From 3714c0258838b2cb3a42311033b0b811ad77f78b Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Wed, 8 Nov 2023 18:31:48 -0700
Subject: [PATCH] don't assign customizeable variables if they're in the user's
 environment

---
 yt | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/yt b/yt
index d7e45f3..cb37d4c 100755
--- a/yt
+++ b/yt
@@ -20,10 +20,12 @@ set -e
 
 argv0="$0"
 com="$1"
-
-cachefile="$XDG_CACHE_HOME/yt.cache"
 FMT='%(title)s – %(channel)s (%(duration>%H:%M:%S)s) [%(webpage_url)s]'
-WBAPI='https://archive.org/wayback/available?url='
+
+test -n "$cachefile" \
+	|| cachefile="$XDG_CACHE_HOME/yt.cache"
+test -n "$WBAPI" \
+	|| WBAPI='https://archive.org/wayback/available?url='
 
 add() { # adds a video to a playlist file
 	while test -n "$2"; do