From 9918c46bd2c5ba1548b8de4a2acff36d9e127746 Mon Sep 17 00:00:00 2001
From: Kiara Grouwstra <kiara.grouwstra@gmail.com>
Date: Tue, 24 Dec 2024 14:09:36 +0100
Subject: [PATCH] nickel: enable `nix-experimental` feature flag

---
 pkgs/by-name/ni/nickel/package.nix | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/pkgs/by-name/ni/nickel/package.nix b/pkgs/by-name/ni/nickel/package.nix
index 4ea0423a3df8..53ea84f976d5 100644
--- a/pkgs/by-name/ni/nickel/package.nix
+++ b/pkgs/by-name/ni/nickel/package.nix
@@ -1,10 +1,14 @@
 {
   lib,
+  boost,
   rustPlatform,
   fetchFromGitHub,
   python3,
   versionCheckHook,
+  pkg-config,
+  nix,
   nix-update-script,
+  enableNixImport ? true,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
@@ -26,16 +30,27 @@ rustPlatform.buildRustPackage (finalAttrs: {
     "-p nickel-lang-lsp"
   ];
 
-  nativeBuildInputs = [
-    python3
+  nativeBuildInputs =
+    [
+      python3
+    ]
+    ++ lib.optionals enableNixImport [
+      pkg-config
+    ];
+
+  buildInputs = lib.optionals enableNixImport [
+    nix
+    boost
   ];
 
+  buildFeatures = lib.optionals enableNixImport [ "nix-experimental" ];
+
   outputs = [
     "out"
     "nls"
   ];
 
-  # This fixes the way comrak is defined as a dependency, without the sed the build fails:
+  # This fixes the way comrak is defined as a dependency, without it the build fails:
   #
   # cargo metadata failure: error: Package `nickel-lang-core v0.10.0
   # (/build/source/core)` does not have feature `comrak`. It has an optional