From d85957eeedaa45bebec5a621a687a748e62caca4 Mon Sep 17 00:00:00 2001
From: Hare <kei.hiracchi.0928@gmail.com>
Date: Sat, 17 Oct 2026 00:01:06 +0900
Subject: [PATCH] feat: make nh host selection automatic

---
 README.md         | 4 ++--
 hosts/default.nix | 7 ++++++-
 hosts/mkHost.nix  | 2 ++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 9d26ac4..33acf45 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ nix run .#home-manager -- switch --flake .#<username>@<host>
 `nh` 導入後:
 
 ```
-nh os switch -H <host>
+nh os switch
 
-nh home switch -c <username>@<host>
+nh home switch
 ```
diff --git a/hosts/default.nix b/hosts/default.nix
index 09a9938..c17dc86 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -5,6 +5,11 @@ rec {
     x1carbon = import ./x1carbon inputs;
     fungus = import ./fungus inputs;
   };
-  nixos = builtins.mapAttrs (_: host: host.nixos) hosts;
+  nixos = builtins.listToAttrs (
+    map (host: {
+      name = host.hostname;
+      value = host.nixos;
+    }) (builtins.attrValues hosts)
+  );
   home-manager = builtins.foldl' (a: b: a // b) { } (map (h: h.home-manager) (builtins.attrValues hosts));
 }
diff --git a/hosts/mkHost.nix b/hosts/mkHost.nix
index f325f43..207a359 100644
--- a/hosts/mkHost.nix
+++ b/hosts/mkHost.nix
@@ -12,6 +12,8 @@ let
   };
 in
 {
+  inherit hostname;
+
   nixos = inputs.nixpkgs.lib.nixosSystem {
     modules =
       systemModules