From ecb074fc541fba8e316a1715eb65d5fc6f3a8978 Mon Sep 17 00:00:00 2001
From: Adam Hellberg <sharparam@sharparam.com>
Date: Tue, 20 Jun 2023 20:40:23 +0200
Subject: [PATCH] [zsh] Fix setting XDG_DATA_DIRS breaking KDE Plasma

Setting XDG_DATA_DIRS in .zshenv means it will no longer fall back to
the default values, so we need to first add those if XDG_DATA_DIRS is
empty.

Not doing this causes KDE Plasma to fail to launch (stuck at a black
screen).
---
 zsh/.zshenv | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/zsh/.zshenv b/zsh/.zshenv
index 6323baf..4299441 100644
--- a/zsh/.zshenv
+++ b/zsh/.zshenv
@@ -30,7 +30,14 @@ export NIX_REMOTE=daemon
 export BASE16_THEME="eighties"
 export CATPPUCCIN_THEME="macchiato"
 
-export XDG_DATA_DIRS="$HOME/.nix-profile/share:$XDG_DATA_DIRS"
+if [[ -z "$XDG_DATA_DIRS" ]]; then
+  export XDG_DATA_DIRS="/usr/local/share:/usr/share"
+fi
+
+nix_share="$HOME/.nix-profile/share:$XDG_DATA_DIRS"
+if [[ ":${XDG_DATA_DIRS}:" != *":${nix_share}:"* ]]; then
+  export XDG_DATA_DIRS="${nix_share}${XDG_DATA_DIRS:+:${XDG_DATA_DIRS}}"
+fi
 
 # WTF, Ansible?
 export ANSIBLE_NOCOWS=1
-- 
2.54.0