From 936d3bc34d0c372f3817a62a323b6cd5d2905959 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Wed, 1 Jan 2025 19:16:08 -0500
Subject: [PATCH] Add rust.

---
 nix/configuration/configuration.nix           |  1 +
 nix/configuration/roles/rust/default.nix      | 39 +++++++++++++++++++
 .../roles/rust/files/cargo_config.toml        | 12 ++++++
 3 files changed, 52 insertions(+)
 create mode 100644 nix/configuration/roles/rust/default.nix
 create mode 100644 nix/configuration/roles/rust/files/cargo_config.toml

diff --git a/nix/configuration/configuration.nix b/nix/configuration/configuration.nix
index 6f2fe2f..20ca019 100644
--- a/nix/configuration/configuration.nix
+++ b/nix/configuration/configuration.nix
@@ -41,6 +41,7 @@
     ./roles/python
     ./roles/docker
     ./roles/kubernetes
+    ./roles/rust
   ];
 
   nix.settings.experimental-features = [
diff --git a/nix/configuration/roles/rust/default.nix b/nix/configuration/roles/rust/default.nix
new file mode 100644
index 0000000..8f9c922
--- /dev/null
+++ b/nix/configuration/roles/rust/default.nix
@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    rustup
+    lldb # for lldb-vscode
+    musl # for building static binaries
+    rust-analyzer
+    cargo-semver-checks
+    # ? cargo-bloat
+    # ? cargo-outdated
+    # ? cargo-public-api
+  ];
+
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
+      home.file = {
+        ".cargo/config.toml" = {
+          source = ./files/cargo_config.toml;
+        };
+        # # TODO: Figure out what to do with credentials.
+        # ".cargo/credentials.toml" = {
+        #   source = ./files/cargo_credentials.toml;
+        # };
+      };
+    };
+
+}
+
+# TODO: Install clippy, cranelift, rust-src
+# TODO: Install rust targets x86_64-unknown-linux-musl and wasm32-unknown-unknown
diff --git a/nix/configuration/roles/rust/files/cargo_config.toml b/nix/configuration/roles/rust/files/cargo_config.toml
new file mode 100644
index 0000000..aca07b7
--- /dev/null
+++ b/nix/configuration/roles/rust/files/cargo_config.toml
@@ -0,0 +1,12 @@
+[target.x86_64-unknown-linux-gnu]
+rustflags = ["-C", "target-cpu=native", "-Zthreads=0"]
+
+[unstable]
+codegen-backend = true
+
+[profile.dev]
+codegen-backend = "cranelift"
+
+[profile.dev.package."*"]
+codegen-backend = "llvm"
+opt-level = 3