Debian Bug report logs - #834190
perl: please make the output of ExtUtils::Command::MM reproducible

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Chris Lamb <lamby@debian.org>

To: submit@bugs.debian.org

Subject: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Fri, 12 Aug 2016 22:39:13 +0100

[Message part 1 (text/plain, inline)]

Source: perl
Version: 5.22.2-3
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps toolchain
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0], I noticed
that ExtUtils::Command::MM generates perllocal.pod files that are
not reproducible.

For example:

  -=head2 Sun Jul  3 14:56:53 2016: C<Mod  [..]
  +=head2 Sun Aug  6 23:18:50 2017: C<Mod  [..]

Patch attached.

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


Regards,

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

[perl.diff.txt (text/plain, attachment)]

Message #10 received at 834190@bugs.debian.org (full text, mbox, reply):

From: Chris Lamb <lamby@debian.org>

To: 834190@bugs.debian.org

Subject: Re: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Sun, 28 Aug 2016 16:25:00 +0100

Hi,

> perl: please make the output of ExtUtils::Command::MM reproducible

See also #835815.


Regards,

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

Message #19 received at 834190-close@bugs.debian.org (full text, mbox, reply):

From: Dominic Hargreaves <dom@earth.li>

To: 834190-close@bugs.debian.org

Subject: Bug#834190: fixed in perl 5.22.2-4

Date: Thu, 01 Sep 2016 12:35:09 +0000

Source: perl
Source-Version: 5.22.2-4

We believe that the bug you reported is fixed in the latest version of
perl, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 834190@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Dominic Hargreaves <dom@earth.li> (supplier of updated perl package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


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Hash: SHA1

Format: 1.8
Date: Thu, 01 Sep 2016 11:47:02 +0100
Source: perl
Binary: perl-base perl-doc perl-debug libperl5.22 libperl-dev perl-modules-5.22 perl
Architecture: source
Version: 5.22.2-4
Distribution: unstable
Urgency: low
Maintainer: Niko Tyni <ntyni@debian.org>
Changed-By: Dominic Hargreaves <dom@earth.li>
Description:
 libperl-dev - Perl library: development files
 libperl5.22 - shared Perl library
 perl       - Larry Wall's Practical Extraction and Report Language
 perl-base  - minimal Perl system
 perl-debug - debug-enabled Perl interpreter
 perl-doc   - Perl documentation
 perl-modules-5.22 - Core Perl modules
Closes: 588017 834190 835815
Changes:
 perl (5.22.2-4) unstable; urgency=low
 .
   * Fix test failure when '.' has been removed from @INC
   * Remove '.' from @INC by default (Closes: #588017)
     + this behaviour can (for now) be disabled by commenting out the
       last line of /etc/perl/sitecustomize.pl
   * Make perllocal.pod files reproducible. Thanks to Chris Lamb
     (Closes: #834190, #835815)
Checksums-Sha1:
 c1a9c4729af29384780f102e8343a5421b02ef1d 2333 perl_5.22.2-4.dsc
 54471a125065e2fb608f5b2116470a2008827983 162708 perl_5.22.2-4.debian.tar.xz
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 d4eb31130e97c86f1d8515dfb6fbc5143dc702999284cbd17dee33a7f0b09641 162708 perl_5.22.2-4.debian.tar.xz
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 742e840286e1b74a5448d5ef338c7101 2333 perl standard perl_5.22.2-4.dsc
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Message #32 received at 834190@bugs.debian.org (full text, mbox, reply):

From: Dominic Hargreaves <dom@earth.li>

To: Chris Lamb <lamby@debian.org>

Cc: 834190@bugs.debian.org

Subject: Re: Bug#834190: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Tue, 7 Feb 2017 22:34:09 +0000

