nix: add channel configuration and rework update process

nix/home-manager/configuration/removable-desktop.nix

@@ -1,11 +1,9 @@
 { pkgs
-, config, 
+, config,
 ... }:
 
 let
-  # gitpkgs = import /home/steveej/src/github/NixOS/nixpkgs {};
-  unstablepkgs = import <nixos-unstable> {};
-
+  unstablepkgs = import <nixos-unstable> { config = config.nixpkgs.config; };
 in {
   imports = [
     ../profiles/common.nix
@@ -27,7 +25,7 @@ in {
     };
 
     packageOverrides = pkgs: with pkgs; {
-      myPython36 = python36Full.withPackages (ps: with ps; [ 
+      myPython36 = python36Full.withPackages (ps: with ps; [
         pylint pep8 yapf flake8
         # autopep8 (broken)
         # pylint (broken)
@@ -53,11 +51,15 @@ in {
     };
   };
 
+  # gitpkgs = import /home/steveej/src/github/NixOS/nixpkgs {};
+  # unstablepkgs = import <nixos-unstable> { config = { allowUnfree = true; }; };
+
   home.sessionVariables = {
   };
 
-  home.packages = []
-    ++ (with pkgs; [
+
+  home.packages =
+    [] ++ (with pkgs; [
       # Authentication
       cacert
       fprintd
@@ -67,12 +69,10 @@ in {
       # Nix package related tools
       patchelf
       nix-index
-      nox
       nix-prefetch-scripts
 
       # Version Control Systems
       git-crypt
-      unstablepkgs.pijul
       gitFull
       gitless
       mr
@@ -111,7 +111,7 @@ in {
       iftop
       iperf
       bind
-      socat 
+      socat
 
       # samba
       iptables
@@ -156,6 +156,6 @@ in {
       ## Python
       myPython36
 
-      busyboxStatic 
-  ]); 
+      busyboxStatic
+  ]);
 }

nix/home-manager/configuration/root.nix

@@ -0,0 +1,35 @@
+{ pkgs
+, config, 
+... }:
+
+let
+  # gitpkgs = import /home/steveej/src/github/NixOS/nixpkgs {};
+  # unstablepkgs = import <nixos-unstable> {};
+
+in {
+  imports = [
+    ../profiles/common.nix
+    ../profiles/nix-channels.nix
+    ../programs/neovim.nix
+    ../programs/zsh.nix
+  ];
+
+  nixpkgs.config = {
+    packageOverrides = pkgs: with pkgs; {
+    };
+  };
+
+  home.sessionVariables = {
+  };
+
+  home.packages = []
+    ++ (with pkgs; [
+      # Authentication
+      mkpasswd
+
+      # Version Control Systems
+      git-crypt
+      gitFull
+      mr
+  ]); 
+}