From f4d8ab880a58e00af5a7fcda112baa7de2f8f0df Mon Sep 17 00:00:00 2001
From: sefidel <contact@sefidel.net>
Date: Sun, 11 Feb 2024 02:11:21 +0900
Subject: feat(project)!: support nixos-rebuild and hydra

---
 lib/system.nix | 47 ++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 36 insertions(+), 11 deletions(-)

(limited to 'lib/system.nix')

diff --git a/lib/system.nix b/lib/system.nix
index 8fc4dce..e1709e3 100644
--- a/lib/system.nix
+++ b/lib/system.nix
@@ -1,22 +1,47 @@
-{ self, inputs, lib, pkgs, ... }:
+{ self, inputs, lib, pkgs, ... } @ args:
 
 with lib;
 with lib.my;
 {
-  mkSystem = path: attrs @ { ... }: {
-    imports = [
+  mkSystem = { hostPath, nixpkgs ? inputs.unstable, system ? "x86_64-linux", overlays ? null, extraModules ? null }:
+    nixpkgs.lib.nixosSystem (
       {
-        networking.hostName = mkDefault
-          (removeSuffix ".nix" (baseNameOf path));
-        system.configurationRevision = self.rev or "dirty";
+        system = system;
+
+        specialArgs = args;
+
+        modules = [
+          {
+            networking.hostName = mkDefault (removeSuffix ".nix" (baseNameOf hostPath));
+            nix.flakes.enable = true;
+            system.configurationRevision = self.rev or "dirty";
+            documentation.man = { enable = true; generateCaches = true; };
+          }
+          (import hostPath)
+        ] ++ mapModulesRec' ../modules import
+        ++ nixpkgs.lib.optional (overlays != null) { nixpkgs.overlays = overlays; }
+        ++ nixpkgs.lib.optionals (extraModules != null) extraModules;
+
+        # let deployment options to be set without breaking eval on nixosConfigurations
+        extraModules = [ inputs.colmena.nixosModules.deploymentOptions ];
       }
-      ../. # /default.nix
-      (import path)
-    ];
-  };
+    );
 
   mapSystems = dir: attrs @ { system ? system, ... }:
     mapModules dir
-      (hostPath: mkSystem hostPath attrs);
+      (hostPath: mkSystem { inherit hostPath; });
+
+  mkColmenaFromNixOSConfigurations = conf:
+    {
+      meta = {
+        # Colmena requirement. Will be overridden in nodeNixpkgs.
+        nixpkgs = import inputs.unstable { system = "x86_64-linux"; };
+        nodeNixpkgs = builtins.mapAttrs (_: value: value.pkgs) conf;
+        nodeSpecialArgs = builtins.mapAttrs (_: value: value._module.specialArgs) conf;
+      };
+    } // builtins.mapAttrs (_: value: { imports = value._module.args.modules; }) conf;
+
+  mkHydraFromNixOSConfigurations = conf:
+    mapAttrs' (name: value: { name = "nixos-${name}"; value = value.config.system.build.toplevel; }) conf;
 }
 
-- 
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