From 29cfdbdfa85457b6df14ad91a34ce68784fe878f Mon Sep 17 00:00:00 2001
From: Elnu <elnu@elnu.com>
Date: Tue, 31 Oct 2023 13:33:46 -0700
Subject: [PATCH] Initial commit

---
 .envrc                 |   1 +
 .gitignore             |   3 ++
 .vscode/settings.json  |   5 ++
 Cargo.lock             |   7 +++
 Cargo.toml             |   3 ++
 flake.nix              | 110 +++++++++++++++++++++++++++++++++++++++++
 helloworld/Cargo.toml  |   8 +++
 helloworld/src/main.rs |   3 ++
 8 files changed, 140 insertions(+)
 create mode 100644 .envrc
 create mode 100644 .gitignore
 create mode 100644 .vscode/settings.json
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 flake.nix
 create mode 100644 helloworld/Cargo.toml
 create mode 100644 helloworld/src/main.rs

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9624092
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+.direnv
+result
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..0baf00e
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,5 @@
+{
+    "rust-analyzer.linkedProjects": [
+        "./helloworld/Cargo.toml",
+    ]
+}
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..97a944e
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "helloworld"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3076892
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,3 @@
+[workspace]
+members = ["helloworld"]
+resolver = "2"
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..ff7dbee
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,110 @@
+/*
+TODO
+1. Find and replace "helloworld" with your package name for **ALL FILES IN REPOSITORY**
+2. Add a flake description that describes the workspace on line 27
+3. Add a package description on line 70
+4. (optional) uncomment `nativeBuildInputs` and `buildInputs` on lines 43 and 44 if you need openssl
+5. (optional) set your project homepage, license, and maintainers list on lines 48-51
+6. (optional) uncomment the NixOS module and update it for your needs
+7. Delete this comment block
+*/
+
+/*
+Some utility commands:
+- `nix flake update --commit-lock-file`
+- `nix flake lock update-input <input>`
+- `nix build .#helloworld` or `nix build .`
+- `nix run .#helloworld` or `nix run .`
+*/
+
+{
+  description = "";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay }:
+    let
+      overlays = [ (import rust-overlay) ];
+      system = "x86_64-linux";
+      pkgs = import nixpkgs {
+        inherit system overlays;
+      };
+      rustSettings = with pkgs; {
+        src = ./.;
+        #nativeBuildInputs = [ pkg-config ];
+        #buildInputs = [ openssl ];
+        cargoHash = nixpkgs.lib.fakeHash;
+      };
+      meta = with nixpkgs.lib; {
+        #homepage = "https://example.com";
+        #license = [ licenses.gpl3 ];
+        platforms = [ system ];
+        #maintainers = with maintainers; [ ];
+      };
+    in {
+      devShells.${system}.default = with pkgs; mkShell {
+        packages = [
+          (pkgs.rust-bin.stable.latest.default.override {
+            extensions = [ "rust-src" ];
+          })
+          cargo-edit
+          bacon
+        ];
+        inputsFrom = with self.packages.${system}; [ helloworld ];
+      };
+      packages.${system} = {
+        default = self.packages.${system}.helloworld;
+        helloworld = pkgs.rustPlatform.buildRustPackage (rustSettings // {
+          pname = "helloworld";
+          version = "0.1.0";
+          buildAndTestSubdir = "helloworld";
+          cargoHash = "sha256-+TaGIiKf+Pz2bTABeG8aCZz0/ZTCKl5398+qbas4Nvo=";
+          meta = meta // {
+            description = "";
+          };
+        });
+      };
+      /*
+      nixosModules.default = { config, ... }: let
+        lib = nixpkgs.lib;
+      in {
+        options.services.helloworld = {
+          enable = lib.mkEnableOption (lib.mdDoc "helloworld service");
+          package = lib.mkOption {
+            type = lib.types.package;
+            default = self.packages.${system}.helloworld;
+            defaultText = "pkgs.helloworld";
+            description = lib.mdDoc ''
+              The helloworld package that should be used.
+            '';
+          };
+          port = lib.mkOption {
+            type = lib.types.port;
+            default = 8000;
+            description = lib.mdDoc ''
+              The port at which to run.
+            '';
+          };
+        };
+        config.systemd.services.helloworld = let
+          cfg = config.services.helloworld;
+          pkg = self.packages.${system}.helloworld;
+        in lib.mkIf cfg.enable {
+          description = pkg.meta.description;
+          after = [ "network.target" ];
+          wantedBy = [ "network.target" ];
+          serviceConfig = {
+            ExecStart = ''
+              ${cfg.package}/bin/helloworld --port ${builtins.toString cfg.port}
+            '';
+            Restart = "always";
+            DynamicUser = true;
+          };
+        };
+      };
+      */
+    };
+}
diff --git a/helloworld/Cargo.toml b/helloworld/Cargo.toml
new file mode 100644
index 0000000..5371865
--- /dev/null
+++ b/helloworld/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "helloworld"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/helloworld/src/main.rs b/helloworld/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/helloworld/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}