Improve completions (bash-completions in zsh still broken)

.config/zsh/.zshrc

@@ -65,6 +65,14 @@ ZSH_CUSTOM=$ZDOTDIR/custom
 export plugin_path="$ZSH_CUSTOM/plugins"
 autoinstall run oh-my-zsh
 
+nix_completions="$HOME/.nix-profile/share/zsh/site-functions"
+if [ -d "$nix_completions" ]; then
+	fpath=($nix_completions $fpath)
+fi
+fpath=(
+	"$XDG_DATA_HOME/zsh/site-functions"
+	$fpath
+)
 
 # Which plugins would you like to load?
 # Standard plugins can be found in $ZSH/plugins/