From 8ec6ada4b1fb7c10b5abda1216daa4502b01ada3 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Wed, 18 Aug 2021 18:46:32 +0200
Subject: Set default derivation, update README

---
 README.md | 19 ++++++++++++-------
 flake.nix | 39 ++++++++++++++++++++++-----------------
 2 files changed, 34 insertions(+), 24 deletions(-)

diff --git a/README.md b/README.md
index 4137dde..85b0eac 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 This repository fully describes my current NixOS user environment in a completely reproducible manner using [home-manager](https://github.com/rycee/home-manager/).
 Coupling this with the declarative system configuration in [nixos_system](https://code.kummerlaender.eu/nixos_system) I am able to trivially maintain a common computing environment across multiple machines.
-Furthermore it is possible to reproduce this environment on a new computer within half an hour given a sufficiently good network connection.
+Furthermore it is possible to reproduce this environment on a new computer in the time it takes to download and build the derivations.
 
 ## Overview
 
@@ -10,15 +10,20 @@ The desktop environment consisting of XMonad, custom theming and a selection of
 
 `home-manager` doesn't have to be installed in the user environment and is only required for applying the configuration.
 
-```sh
-nix-shell --command "home-manager switch"
-```
+## Host specific config
 
-This shell also provides the `niv` utility used for updating the fixed channels.
+The `host` folder contains a selection of host specific definitions to be selected via the hostname declared by the global system config.
 
-## Host specific config
+## Instantiation
 
-The `host` folder contains a selection of host specific definitions to be selected by symlinking the desired configuration as `host/current.nix`.
+If you are me and want to instantiate the setup on a new host:
+
+```sh
+nix flake clone git+https://code.kummerlaender.eu/nixos_home -f dotfiles 
+cd dotfiles
+cp host/$template.nix host/$hostname.nix
+nix run --impure
+```
 
 ## Modules
 
diff --git a/flake.nix b/flake.nix
index 7388919..1581269 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,27 +23,32 @@
       config = { allowUnfree = true; };
     };
 
-  in {
-    homeManagerConfigurations = {
-      common = home-manager.lib.homeManagerConfiguration {
-        configuration = { pkgs, ... }: {
-          _module.args = {
-            pkgs-personal = import personal { };
-            pkgs-unstable = import nixpkgs-unstable {
-              inherit system;
-              config = { allowUnfree = true; };
-              overlays = [ emacs.overlay ];
-            };
-          };
-          imports = [ ./home.nix ];
-          nixpkgs = {
+    home = home-manager.lib.homeManagerConfiguration {
+      configuration = { pkgs, ... }: {
+        _module.args = {
+          pkgs-personal = import personal { };
+          pkgs-unstable = import nixpkgs-unstable {
+            inherit system;
             config = { allowUnfree = true; };
+            overlays = [ emacs.overlay ];
           };
         };
-        system = system;
-        homeDirectory = "/home/common";
-        username = "common";
+        imports = [ ./home.nix ];
+        nixpkgs = {
+          config = { allowUnfree = true; };
+        };
       };
+      system = system;
+      homeDirectory = "/home/common";
+      username = "common";
+    };
+
+  in {
+    defaultPackage.x86_64-linux = home.activationPackage;
+
+    defaultApp.x86_64-linux = {
+      type = "app";
+      program = "${home.activationPackage}/activate";
     };
   };
 }
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