From c26cfa40f6f9e162195d15b987b3e7e45ce6406b Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sun, 25 Feb 2024 18:34:46 -0800
Subject: Bugfix: handle empty argument in cdlog.chdir.

* cdlog.sh (cdlog.chdir): Do not treat an empty argument
as a valid alias. In that case just return.
---
 cdlog.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cdlog.sh b/cdlog.sh
index 652efaf..0a9b032 100644
--- a/cdlog.sh
+++ b/cdlog.sh
@@ -152,12 +152,15 @@ cdlog.chdir()
     case $2 in
     ( */* )
       ;;
-    ( * )
+    ( ?* )
       def=${cdlog_alias[$2]}
       if [ -n "$def" ] ; then
           set -- -P "$def"
       fi
       ;;
+    ( * )
+      return 0
+      ;;
     esac
   fi
 
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