Flakeify home config

Use nix flakes instead of niv for pinning dependency channels.

First step towards merging my "nixos-system" and "nixos-home"
configs into a single trivially reproducible flake setup.

Apply home config via:

> nix build .#homeManagerConfigurations.common.activationPackage --impure
> ./result/activate

1 files changed, 2 insertions, 7 deletions

diff --git a/gui/emacs.nix b/gui/emacs.nix
index 6242cca..cec2bdf 100644
--- a/gui/emacs.nix
+++ b/gui/emacs.nix
@@ -1,11 +1,6 @@
-{ config, pkgs, sources, ... }:
+{ config, pkgs, pkgs-unstable, ... }:
 
-let
-  pkgs-unstable = import sources.nixpkgs-unstable {
-    overlays = [ (import sources.emacs-overlay) ];
-  };
-
-in {
+{
   programs.emacs = let
     akr-color-theme = pkgs.stdenv.mkDerivation {
       name = "emacs-color-theme-akr";