File reproducibledate.patch of Package enblend-enfuse

is in upstream hg via
changeset:   1509:a98e00eed893
user:        Bernhard M. Wiedemann <bwiedemann suse.de>
date:        Sun Aug 13 09:39:59 2017 +0200
summary:     Facilitate reproducible builds

Index: enblend-enfuse-4.2/src/DefaultSig.pm
===================================================================
--- enblend-enfuse-4.2.orig/src/DefaultSig.pm
+++ enblend-enfuse-4.2/src/DefaultSig.pm
@@ -109,9 +109,10 @@ sub monthnames {my $self = shift;  retur
 sub update_date_and_time {
     my $self = shift;
 
+    my $now = $ENV{SOURCE_DATE_EPOCH} || time;
     my ($second, $minute, $hour,
         $day_of_month, $month, $year,
-        $day_of_week) = $self->is_using_gmt() ? gmtime : localtime;
+        $day_of_week) = $self->is_using_gmt() ? gmtime($now) : localtime($now);
 
     $self->{DATE} = $self->format_date($day_of_month, $month, $year + 1900, $day_of_week,
                                        $self->weekdays->[$day_of_week],