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".

1 files changed, 21 insertions, 0 deletions

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;
 }