initial flake structure

flake-module.nix

@@ -0,0 +1,25 @@
+{inputs, ...}:
+{
+  debug = true;
+  imports = [ ./nixos/flake-module.nix
+        # To import a flake module
+        # 1. Add foo to inputs
+        # 2. Add foo as a parameter to the outputs function
+        # 3. Add here: foo.flakeModule
+
+  ];
+  systems = [ "x86_64-linux"];
+#  perSystem = { config, self', inputs', pkgs, system, ... }: {
+  # Per-system attributes can be defined here. The self' and inputs'
+  # module parameters provide easy access to attributes of the same
+  # system.
+
+  # Equivalent to  inputs'.nixpkgs.legacyPackages.hello;
+#  };
+#      flake = {
+        # The usual flake attributes can be defined here, including system-
+        # agnostic ones like nixosModule and system-enumerating ones, although
+        # those are more easily expressed in perSystem.
+
+#      };
+}

flake.lock

@@ -0,0 +1,132 @@
+{
+  "nodes": {
+    "blobs": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1604995301,
+        "narHash": "sha256-wcLzgLec6SGJA8fx1OEN1yV/Py5b+U5iyYpksUY/yLw=",
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "rev": "2cccdf1ca48316f2cfd1c9a0017e8de5a7156265",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "simple-nixos-mailserver",
+        "repo": "blobs",
+        "type": "gitlab"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1685662779,
+        "narHash": "sha256-cKDDciXGpMEjP1n6HlzKinN0H+oLmNpgeCTzYnsA2po=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "71fb97f0d875fd4de4994dfb849f2c75e17eb6c3",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-parts",
+        "type": "indirect"
+      }
+    },
+    "nixos-mailserver": {
+      "inputs": {
+        "blobs": "blobs",
+        "flake-compat": [],
+        "nixpkgs": [],
+        "nixpkgs-22_11": "nixpkgs-22_11",
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1686468558,
+        "narHash": "sha256-K69Ojlx3N8I6tRTZsrKFMIqK4yrnJ6/PjfKZi3wchYg=",
+        "ref": "refs/heads/master",
+        "rev": "290d00f6db4e80467013728819ad73dd4a394d9a",
+        "revCount": 554,
+        "type": "git",
+        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1686412476,
+        "narHash": "sha256-inl9SVk6o5h75XKC79qrDCAobTD1Jxh6kVYTZKHzewA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "21951114383770f96ae528d0ae68824557768e81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-22_11": {
+      "locked": {
+        "lastModified": 1669558522,
+        "narHash": "sha256-yqxn+wOiPqe6cxzOo4leeJOp1bXE/fjPEi/3F/bBHv8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ce5fe99df1f15a09a91a86be9738d68fadfbad82",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-22.11",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1685564631,
+        "narHash": "sha256-8ywr3AkblY4++3lIVxmrWZFzac7+f32ZEhH/A8pNscI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4f53efe34b3a8877ac923b9350c874e3dcd5dc0a",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixos-mailserver": "nixos-mailserver",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1605370193,
+        "narHash": "sha256-YyMTf3URDL/otKdKgtoMChu4vfVL3vCMkRqpGifhUn0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5021eac20303a61fafe17224c087f5519baed54d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,17 @@
+{
+  description = "Description for the project";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixos-mailserver = {
+      url = "git+https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git";
+      inputs = {
+        flake-compat.follows = "";
+        nixpkgs.follows = "";
+      };
+    };
+  };
+
+  outputs = inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } (import ./flake-module.nix);
+}

nixos/flake-module.nix

@@ -0,0 +1,16 @@
+# copied and adopted from maralorns config
+{ withSystem, lib, inputs, ... }: {
+  flake = {
+    nixosConfigurations = withSystem "x86_64-linux" ({ pkgs, ... }:
+    let
+      machines = builtins.attrNames (builtins.readDir ./machines);
+      makeSystem = name:
+        pkgs.nixos {
+          imports = [
+            (import (./. + "/machines/${name}/configuration.nix") inputs)
+            # inputs.secrets.nixosModules.default
+          ];
+        };
+    in lib.genAttrs machines makeSystem);
+  };
+}