From 98c6819337e1b326be72276e97c732287c93aec6 Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Mon, 31 Jan 2022 16:49:32 -0500
Subject: o: add guide and xserver

---
 machines/oxygen.nix | 69 +++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 48 insertions(+), 21 deletions(-)

diff --git a/machines/oxygen.nix b/machines/oxygen.nix
index 83c4cf1..4aa933e 100644
--- a/machines/oxygen.nix
+++ b/machines/oxygen.nix
@@ -1,11 +1,30 @@
 { config, lib, pkgs, ... }:
 
-# airgapped machine, for setting up gpg keys
+# airgapped machine, for setting up keys
 
 # github.com/dhess/nixos-yubikey
+# github.com/Mic92/dotfiles/blob/master/nixos/images/yubikey-image.nix
 
 let
   nixpkgs = builtins.fetchTarball (import ../nixpkgs.nix);
+  guide = pkgs.stdenv.mkDerivation {
+    name = "yubikey-guide.2021.1.31.html";
+    src = pkgs.fetchFromGitHub {
+      owner = "drduh";
+      repo = "YubiKey-Guide";
+      rev = "fe6434577bce964aefd33d5e085d6ac0008e17ce";
+      sha256 = lib.fakeSha256;
+    };
+    buildInputs = [ pkgs.pandoc ];
+    installPhase = "pandoc --highlight-style pygments -s --toc README.md -o $out";
+  };
+  gpg-conf = pkgs.fetchurl {
+      url = "https://raw.githubusercontent.com/drduh/config/75ec3f35c6977722d4dba17732d526f704f256ff/gpg.conf";
+      sha256 = "sha256-LK29P4+ZAvy9ObNGDNBGP/8+MIUY3/Uo4eJtXhwMoE0=";
+  };
+  gpg-agent-conf = pkgs.writeText "gpg-agent.conf" ''
+    pinentry-program ${pkgs.pinentry-curses}/bin/pinentry-curses
+  '';
 in {
   isoImage.isoBaseName = "oxygen";
   isoImage.edition = "o2";
@@ -51,6 +70,7 @@ in {
     ent # entropy
     gnupg
     (haskell.lib.justStaticExecutables haskellPackages.hopenpgp-tools)
+    midori
     mkpasswd
     paperkey # store pgp keys on paper
     parted
@@ -64,20 +84,19 @@ in {
     yubikey-manager
     yubikey-personalization
   ];
-  services.udev.packages = [
-    pkgs.yubikey-personalization
-  ];
+  services.udev.packages = [ pkgs.yubikey-personalization ];
 
-  environment.interactiveShellInit = let
-    gpg-agent-conf = pkgs.writeText "gpg-agent.conf" ''
-      pinentry-program ${pkgs.pinentry-curses}/bin/pinentry-curses
-    '';
-  in ''
-    unset HISTFILE
-    export GNUPGHOME=/run/user/$(id -u)/gnupg
+  environment.shellInit = ''
+    export GPG_TTY="$(tty)"
+    gpg-connect-agent /bye
+  '';
+
+  environment.interactiveShellInit = ''
+    export GNUPGHOME=/run/user/$(id -u)/gnupghome
     [ -d $GNUPGHOME ] || install -m 0700 -d $GNUPGHOME
-    cp ${gpg-agent-conf} $GNUPGHOME/gpg-agent.conf
-    echo "\$GNUPGHOME is $GNUPGHOME"
+    cp ${gpg-conf} "$GNUPGHOME/gpg.conf"
+    cp ${gpg-agent-conf} "$GNUPGHOME/gpg-agent.conf"
+    echo "\$GNUPGHOME has been setup for you. Generated keys will be in $GNUPGHOME"
   '';
 
   nixpkgs.config.allowUnfree = false;
@@ -92,14 +111,22 @@ in {
   services.pcscd.enable = true;
   services.printing.enable = true;
 
-  #services.xserver.enable = true;
-  #services.xserver.autorun = true;
-  #services.xserver.layout = "us";
-  #services.xserver.libinput.enable = true;
-  #services.xserver.xkbOptions = "caps:ctrl_modifier";
-  #services.xserver.displayManager.lightdm.enable = true;
-  #services.xserver.windowManager.xmonad.enable = true;
-  #services.xserver.desktopManager.xterm.enable = true;
+  services.xserver.enable = true;
+  services.xserver.autorun = true;
+  services.xserver.layout = "us";
+  services.xserver.libinput.enable = true;
+  services.xserver.xkbOptions = "caps:ctrl_modifier";
+
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.displayManager.autoLogin.enable = true;
+  services.xserver.displayManager.defaultSession = "xfce";
+  services.xserver.displayManager.sessionCommands = ''
+    ${pkgs.midori}/bin/midori ${guide} &
+    ${pkgs.xfce.terminal}/bin/xfce4-terminal &
+  '';
+
+  services.xserver.desktopManager.xterm.enable = false;
+  services.xserver.desktopManager.xfce.enable = true;
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
-- 
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