Source: libbson
Version: 1.3.5-1
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi,

Whilst working on the "reproducible builds" effort [0], we noticed
that libbson could not be built reproducibly.

Patch attached.

 [0] https://wiki.debian.org/ReproducibleBuilds


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-
--- a/debian/patches/0002_reproducible_build.patch      1969-12-31 
19:00:00.000000000 -0500
--- b/debian/patches/0002_reproducible_build.patch      2016-08-03 
19:59:31.672795427 -0400
@@ -0,0 +1,29 @@
+Description: Make the build reproducible
+Author: Chris Lamb <la...@debian.org>
+Last-Update: 2016-08-03
+
+--- libbson-1.3.5.orig/doc/mallard2man.py
++++ libbson-1.3.5/doc/mallard2man.py
+@@ -163,7 +163,12 @@ class Convert(object):
+         self._write('\n')
+ 
+     def _generateHeader(self):
+-        year = datetime.utcnow().year
++        try:
++            mtime = 
datetime.utcfromtimestamp(int(os.environ['SOURCE_DATE_EPOCH']))
++            year = mtime.year
++        except KeyError:
++            mtime = datetime.fromtimestamp(int(os.stat(self.inFile).st_mtime))
++            year = datetime.utcnow().year
+         self._writeComment('This manpage is Copyright (C) %s %s' % (year, 
COPYRIGHT_HOLDER))
+         self._writeComment('')
+         self._writeComment(
+@@ -175,7 +180,7 @@ class Convert(object):
+     "Free Documentation License\".")
+         self._writeComment('')
+ 
+-        date = 
datetime.fromtimestamp(int(os.stat(self.inFile).st_mtime)).strftime('%Y-%m-%d')
++        date = mtime.strftime('%Y-%m-%d')
+         title = self.title.replace('()','').upper()
+         self._write('.TH "%s" "%s" "%s" "%s"\n' % (title, self.section, date, 
GROUP))
+         self._write('.SH NAME\n')
--- a/debian/patches/series     2016-08-03 18:45:56.764275847 -0400
--- b/debian/patches/series     2016-08-03 19:59:45.473071418 -0400
@@ -1 +1,2 @@
 0001_use_system_yajl.patch
+0002_reproducible_build.patch
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