refactor(rust): Move to template dir

1 files changed, 90 insertions, 0 deletions

diff --git a/templates/rust/flake.nix b/templates/rust/flake.nix
new file mode 100644
index 0000000..4512bed
--- /dev/null
+++ b/templates/rust/flake.nix
@@ -0,0 +1,90 @@
+{
+  description = "<app_description>"; # TODO
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    # inputs for following
+    systems = {
+      url = "github:nix-systems/x86_64-linux"; # only evaluate for this system
+    };
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-compat.follows = "flake-compat";
+        flake-utils.follows = "flake-utils";
+        rust-overlay.follows = "rust-overlay";
+      };
+    };
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs = {
+        systems.follows = "systems";
+      };
+    };
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+      };
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    crane,
+    flake-utils,
+    rust-overlay,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [(import rust-overlay)];
+      };
+
+      nightly = false;
+      rust_minimal =
+        if nightly
+        then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.minimal)
+        else pkgs.rust-bin.stable.latest.minimal;
+
+      rust_default =
+        if nightly
+        then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)
+        else pkgs.rust-bin.stable.latest.default;
+
+      craneLib = (crane.mkLib pkgs).overrideToolchain rust_minimal;
+
+      craneBuild = craneLib.buildPackage {
+        src = craneLib.cleanCargoSource ./.;
+
+        doCheck = true;
+      };
+    in {
+      packages.default = craneBuild;
+
+      app.default = {
+        type = "app";
+        program = "${self.packages.${system}.default}/bin/<app_name>"; # TODO
+      };
+
+      devShells.default = pkgs.mkShell {
+        packages = with pkgs; [
+          cocogitto
+
+          rust_default
+          cargo-edit
+        ];
+      };
+    });
+}
+# vim: ts=2
+