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-rw-r--r--modules/common.nix10
1 files changed, 8 insertions, 2 deletions
diff --git a/modules/common.nix b/modules/common.nix
index e7de738..f586579 100644
--- a/modules/common.nix
+++ b/modules/common.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, unstablePkgs, auxiliaryPkgs, ... }:
+{ me, config, lib, pkgs, unstablePkgs, auxiliaryPkgs, ... }:
 
 {
   imports = [
@@ -13,7 +13,13 @@
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
-  nix.settings.experimental-features = [ "flakes" "nix-command" ];
+  nix.settings = {
+    experimental-features = [ "flakes" "nix-command" ];
+  } // lib.optionalAttrs (me != "bismuth") {
+    # add the bismuth binary cache, if we're not bismuth;
+    substituters = [ "http://bismuth:5000" ];
+    trusted-public-keys = [ "bismuth-1:XW9nsNsccipbmdfchyb3YIIWNT058iSpHLwlj1xgB7A=" ];
+  };
 
   services.envfs.enable = true;
   virtualisation.libvirtd.enable = true;