URL="git+https://gitea.lan.ddnsgeek.com/beatzaplenty/nixos.git
 
 echo "Fetching available NixOS hosts from flake..."
 mapfile -t options < <(
-  nix eval --json --no-use-registries --no-accept-flake-config --extra-experimental-features flakes --extra-experimental-features nix-command\
+  nix eval --json --no-use-registries --no-accept-flake-config --extra-experimental-features "flakes nix-command" \
     "''${FLAKE_BASE_URL}#nixosConfigurations" \
     --apply builtins.attrNames \
   | jq -r '.[]'
@@ -87,7 +87,7 @@ fi
     # export TMPDIR=/mnt/install-tmp
     # nixos-install --flake "''${FLAKE_BASE_URL}#''${choice}" --no-root-password --no-write-lock-file
 
-if nix eval --refresh --json  "''${FLAKE_BASE_URL}#nixosConfigurations.''${choice}.config.disko.devices.disk.main.device" >/dev/null 2>&1; then
+if nix eval --refresh --json  --extra-experimental-features "flakes nix-command" "''${FLAKE_BASE_URL}#nixosConfigurations.''${choice}.config.disko.devices.disk.main.device" >/dev/null 2>&1; then
     disko --mode destroy,format,mount \
         --flake "''${FLAKE_BASE_URL}#''${choice}"
 else