Bug#1031030: ruby-pgplot: please make the build reproducible

[Chris Lamb]

Source: ruby-pgplot
Version: 0.2.0-3
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0] we noticed that
ruby-pgplot could not be built reproducibly.

This is because it writes a timezone-dependent date to the docs:

│ │ │ │ │ -    <div>Last update: Apr 14 2018</div>
│ │ │ │ │ +    <div>Last update: Apr 16 2018</div>

Patch attached that converts this value to UTC first.

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


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
-------------- next part --------------
--- a/debian/patches/reproducible-build.patch	1969-12-31 16:00:00.000000000 -0800
--- b/debian/patches/reproducible-build.patch	2023-02-10 08:00:17.285056814 -0800
@@ -0,0 +1,15 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby at debian.org>
+Last-Update: 2023-02-10
+
+--- ruby-pgplot-0.2.0.orig/doc/myrd2html.rb
++++ ruby-pgplot-0.2.0/doc/myrd2html.rb
+@@ -13,7 +13,7 @@ while /^--/ =~ ARGV[0]
+ end
+ 
+ rdfile = ARGV.shift
+-$date = File.mtime(rdfile).strftime("%b %d %Y")
++$date = File.mtime(rdfile).utc.strftime("%b %d %Y ")
+ 
+ case $lang
+ when 'ja'
--- a/debian/patches/series	1969-12-31 16:00:00.000000000 -0800
--- b/debian/patches/series	2023-02-10 07:58:18.020123036 -0800
@@ -0,0 +1 @@
+reproducible-build.patch