# HG changeset patch
# User Bernhard M. Wiedemann <bwiedemann@suse.de>
# Date 1502609999 -7200
#      Sun Aug 13 09:39:59 2017 +0200
# Node ID a98e00eed893f62dd8349fc2894abca3aff4b33a
# Parent  41ce01b7d413b3654211da0147857e7d6a1495de
Facilitate reproducible builds
by allowing to externally hold constant the build date and time.
See
        https://reproducible-builds.org/specs/source-date-epoch/

Backport asap.

diff -r 41ce01b7d413 -r a98e00eed893 NEWS
--- a/NEWS	Sun Aug 13 09:39:56 2017 +0200
+++ b/NEWS	Sun Aug 13 09:39:59 2017 +0200
@@ -48,6 +48,12 @@
           https://github.com/akrzemi1/Optional
   where only "optional.hpp" is needed.
 
+- The environment variable SOURCE_DATE_EPOCH overrides the build
+  timestamp as recorded by the signatures.  See
+          https://reproducible-builds.org/specs/source-date-epoch/
+  for details.
+
+
 
 * Version 4.2  "Compressor Road"
 
diff -r 41ce01b7d413 -r a98e00eed893 src/DefaultSig.pm
--- a/src/DefaultSig.pm	Sun Aug 13 09:39:56 2017 +0200
+++ b/src/DefaultSig.pm	Sun Aug 13 09:39:59 2017 +0200
@@ -109,9 +109,10 @@
 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],
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<div class='path'>path: <a href='/guix/log/?id=d3b010c38c449ea17bf7beba48de39acec26ae04'>root</a>/<a href='/guix/log/gnu?id=d3b010c38c449ea17bf7beba48de39acec26ae04'>gnu</a>/<a href='/guix/log/gnu/packages?id=d3b010c38c449ea17bf7beba48de39acec26ae04'>packages</a>/<a href='/guix/log/gnu/packages/distributed.scm?id=d3b010c38c449ea17bf7beba48de39acec26ae04'>distributed.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/distributed.scm?id=d3b010c38c449ea17bf7beba48de39acec26ae04&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-11-02 21:53:27 +0800'>2024-11-02</span></td><td><a href='/guix/commit/gnu/packages/distributed.scm?id=98d59a6040ec456115e638c28a4342dfd137de73'>gnu: Add distcc.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/distributed.scm (distcc): New package.

Change-Id: Ibf486fbb5661e31769d8f987fc787ddfb514e57c
</span></span></td><td>Noé Lopez</td></tr>
<tr><td><span title='2024-10-28 12:29:38 +0800'>2024-10-28</span></td><td><a href='/guix/commit/gnu/packages/distributed.scm?id=9d6f10e8756e8205740114deb61b7bf57ac7b4fe'>gnu: Remove boinc-server.</a><span class='msg-avail'>...<span class='msg-tooltip'>boinc-server is not supposed to be installed this (or any other) packaged way.
Also, it uses a completely different versioning scheme.

* gnu/packages/distributed.scm (boinc-server): Delete variable.

Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
Change-Id: I85c7176424c7db65eb5233bfefab01c62a0d757c
</span></span></td><td>Vitalii Koshura</td></tr>
<tr><td><span title='2024-09-12 12:39:20 +0800'>2024-09-12</span></td><td><a href='/guix/commit/gnu/packages/distributed.scm?id=607833ddedd195d13428247f82ec90115aff52fe'>gnu: boinc-client, boinc-server: Update to 8.0.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
Change-Id: If7748f84ee8259338170bf7ffc4accd7be33f291
</span></span></td><td>Vitalii Koshura</td></tr>
packages/gcc.scm?id=a365777ebd6296e548422da57de0c2884114fd8d'>gnu: gcc-10: Update to 10.3.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gcc.scm (gcc-10): Update to 10.3.0.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2021-03-25 16:59:01 +0000'>2021-03-25</span></td><td><a href='/guix/commit/gnu/packages/gcc.scm?id=a172def55ad762b2a9e796531b88da33a74ccce7'>gnu: gcc: Fix comment about gfortran.</a><span class='msg-avail'>...<span class='msg-tooltip'>Added by: cb4805e34c9997edca14743516b9a0fde6303d1c
Fixes: 0681f05486d901c92637c098bb7afddef35068b0

* gnu/packages/gcc.scm (gcc): Fix comment about gfortran.

Signed-off-by: Christopher Baines &lt;mail@cbaines.net&gt;
</span></span></td><td>Vincent Legoll</td></tr>
<tr><td><span title='2021-03-23 23:19:55 -0700'>2021-03-23</span></td><td><a href='/guix/commit/gnu/packages/gcc.scm?id=cac88b28b836e714b7b7e4c41b5e36a12df58925'>gnu: gcc-4.7: On powerpc64le, fix /lib64 references.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes: &lt;https://bugs.gnu.org/46253&gt;.

* gnu/packages/gcc.scm (gcc-4.7)[#:phases][pre-configure]: When the
gcc/config/rs6000 directory exists, replace "/lib64" with "/lib" in all files
within it.  Note that this fix will be picked up by any package that re-uses
the pre-configure phase from gcc-4.7 (e.g., all the usual gcc packages).
(make-libstdc++)[#:phases][fix-rs6000-libdir]: New phase, which does the same
as above.  It was necessary to duplicate the fix here because make-libstdc++
does not re-use the pre-configure phase from gcc-4.7.
</span></span></td><td>Chris Marusich</td></tr>