nix: add nix flake

.gitignore

@@ -7,3 +7,5 @@
 target
 *.po~
 /dist/templates/localized
+
+result

default.nix

@@ -0,0 +1,36 @@
+{ lib, rustPlatform, sqlite, openssl, gettext, pkg-config }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "hagrid";
+  version = "1.0.0";
+
+  src = ./.;
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes = {
+      "rocket_i18n-0.5.0" = "sha256-EbUE8Z3TQBnDnptl9qWK6JvsACCgP7EXTxcA7pouYbc=";
+    };
+  };
+
+  postInstall = ''
+    cp -r dist $out
+  '';
+
+  nativeBuildInputs = [
+    pkg-config
+    gettext
+  ];
+
+  buildInputs = [
+    sqlite
+    openssl
+  ];
+
+  meta = with lib; {
+    description = "A verifying keyserver";
+    homepage = "https://gitlab.com/keys.openpgp.org/hagrid";
+    license = with licenses; [ gpl3 ];
+    maintainers = with maintainers; [ valodim ];
+    platforms = platforms.all;
+  };
+}

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1739357830,
+        "narHash": "sha256-9xim3nJJUFbVbJCz48UP4fGRStVW5nv4VdbimbKxJ3I=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0ff09db9d034a04acd4e8908820ba0b410d7a33a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "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"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,16 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { self, nixpkgs, utils }:
+    utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages."${system}";
+    in rec {
+      packages.hagrid = pkgs.callPackage ./. { };
+      packages.default = packages.hagrid;
+    }) // {
+      overlays.hagrid = (final: prev: { hagrid = self.packages."${final.system}".hagrid; });
+      overlays.default = self.overlays.hagrid;
+    };
+}