Bug#1056572: maildir-utils: please make the build reproducible

["Chris Lamb" <lamby@debian.org>]

Source: maildir-utils
Version: 1.10.8-1
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0], we noticed that
maildir-utils could not be built reproducibly:

├── ./usr/share/man/man1/mu-add.1.gz
│ ├── mu-add.1
│ │ @@ -85,15 +85,15 @@
│ │  Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
│ │  
│ │  .SH "COPYRIGHT"
│ │  .PP
│ │  This manpage is part of \fBmu\fP 1.10.8.
│ │  
│ │  .PP
│ │ -Copyright © 2022-2024 Dirk-Jan C. Binnema. License GPLv3+: GNU GPL version 3
│ │ +Copyright © 2022-2023 Dirk-Jan C. Binnema. License GPLv3+: GNU GPL version 3
│ │  or later \fIhttps://gnu.org/licenses/gpl.html\fP. This is free software: you are

A patch is attached that seeds this value from the SOURCE_DATE_EPOCH
environment variable.

 [0] https://reproducible-builds.org/


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby@debian.org / chris-lamb.co.uk
       `-

--- a/debian/patches/reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/reproducible-build.patch	2023-11-23 10:29:51.399821031 +0000
@@ -0,0 +1,21 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby@debian.org>
+Last-Update: 2023-11-23
+
+--- maildir-utils-1.10.8.orig/man/meson.build
++++ maildir-utils-1.10.8/man/meson.build
+@@ -66,7 +66,13 @@ man_orgs=[
+ 
+ env = environment()
+ env.set('LANG', 'C')
+-yearmonth = run_command('date', '+%B %Y', check:true, capture:true, env: env)
++cmd = run_command('sh', '-c', 'echo $SOURCE_DATE_EPOCH')
++# https://reproducible-builds.org/docs/source-date-epoch/#meson
++source_date_epoch = cmd.stdout().strip()
++if source_date_epoch == ''
++	source_date_epoch = run_command('date', '+%s').stdout().strip()
++endif
++yearmonth = run_command('date', '-u', '-d', '@' + source_date_epoch, '+%B %Y', check:true, capture:true, env: env)
+ ym=yearmonth.stdout().strip()
+ 
+ foreach src : man_orgs
--- a/debian/patches/series	2023-11-23 10:05:00.063724061 +0000
--- b/debian/patches/series	2023-11-23 10:29:50.287802884 +0000
@@ -5,3 +5,4 @@
 more-man-page-fixes.patch
 typo-fixes.patch
 remove-mu4e-builddir.patch
+reproducible-build.patch