[Techstack-beta] Dev environment doesn't work with default NixOS configuration

[samueldr]

The npm scripts rely on the experimental CLI, and experimental features.

~/.../NixOS/nixos-homepage $ nix-shell 

  To bootstrap developing environment run:
      npm install

  To start developing run:
      npm run dev

  and go to the following URL in your browser:
      http://localhost:4321

  It will rebuild the website on each change.

[nix-shell:~/.../NixOS/nixos-homepage]$ npm run dev

> next@0.0.1 dev
> npm run prebuild && astro dev


> next@0.0.1 prebuild
> npm run prebuild:manuals && npm run prebuild:pills && npm run prebuild:demos


> next@0.0.1 prebuild:manuals
> nix build .#manuals -o ./result-manuals && mkdir -p ./public/manual && cp --no-preserve=mode,ownership -RL ./result-manuals/* ./public/manual/

error: experimental Nix feature 'nix-command' is disabled; use '--extra-experimental-features nix-command' to override

Adding the missing experimental arguments

diff --git a/package.json b/package.json
index 12eb8799c..f0ede457c 100644
--- a/package.json
+++ b/package.json
@@ -5,9 +5,9 @@
   "scripts": {
     "dev": "npm run prebuild && astro dev",
     "start": "npm run prebuild && astro dev",
-    "prebuild:manuals": "nix build .#manuals -o ./result-manuals && mkdir -p ./public/manual && cp --no-preserve=mode,ownership -RL ./result-manuals/* ./public/manual/",
-    "prebuild:pills": "nix build .#pills -o ./result-pills && mkdir -p ./public/guides/nix-pills && cp --no-preserve=mode,ownership -RL ./result-pills/* ./public/guides/nix-pills/",
-    "prebuild:demos": "nix build .#demos -o ./result-demos && mkdir -p ./public/demos && cp --no-preserve=mode,ownership -RL ./result-demos/* ./public/demos/",
+    "prebuild:manuals": "nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#manuals -o ./result-manuals && mkdir -p ./public/manual && cp --no-preserve=mode,ownership -RL ./result-manuals/* ./public/manual/",
+    "prebuild:pills": "nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#pills -o ./result-pills && mkdir -p ./public/guides/nix-pills && cp --no-preserve=mode,ownership -RL ./result-pills/* ./public/guides/nix-pills/",
+    "prebuild:demos": "nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#demos -o ./result-demos && mkdir -p ./public/demos && cp --no-preserve=mode,ownership -RL ./result-demos/* ./public/demos/",
     "prebuild": "npm run prebuild:manuals && npm run prebuild:pills && npm run prebuild:demos",
     "build": "npm run prebuild && astro build",
     "preview": "astro preview",

I am unexpectedly interrupted with Nix interactive questions

[nix-shell:~/.../NixOS/nixos-homepage]$ npm run dev

> next@0.0.1 dev
> npm run prebuild && astro dev


> next@0.0.1 prebuild
> npm run prebuild:manuals && npm run prebuild:pills && npm run prebuild:demos


> next@0.0.1 prebuild:manuals
> nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#manuals -o ./result-manuals && mkdir -p ./public/manual && cp --no-preserve=mode,ownership -RL ./result-manuals/* ./public/manual/

warning: Git tree '/Users/samuel/Projects/NixOS/nixos-homepage' is dirty
do you want to allow configuration setting 'extra-substituters' to be set to 'https://nixos-homepage.cachix.org https://nixos-nix-install-tests.cachix.org' (y/N)? 

I expect that when running a dev command (npm run dev here) that it won't be interrupted by a couple interactive questions.