From: Joachim Bauch <bauch@struktur.de>
Date: Tue, 16 Feb 2016 16:56:43 +0000 (+0100)
Subject: Handle case where no files to cleanup exists.
X-Git-Tag: v0.1.0~12^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F141%2Fhead;p=thirdparty%2Fdehydrated.git

Handle case where no files to cleanup exists.
This fixes cases where "*.foo" expands to the string "*.foo" if no matching files exist.
---

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