From f6a3fb9c4d8dd86f78c9f75a23c1ac35bf35d4eb Mon Sep 17 00:00:00 2001
From: Benedikt Peetz <benedikt.peetz@b-peetz.de>
Date: Thu, 19 Mar 2026 07:45:14 +0100
Subject: feat(treewide): Commit MVP

---
 flake.nix | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
index 776e8bd..425a1a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,6 +26,7 @@
         nixpkgs.follows = "nixpkgs";
       };
     };
+    crane.url = "github:ipetkov/crane";
   };
 
   outputs = {
@@ -33,6 +34,7 @@
     nixpkgs,
     treefmt-nix,
     rust-overlay,
+    crane,
   }: let
     system = "x86_64-linux";
     pkgs = import nixpkgs {
@@ -48,11 +50,23 @@
       pkgs.pkg-config
     ];
 
-    rocie = pkgs.callPackage ./nix/package.nix {};
+    rust =
+      pkgs.rust-bin.stable.latest.default.override {
+          targets = ["wasm32-unknown-unknown"];
+      };
 
-    rust = pkgs.rust-bin.stable.latest.default.override {
-      targets = ["wasm32-unknown-unknown"];
-    };
+    # NB: we don't need to overlay our custom toolchain for the *entire*
+    # pkgs (which would require rebuidling anything else which uses rust).
+    # Instead, we just want to update the scope that crane will use by appending
+    # our specific toolchain there.
+    craneLib = (crane.mkLib pkgs).overrideToolchain (
+      p:
+        p.rust-bin.stable.latest.default.override {
+          targets = ["wasm32-unknown-unknown"];
+        }
+    );
+
+    rocie = pkgs.callPackage ./nix/package.nix {inherit craneLib;};
 
     treefmtEval = import ./treefmt.nix {inherit treefmt-nix pkgs;};
   in {
@@ -74,7 +88,7 @@
       packages = [
         # rust stuff
         rust
-        pkgs.mold-wrapped
+        pkgs.mold
 
         pkgs.cargo-edit
         pkgs.cargo-expand
-- 
cgit 1.4.1