Add a Nix flake

.gitignore

@@ -15,3 +15,5 @@
 __pycache__
 /datman-helper-postgres/datman_helper_postgres.egg-info
 /datman-helper-mysql/datman_helper_mysql.egg-info
+/result
+

flake.lock

@@ -0,0 +1,87 @@
+{
+  "nodes": {
+    "naersk": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1653413650,
+        "narHash": "sha256-wojDHjb+eU80MPH+3HQaK0liUy8EgR95rvmCl24i58Y=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "69daaceebe12c070cd5ae69ba38f277bbf033695",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1653738054,
+        "narHash": "sha256-IaR8iLN4Ms3f5EjU1CJkXSc49ZzyS5qv03DtVAti6/s=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "17b62c338f2a0862a58bb6951556beecd98ccda9",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1653738054,
+        "narHash": "sha256-IaR8iLN4Ms3f5EjU1CJkXSc49ZzyS5qv03DtVAti6/s=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "17b62c338f2a0862a58bb6951556beecd98ccda9",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs_2",
+        "src": "src",
+        "utils": "utils"
+      }
+    },
+    "src": {
+      "flake": false,
+      "locked": {
+        "narHash": "sha256-MGP5pSluHmnG0XKKLGrXPWv1bYx55iw6t6TNnr9xrs0=",
+        "path": "./.",
+        "type": "path"
+      },
+      "original": {
+        "path": "./.",
+        "type": "path"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1652776076,
+        "narHash": "sha256-gzTw/v1vj4dOVbpBSJX4J0DwUR6LIyXo7/SuuTJp1kM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "04c1b180862888302ddfb2e3ad9eaa63afc60cf8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,46 @@
+{
+  description = "Yama and Datman";
+
+  inputs = {
+    utils.url = "github:numtide/flake-utils";
+    naersk.url = "github:nix-community/naersk";
+    src.url = "path:./.";
+    src.flake = false;
+  };
+
+  outputs = { self, nixpkgs, utils, naersk, src }:
+    utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages."${system}";
+      naersk-lib = naersk.lib."${system}";
+    in rec {
+      # `nix build`
+      packages.yama = naersk-lib.buildPackage {
+        pname = "yama";
+        root = src;
+
+        buildInputs = with pkgs; [
+          openssl
+          pkgconfig
+          sqlite
+        ];
+      };
+
+      defaultPackage = packages.yama;
+
+      # NixOS Modules
+#       nixosModules = {
+#         yama = import ./nixos_modules/yama.nix self;
+#       };
+
+      # `nix run`
+      apps.yama = utils.lib.mkApp {
+        drv = packages.yama;
+      };
+      defaultApp = apps.yama;
+
+      # `nix develop`
+      devShell = pkgs.mkShell {
+        nativeBuildInputs = with pkgs; [ rustc cargo ];
+      };
+    });
+}