45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
# HG changeset patch
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# User Bernhard M. Wiedemann <bwiedemann@suse.de>
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# Date 1502609999 -7200
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# Sun Aug 13 09:39:59 2017 +0200
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# Node ID a98e00eed893f62dd8349fc2894abca3aff4b33a
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# Parent 41ce01b7d413b3654211da0147857e7d6a1495de
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Facilitate reproducible builds
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by allowing to externally hold constant the build date and time.
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See
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https://reproducible-builds.org/specs/source-date-epoch/
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Backport asap.
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diff -r 41ce01b7d413 -r a98e00eed893 NEWS
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--- a/NEWS Sun Aug 13 09:39:56 2017 +0200
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+++ b/NEWS Sun Aug 13 09:39:59 2017 +0200
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@@ -48,6 +48,12 @@
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https://github.com/akrzemi1/Optional
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where only "optional.hpp" is needed.
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+- The environment variable SOURCE_DATE_EPOCH overrides the build
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+ timestamp as recorded by the signatures. See
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+ https://reproducible-builds.org/specs/source-date-epoch/
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+ for details.
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+
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+
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* Version 4.2 "Compressor Road"
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diff -r 41ce01b7d413 -r a98e00eed893 src/DefaultSig.pm
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--- a/src/DefaultSig.pm Sun Aug 13 09:39:56 2017 +0200
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+++ b/src/DefaultSig.pm Sun Aug 13 09:39:59 2017 +0200
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@@ -109,9 +109,10 @@
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sub update_date_and_time {
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my $self = shift;
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+ my $now = $ENV{SOURCE_DATE_EPOCH} || time;
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my ($second, $minute, $hour,
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$day_of_month, $month, $year,
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- $day_of_week) = $self->is_using_gmt() ? gmtime : localtime;
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+ $day_of_week) = $self->is_using_gmt() ? gmtime($now) : localtime($now);
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$self->{DATE} = $self->format_date($day_of_month, $month, $year + 1900, $day_of_week,
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$self->weekdays->[$day_of_week],
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