From 985e784e626d1fa36356bd0e10a70206720d81f9 Mon Sep 17 00:00:00 2001
From: Nydragon <contact@ccnlc.eu>
Date: Tue, 21 May 2024 18:59:35 +0900
Subject: [PATCH] templates: add a basic and rust template

---
 flake.nix                  | 17 ++++++++++--
 templates/basic/.envrc     |  1 +
 templates/basic/.gitignore |  1 +
 templates/basic/flake.nix  | 29 +++++++++++++++++++
 templates/default.nix      | 29 +++++++++++++++++++
 templates/rust/flake.nix   | 57 ++++++++++++++++++++++++++++++++++++++
 6 files changed, 131 insertions(+), 3 deletions(-)
 create mode 100644 templates/basic/.envrc
 create mode 100644 templates/basic/.gitignore
 create mode 100644 templates/basic/flake.nix
 create mode 100644 templates/default.nix
 create mode 100644 templates/rust/flake.nix

diff --git a/flake.nix b/flake.nix
index d0408eb..daef06f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,7 +10,8 @@
     };
   };
 
-  outputs = inputs@{ self, nixpkgs, home-manager }:
+  outputs =
+    inputs@{ self, nixpkgs, ... }:
     let
       inherit (self) outputs;
 
@@ -22,13 +23,23 @@
       };
 
       lib = nixpkgs.lib;
-    in {
+    in
+    {
       nixosConfigurations = {
         xps9510 = lib.nixosSystem {
           inherit system;
           modules = [ ./hosts/xps9510/configuration.nix ];
-          specialArgs = { inherit inputs outputs system pkgs; };
+          specialArgs = {
+            inherit
+              inputs
+              outputs
+              system
+              pkgs
+              ;
+          };
         };
       };
+
+      templates = import ./templates { self = self.templates; };
     };
 }
diff --git a/templates/basic/.envrc b/templates/basic/.envrc
new file mode 100644
index 0000000..44610e5
--- /dev/null
+++ b/templates/basic/.envrc
@@ -0,0 +1 @@
+use flake;
diff --git a/templates/basic/.gitignore b/templates/basic/.gitignore
new file mode 100644
index 0000000..9b42106
--- /dev/null
+++ b/templates/basic/.gitignore
@@ -0,0 +1 @@
+.direnv/
diff --git a/templates/basic/flake.nix b/templates/basic/flake.nix
new file mode 100644
index 0000000..460bb42
--- /dev/null
+++ b/templates/basic/flake.nix
@@ -0,0 +1,29 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      utils,
+    }:
+    utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShell = pkgs.mkShell { buildInputs = with pkgs; [ ]; };
+
+        packages.${system} = {
+          hello = pkgs.hello;
+          default = self.packages.hello;
+        };
+      }
+    );
+}
diff --git a/templates/default.nix b/templates/default.nix
new file mode 100644
index 0000000..07d9e36
--- /dev/null
+++ b/templates/default.nix
@@ -0,0 +1,29 @@
+{ self }:
+{
+  basic = {
+    path = ./basic;
+    description = "A basic template";
+    welcomeText = ''
+      # A basic flake
+
+      ## More Info
+      - [Nix Reference Manual](https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-flake)
+    '';
+  };
+
+  rust = {
+    path = ./rust;
+    description = "A basic rust cargo template";
+    welcomeText = ''
+      # A basic rust cargo template
+
+      Maybe consider setting a license in ./flake.nix
+
+      ## More Info
+      - [Rust language](https://www.rust-lang.org/) - https://www.rust-lang.org/
+      - [Rust on the NixOS Wiki](https://nixos.wiki/wiki/Rust) - https://nixos.wiki/wiki/Rust
+    '';
+  };
+
+  defaultTemplate = self.basic;
+}
diff --git a/templates/rust/flake.nix b/templates/rust/flake.nix
new file mode 100644
index 0000000..f84476c
--- /dev/null
+++ b/templates/rust/flake.nix
@@ -0,0 +1,57 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      rust-overlay,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
+        pname = manifest.name;
+
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs { inherit system overlays; };
+
+        rustVersion = pkgs.rust-bin.stable.latest.default;
+
+        rustPlatform = pkgs.makeRustPlatform {
+          cargo = rustVersion;
+          rustc = rustVersion;
+        };
+
+        rustBuild = rustPlatform.buildRustPackage {
+          inherit pname;
+          version = manifest.version;
+          src = ./.;
+          cargoLock.lockFile = ./Cargo.lock;
+
+          meta = {
+            description = manifest.description;
+            #license = nixpkgs.lib.licenses.unlicense;
+            maintainers = [ ];
+          };
+        };
+      in
+      {
+        packages = {
+          ${pname} = rustBuild;
+          default = self.packages.${pname};
+        };
+
+        devShell = pkgs.mkShell {
+          buildInputs = [ (rustVersion.override { extensions = [ "rust-src" ]; }) ];
+
+          shellHook = '''';
+        };
+      }
+    );
+}