From 8aaf7d35c198185e9d8713369b466d8c4f7ef541 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 7 Nov 2019 15:19:27 +0100
Subject: [PATCH] Fix displaying version number for rcX versions

---
 bin/installto.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/installto.sh b/bin/installto.sh
index c1c2f6815..46879f668 100755
--- a/bin/installto.sh
+++ b/bin/installto.sh
@@ -34,7 +34,7 @@ if (empty($target_dir) || !is_dir(realpath($target_dir)))
 
 // read version from iniset.php
 $iniset = @file_get_contents($target_dir . '/program/include/iniset.php');
-if (!preg_match('/define\(.RCMAIL_VERSION.,\s*.([0-9.]+[a-z-]*)/', $iniset, $m))
+if (!preg_match('/define\(.RCMAIL_VERSION.,\s*.([0-9.]+[a-z0-9-]*)/', $iniset, $m))
     rcube::raise_error("No valid Roundcube installation found at $target_dir", false, true);
 
 $oldversion = $m[1];