From dad9679647bf8ee9edfe43b84a92c73e80bed2d3 Mon Sep 17 00:00:00 2001
From: Erik Arvstedt <erik.arvstedt@gmail.com>
Date: Sun, 17 Jul 2022 10:33:24 +0200
Subject: [PATCH] deployment shell: add command `build-config`

---
 helper/makeShell.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/helper/makeShell.nix b/helper/makeShell.nix
index 50c7f87..2ab42df 100644
--- a/helper/makeShell.nix
+++ b/helper/makeShell.nix
@@ -29,6 +29,9 @@ pkgs.stdenv.mkDerivation {
     eval-config
       Evaluate your node system configuration
 
+    build-config
+       Build your node system on your local machine
+
     generate-secrets
       Create secrets required by your node configuration.
       Secrets are written to ./secrets/
@@ -117,6 +120,13 @@ pkgs.stdenv.mkDerivation {
       echo
     )}
 
+    build-config() {(
+      set -euo pipefail
+      system=$(getNodeSystem)
+      NIXOS_CONFIG="${cfgDir}/krops/krops-configuration.nix" \
+        nix-build --no-out-link ${nixpkgs}/nixos $system -A system
+    )}
+
     getNodeSystem() {
       if [[ -e '${cfgDir}/krops/system' ]]; then
         echo -n "--argstr system "; cat '${cfgDir}/krops/system'