From 3e285e47372b69ebf1c4ac9f1d99954452ca4774 Mon Sep 17 00:00:00 2001
From: Scott Duensing <scott@kangaroopunch.com>
Date: Wed, 26 Jun 2019 21:12:14 -0500
Subject: [PATCH] (Mostly) Fixed tGetParentPath.

---
 towel.sh | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/towel.sh b/towel.sh
index 1f9a866..6f1b4df 100755
--- a/towel.sh
+++ b/towel.sh
@@ -35,6 +35,12 @@ tPURPLE=5
 tCYAN=6
 
 
+#
+#  Global variables used by Towel.
+#
+__tG__PARENTPATH="${BASH_SOURCE[0]}"
+
+
 #
 #   Draws bold white text inside a colored box.
 #
@@ -231,8 +237,10 @@ function tGetParentPath() {
 	local __RESULT=$1
 	local __PARENTPATH=
 
-	tFindPath __PARENTPATH "${BASH_SOURCE[1]}"
-	__TOWELPATH="${__PARENTPATH}/`basename \"${BASH_SOURCE[1]}\"`"
+	# We have to initialize __tG__PARENTPATH before the calling script
+	# changes directories elsewhere.  We set it on load.
+	tFindPath __PARENTPATH "${__tG__PARENTPATH}"
+	__TOWELPATH="${__PARENTPATH}/`basename \"${__tG__PARENTPATH}\"`"
 
 	eval $__RESULT=\${__PARENTPATH}
 }