add nix flake

.gitignore

@@ -3,3 +3,4 @@
 \#*#
 *~
 /target
+result

flake.lock

@@ -0,0 +1,100 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1745822598,
+        "narHash": "sha256-GIBS6zFO3J3rxUKkIaiy+sFvWzUMlz8iWweM7BsC7KY=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "6a955576b9f03bfa6a1caddba3ac29cfe98d5978",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1745742390,
+        "narHash": "sha256-1rqa/XPSJqJg21BKWjzJZC7yU0l/YTVtjRi0RJmipus=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "26245db0cb552047418cfcef9a25da91b222d6c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1745694049,
+        "narHash": "sha256-fxvRYH/tS7hGQeg9zCVh5RBcSWT+JGJet7RA8Ss+rC0=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "d8887c0758bbd2d5f752d5bd405d4491e90e7ed6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,31 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = {self, nixpkgs, fenix, flake-utils}@inputs:
+  flake-utils.lib.eachDefaultSystem (system:
+  let pkgs = nixpkgs.legacyPackages.${system};
+      lib = pkgs.lib;
+  in
+  rec {
+    defaultPackage = (pkgs.makeRustPlatform {
+      inherit (fenix.packages.${system}.complete) cargo rustc;
+    }).buildRustPackage {
+      pname = "shq";
+      version = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package.version;
+      src = ./.;
+      cargoLock = {
+        lockFile = ./Cargo.lock;
+      };
+    };
+    packages.shq = defaultPackage;
+    devShells.default = pkgs.mkShell {
+      buildInputs = [ fenix.packages.${system}.complete.toolchain ];
+    };
+  });
+}