From 38e65cfbec05fc4baabed8a24d6692dfad78ba5c Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Fri, 21 Feb 2025 10:44:58 -0800
Subject: cdunalias: improve test for undefined alias.

* cdlog.sh (cdlog.unalias); Improve the test for
undefined alias, which is wrongly treating empty
as undefined.
---
 cdlog.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cdlog.sh b/cdlog.sh
index feebfda..2721550 100644
--- a/cdlog.sh
+++ b/cdlog.sh
@@ -503,7 +503,7 @@ cdlog.unalias()
   local alias
 
   for alias in "$@"; do
-    if [ -n "${cdlog_alias[$alias]-}" ]; then
+    if [ "${cdlog_alias[$alias]+y}" == y ]; then
       unset cdlog_alias[$alias]
     else
       printf "no such cdlog alias: %s\n" "$alias"
-- 
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