Nixify

.gitignore

@@ -1073,10 +1073,6 @@ dkms.conf
 debug/
 target/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 

flake.nix

@@ -0,0 +1,43 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, ... }:
+    let
+      system = "x86_64-linux";
+      overlays = [ (import rust-overlay) ];
+      pkgs = import nixpkgs { inherit system overlays; };
+      nativeBuildInputs = [
+        # Rust tools from toolchain file: includes cargo, compiler and
+        # rust-anzalyzer.
+        (pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml)
+      ];
+      buildInputs = [ ];
+      forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
+    in {
+      devShells.${system}.default = pkgs.mkShell {
+        inherit buildInputs nativeBuildInputs;
+      };
+
+      packages = forAllSystems (system: {
+        default = pkgs.rustPlatform.buildRustPackage {
+          inherit buildInputs nativeBuildInputs;
+          pname = "git-repo-sync";
+          version = "0.2.0";
+          src = pkgs.lib.cleanSource ./.;
+          cargoLock = {
+            lockFile = ./Cargo.lock;
+          };
+        };
+      });
+
+      defaultPackage = forAllSystems (system: self.packages.${system}.default);
+    };
+}

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel = "stable"
+profile = "default"
+components = ["rust-analyzer"]