From ac2d8303f1f740f437e721b700b5044886557b30 Mon Sep 17 00:00:00 2001
From: Joachim Bauch <bauch@struktur.de>
Date: Tue, 16 Feb 2016 17:56:43 +0100
Subject: [PATCH] Handle case where no files to cleanup exists. This fixes
 cases where "*.foo" expands to the string "*.foo" if no matching files exist.

---
 letsencrypt.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/letsencrypt.sh b/letsencrypt.sh
index dc16464..040d622 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -701,6 +701,9 @@ command_cleanup() {
 
       # Loop over all files of this type
       for file in "${certdir}/${filebase}-"*".${fileext}"; do
+        # Handle case where no files match the wildcard
+        [[ -f "${file}" ]] || break
+
         # Check if current file is in use, if unused move to archive directory
         filename="$(basename "${file}")"
         if [[ ! "${filename}" = "${current}" ]]; then
-- 
2.39.5