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From "Chris Bowditch (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FOP-2854) CreationDate in PDF metadata breaks reproducible builds
Date Mon, 22 Jul 2019 14:17:00 GMT

    [ https://issues.apache.org/jira/browse/FOP-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890198#comment-16890198
] 

Chris Bowditch commented on FOP-2854:
-------------------------------------

I don't see how fixing the create date to the Unix Epoch will help you compare linux distros
either. As I mentioned above if you regenerate a PDF File, internal IDs could change as well
as the date. So an alternative means of comparing PDFs within Linux distros is needed. Or
perhaps a PDF should be treated as static when rebuilding the Linux distro

> CreationDate in PDF metadata breaks reproducible builds
> -------------------------------------------------------
>
>                 Key: FOP-2854
>                 URL: https://issues.apache.org/jira/browse/FOP-2854
>             Project: FOP
>          Issue Type: Improvement
>          Components: renderer/pdf
>    Affects Versions: 2.3
>         Environment: Debian GNU/Linux
>            Reporter: Filippo Rusconi
>            Priority: Major
>
> Greetings,
> I would like to report that the CreationDate value that is set in the PDF file changes
at each run. This is problematic because that makes it impossible to run FOP in the context
of reproducible builds (see https://wiki.debian.org/ReproducibleBuilds).
> Would it be possible to create an option to set that date value manually or some equivalent
solution to this problem ?
> Thank you so much for your work on FOP !
> Regards,
> Filippo



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