make arguments to _mktemp optional (fixes #178)

75985c6a · Lukas Schauer · 33f07fcc · 75985c6a
Commit 75985c6a authored Apr 05, 2016 by Lukas Schauer
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letsencrypt.sh letsencrypt.sh +2 -1

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--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -24,7 +24,8 @@ BASEDIR="${SCRIPTDIR}"
 # Create (identifiable) temporary files
 _mktemp() {
-  mktemp -t letsencrypt.sh-XXXXXX "${@}"
+  # shellcheck disable=SC2068
+  mktemp -t letsencrypt.sh-XXXXXX ${@:-}
 }
 # Check for script dependencies