From 006cb2c5eeeaf2f5267aa8391665fdbf6ca3232c Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Tue, 16 Nov 2021 21:01:40 -0800
Subject: [PATCH] eval.nix: Make the uninitialized nixpkgs error more
 informative

---
 src/nix/eval.nix | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/nix/eval.nix b/src/nix/eval.nix
index 4df2511..b589785 100644
--- a/src/nix/eval.nix
+++ b/src/nix/eval.nix
@@ -293,16 +293,15 @@ let
 
   mkNixpkgs = configName: pkgConf: let
     uninitializedError = typ: ''
-      Passing ${typ} is no longer accepted with Flakes. Please initialize Nixpkgs like the following:
+      Passing ${typ} as ${configName} is no longer accepted with Flakes.
+      Please initialize Nixpkgs like the following:
 
       {
         # ...
         outputs = { nixpkgs, ... }: {
           colmena = {
-            meta = {
-              nixpkgs = import nixpkgs {
-                system = "${currentSystem}";
-              };
+            ${configName} = import nixpkgs {
+              system = "${currentSystem}";
             };
           };
         };