fix hydra build packages (#55)

* fix hydra build packages

* change build input

flake.lock

@@ -53,6 +53,22 @@
         "type": "github"
       }
     },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": [
@@ -93,6 +109,22 @@
         "type": "github"
       }
     },
+    "lowdown-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1633514407,
+        "narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "type": "github"
+      }
+    },
     "mailserver": {
       "inputs": {
         "blobs": "blobs",
@@ -124,6 +156,30 @@
         "type": "gitlab"
       }
     },
+    "nix": {
+      "inputs": {
+        "flake-compat": "flake-compat_2",
+        "lowdown-src": "lowdown-src",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression"
+      },
+      "locked": {
+        "lastModified": 1687956155,
+        "narHash": "sha256-nL3tSXLhXk5jyzX4aWpJvz3JdTyImK+0paRhQqx4f4A=",
+        "owner": "NixOS",
+        "repo": "nix",
+        "rev": "b8cb447a457a4a5e8b26143ba3c8cc5cc6caf0b7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nix",
+        "type": "github"
+      }
+    },
     "nix-pre-commit": {
       "inputs": {
         "flake-utils": [
@@ -212,12 +268,29 @@
         "type": "github"
       }
     },
+    "nixpkgs-regression": {
+      "locked": {
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "fenix": "fenix",
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "mailserver": "mailserver",
+        "nix": "nix",
         "nix-pre-commit": "nix-pre-commit",
         "nixos-modules": "nixos-modules",
         "nixpkgs": "nixpkgs",

flake.nix

@@ -10,6 +10,11 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     systems.url = "github:nix-systems/default";
 
+    nix = {
+      url = "github:NixOS/nix/nixos-unstable";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     flake-utils = {
       url = "github:numtide/flake-utils";
       inputs.systems.follows = "systems";
@@ -69,12 +74,18 @@
     };
   };
 
-  outputs = { self, nixpkgs-fmt, home-manager, mailserver, nix-pre-commit, nixos-modules, nixpkgs, sops-nix, ... }:
+  outputs = { self, nixpkgs-fmt, nix, home-manager, mailserver, nix-pre-commit, nixos-modules, nixpkgs, sops-nix, ... }:
     let
       inherit (nixpkgs) lib;
       systems = [ "x86_64-linux" "aarch64-linux" ];
       forEachSystem = lib.genAttrs systems;
 
+      overlayList = [ self.overlays.default nix.overlays.default ];
+      pkgsBySystem = forEachSystem (system: import nixpkgs {
+        inherit system;
+        overlays = overlayList;
+      });
+
       src = builtins.filterSource (path: type: type == "directory" || lib.hasSuffix ".nix" (baseNameOf path)) ./.;
       ls = dir: lib.attrNames (builtins.readDir (src + "/${dir}"));
       lsdir = dir: if (builtins.pathExists (src + "/${dir}")) then (lib.attrNames (lib.filterAttrs (path: type: type == "directory") (builtins.readDir (src + "/${dir}")))) else [ ];
@@ -129,6 +140,10 @@
     in
     {
       formatter = forEachSystem (system: nixpkgs-fmt.legacyPackages.${system}.nixpkgs-fmt);
+      overlays.default = final: prev: {
+        nixpkgs-fmt = forEachSystem (system: nixpkgs-fmt.legacyPackages.${system}.nixpkgs.fmt);
+      };
+
       nixosConfigurations =
         let
           constructSystem = { hostname, users, home ? true, modules ? [ ], server ? true, sops ? true, system ? "x86_64-linux" }:
@@ -195,16 +210,16 @@
           (
             (map
               (machine: {
-                ${machine.pkgs.system} = (builtins.listToAttrs (map
+                ${machine.pkgs.system} = (builtins.listToAttrs (builtins.filter (v: v != { }) (map
-                  (pkg: {
+                  (pkg: (if (builtins.hasAttr pkg.name pkgsBySystem.${machine.pkgs.system}) then {
                     name = pkg.name;
-                    value = pkg;
+                    value = pkgsBySystem.${machine.pkgs.system}.${pkg.name};
-                  })
+                  } else { }))
-                  machine.config.environment.systemPackages));
+                  machine.config.environment.systemPackages)));
               })
               (builtins.attrValues self.nixosConfigurations)) ++ [
               (forEachSystem (system: {
-                ${system}.${nixpkgs-fmt.legacyPackages.${system}.nixpkgs-fmt.name} = nixpkgs-fmt.legacyPackages.${system}.nixpkgs-fmt;
+                ${system}.${nixpkgs-fmt.legacyPackages.${system}.nixpkgs-fmt.name} = pkgsBySystem.${system}.${nixpkgs-fmt.legacyPackages.${system}.nixpkgs-fmt.name};
               }))
             ]
           ));