nix-flakes: enable flakes in the config

Fixes #18
2021-03-08 12:17:23 +01:00
parent e850799428
commit 887722a603
1 changed files with 10 additions and 0 deletions
--- a/images/nix-flakes/default.nix
+++ b/images/nix-flakes/default.nix
@@ -1,6 +1,16 @@
 { docker-nixpkgs
 , nixFlakes
+, writeTextFile
 }:
 docker-nixpkgs.nix.override {
  nix = nixFlakes;
+  extraContents = [
+    (writeTextFile {
+      name = "nix.conf";
+      destination = "/etc/nix/nix.conf";
+      text = ''
+        experimental-features = nix-command flakes
+      '';
+    })
+  ];
 }