On Fri, Aug 12, 2016 at 10:39:13PM +0100, Chris Lamb wrote:
> Whilst working on the Reproducible Builds effort [0], I noticed
> that ExtUtils::Command::MM generates perllocal.pod files that are
> not reproducible.
> 
> For example:
> 
>   -=head2 Sun Jul  3 14:56:53 2016: C<Mod  [..]
>   +=head2 Sun Aug  6 23:18:50 2017: C<Mod  [..]
> 
> Patch attached.
> 
>  [0] https://reproducible-builds.org/

Hi Chris,

Could you clarify how this showed up as an issue as part of the
reproducible builds work? There seems to be some resistance to the
change in https://github.com/Perl-Toolchain-Gang/ExtUtils-MakeMaker/pull/279
that I don't quite understand, and it'd be nice to demonstrate more
clearly that it's relevant outside Debian...

Cheers,
Dominic.

Message #37 received at 834190@bugs.debian.org (full text, mbox, reply):

From: Chris Lamb <lamby@debian.org>

To: Dominic Hargreaves <dom@earth.li>

Cc: 834190@bugs.debian.org

Subject: Re: Bug#834190: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Wed, 08 Feb 2017 15:48:56 +1300

Hi Dominic,

> Could you clarify how this showed up as an issue as part of the
> reproducible builds work?

Not sure how I can add beyond the original bug report alas :) However,
what I was seeing was that ExtUtils::Command::MM was generating
"perllocal.pod" files that contained the current time of day,
hence the patch.

> A reproducible build should just disable perllocal generation
>
>   — https://github.com/Perl-Toolchain-Gang/ExtUtils-MakeMaker/pull/279

I'm afraid I just don't know -- am not deep enough into Perl packaging
to know the impact of this.

Let me comment on there actually...


Regards,

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

Message #42 received at 834190@bugs.debian.org (full text, mbox, reply):

From: Dominic Hargreaves <dom@earth.li>

To: Chris Lamb <lamby@debian.org>, 834190@bugs.debian.org

Subject: Re: Bug#834190: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Wed, 8 Feb 2017 10:28:45 +0000

On Wed, Feb 08, 2017 at 03:48:56PM +1300, Chris Lamb wrote:
> Hi Dominic,
> 
> > Could you clarify how this showed up as an issue as part of the
> > reproducible builds work?
> 
> Not sure how I can add beyond the original bug report alas :) However,
> what I was seeing was that ExtUtils::Command::MM was generating
> "perllocal.pod" files that contained the current time of day,
> hence the patch.

I suppose my question was whether you saw this in the context of
a package build (which would be odd, but I'm sure there are cases
where it happens) or at some other time (in which case, is there
still a justification for working towards reproducibility)? I appreciate
this was a long time ago so you may not have the information, and I
should have asked this at the time.

perllocal.pod generation is already disabled for vendor installs so either
there is a bug in that or you saw the generation happening elsewhere.

https://sources.debian.net/src/perl/5.24.1-1/debian/patches/debian/no_packlist_perllocal.diff/

> > A reproducible build should just disable perllocal generation
> >
> >   — https://github.com/Perl-Toolchain-Gang/ExtUtils-MakeMaker/pull/279
> 
> I'm afraid I just don't know -- am not deep enough into Perl packaging
> to know the impact of this.
> 
> Let me comment on there actually...

Thanks!
Dominic.

Message #47 received at 834190@bugs.debian.org (full text, mbox, reply):

From: Chris Lamb <lamby@debian.org>

To: Dominic Hargreaves <dom@earth.li>, 834190@bugs.debian.org

Subject: Re: Bug#834190: perl: please make the output of ExtUtils::Command::MM reproducible

Date: Thu, 09 Feb 2017 09:54:28 +1300

Hi Dominic,

> I suppose my question was whether you saw this in the context of
> a package build (which would be odd, but I'm sure there are cases
> where it happens) or at some other time

Package builds, definitely. :)

Digging into the history of our "notes.git", this was (at least) in
rt-extension-customfieldsonupdate and rt-extension-spawnlinkedticketinqueue.


Regards,

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

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