--- mono-4.4.1/mcs/class/monodoc/Monodoc/storage/ZipStorage.cs.orig	2018-11-26 22:16:25.008879747 +0100
+++ mono-4.4.1/mcs/class/monodoc/Monodoc/storage/ZipStorage.cs	2018-11-26 22:21:53.969770985 +0100
@@ -74,6 +74,12 @@
 				id = GetNewCode ();
 
 			ZipEntry entry = new ZipEntry (id);
+			var SOURCE_DATE_EPOCH_string = Environment.GetEnvironmentVariable("SOURCE_DATE_EPOCH");
+			if (SOURCE_DATE_EPOCH_string != null)
+			{
+				var SOURCE_DATE_EPOCH = Convert.ToInt64(SOURCE_DATE_EPOCH_string);
+				entry.DateTime = new DateTime(SOURCE_DATE_EPOCH, DateTimeKind.Utc);
+			}
 			zipOutput.PutNextEntry (entry);
 		}
 
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<tr><td><span title='2019-07-16 23:00:10 +0200'>2019-07-16</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=3fb3291e25a7827f1466fba4943c5098a0a0a524'>Use more guix.gnu.org.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-05-12 22:56:57 +0200'>2019-05-12</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=e0244eb7a2290781ef490b6cedbd9c753caf6004'>build-self: Let HOME pass through the execution environment.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-05-11 23:35:32 +0200'>2019-05-11</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=cbe7c99e711ae1f7f7228d1fa35ff61a44e61f82'>Revert "build-self: Let HOME pass through the execution environment."</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-05-11 20:10:26 +0200'>2019-05-11</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=48d498c2c3984784336b27ba5e261319f3ac6a3a'>build-self: Let HOME pass through the execution environment.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-23 16:39:00 +0200'>2019-04-23</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=04fa9c62d94e35fe0a978857458fac3c5e960aed'>build-self: Explain why we keep using deprecated bindings.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-23 00:47:41 +0200'>2019-04-23</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=ffc8ab75f10ecaaf52cdc38f5846e9af8e2dadd5'>Revert "build-self: Avoid deprecated bindings."</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-04-22 14:58:16 -0400'>2019-04-22</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=fa9e6e8b676ca920a894cf3b48bfcb670077144f'>build-self: Avoid deprecated bindings.</a><span class='msg-avail'>...</span></td><td>Mark H Weaver</td></tr>
<tr><td><span title='2019-04-17 11:53:53 +0200'>2019-04-17</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=ab77b69eca6959c9ce946ca18d218aab8ade1cc1'>self: Remove unused variable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-03-26 18:11:52 +0100'>2019-03-26</span></td><td><a href='/guix/commit/build-aux/build-self.scm?id=ec8bc4a34e99363f80b0156587892b5623709098'>build-self: Disable position recording.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>