From: Lukas Schauer <lukas@schauer.so>
Date: Sat, 4 Jun 2016 02:12:21 +0000 (+0200)
Subject: changed dependency check for diff to be compatible with openbsd diff (fixes #219)
X-Git-Url: https://git.street.me.uk/andy/dehydrated.git/commitdiff_plain/f4138efab94ba1a887943bfcfe40d02285b3e14c

changed dependency check for diff to be compatible with openbsd diff (fixes #219)
---

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 2d2522f..bb5f312 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -35,7 +35,7 @@ check_dependencies() {
   _sed "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
   command -v grep > /dev/null 2>&1 || _exiterr "This script requires grep."
   _mktemp -u > /dev/null 2>&1 || _exiterr "This script requires mktemp."
-  diff -v > /dev/null || _exiterr "This script requires diff."
+  diff -u /dev/null /dev/null || _exiterr "This script requires diff."
 
   # curl returns with an error code in some ancient versions so we have to catch that
   set +e