From 7e59ce132303837b05aaa5f173ea2050ac0203f6 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Thu, 14 Jul 2022 01:45:28 -0400
Subject: Add basic Rust support

Support for packages and third-party imports will need to come later once I
figure out how to lookup rust packages by their import statements. Until then,
this works to compile "hello world".
---
 Biz/Bild.nix | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'Biz/Bild.nix')

diff --git a/Biz/Bild.nix b/Biz/Bild.nix
index b640a05..fdaba0e 100644
--- a/Biz/Bild.nix
+++ b/Biz/Bild.nix
@@ -153,6 +153,7 @@ in rec {
       ormolu
       python38Packages.black
       python38Packages.pylint
+      rustc
       shellcheck
       wemux
     ] ++ lib.optional nixpkgs.stdenv.isLinux [
@@ -168,5 +169,25 @@ in rec {
 
   pkgs = { inherit (nixpkgs) git; };
 
+  rust = main:
+    let
+      data = analyze main;
+      rustc = nixpkgs.pkgs.rustc;
+    in stdenv.mkDerivation {
+      name = lib.string.concatStringsSep "::" data.namespace.path;
+      src = ../.;
+      nativeBuildInputs = [ rustc ];
+      strictDeps = true;
+      buildPhase = ''
+        set -eux
+        mkdir -p $out/bin
+        : compiling with rustc
+        ${rustc}/bin/rustc \
+          ${main} \
+          -o $out/bin/${data.out}
+      '';
+      installPhase = "exit 0";
+    };
+
   image = nixpkgs.pkgs.dockerTools.buildImage;
 }
-- 
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