NixOS, user packages

Try and maintain compatibility with non-NixOS as well - on Tycho, I'll
still be using Ubuntu until I feel like I've gotten the hang of Nix(OS)
on ataraxia and retire it.

.config/nixpkgs/home.nix

@@ -11,6 +11,12 @@ in
   home.homeDirectory = "/home/earne";
 
   home.packages = with pkgs; [
+    # Doom Emacs + dependencies
+    pkgsUnstable.fd
+    pkgsUnstable.ripgrep
+    pkgsUnstable.emacs
+
+    alacritty
     gitFull
     pkgsUnstable.neovim
     tmux

.config/shell/start.sh

@@ -11,6 +11,9 @@ export XDG_USER_CONFIG_DIR="$XDG_CONFIG_HOME"
 export XDG_DATA_HOME="$HOME/.local/share"
 export XDG_CACHE_HOME="$HOME/.cache"
 
+# NixOS home-manager desktop files "fix"
+export XDG_DATA_DIRS="$HOME/.nix-profile/share:$XDG_DATA_DIRS"
+
 export LANG=en_CA.UTF-8
 # TZ
 
@@ -51,7 +54,7 @@ export NPM_CONFIG_USERCONFIG="$XDG_CONFIG_HOME/npm/npmrc"
 
 
 alias wget="wget --hsts-file=$XDG_CACHE_HOME/wget-hsts"
-export GNUPGHOME="$XDG_DATA_HOME/gnupg"
+# export GNUPGHOME="$XDG_DATA_HOME/gnupg" # Causes issues on NixOS
 
 
 export PATH # just in case

.config/zsh/.zshrc

@@ -82,5 +82,5 @@ zstyle ':vcs_info:git:*' formats '%F{240}(%b)%r%f'
 zstyle ':vcs_info:*' enable git
 
 # This must be placed at the end
-source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+[ -f /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh ] && source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh