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Groups > linux.debian.devel > #84272

Re: Debian part of a version number when epoch is bumped

From Lars Wirzenius <liw@liw.fi>
Newsgroups linux.debian.devel
Subject Re: Debian part of a version number when epoch is bumped
Date 2018-02-14 15:20 +0100
Message-ID <vj64F-5PM-1@gated-at.bofh.it> (permalink)
References (6 earlier) <vhmGB-7WF-5@gated-at.bofh.it> <vic2u-2qA-5@gated-at.bofh.it> <vj3Tb-4jo-1@gated-at.bofh.it> <vj4Pf-4TA-1@gated-at.bofh.it> <vj5Lj-5uq-11@gated-at.bofh.it>
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On Wed, 2018-02-14 at 11:54 -0200, Henrique de Moraes Holschuh wrote:
> On Wed, 14 Feb 2018, Vincent Bernat wrote:
> > It's not only an infrastructure problem. If you Depends on X (>= 1.8),
> > this will be true with X 1:1.6 as well.
> 
> Only if your program is severely buggy.
> 
> Hint: either it matches dpkg --compare-versions exactly, or it is a
> severe bug.

For extra clarity:

$ if dpkg --compare-versions 1.8 '>=' 1:1.6; then echo 1.8 comes after
1:1.6; else echo no it does not; fi
no it does not
$ 

A version with a lower epoch (or no epoch, which is implicitly a zero
epoch) always compares less than one with a higher epoch. This is
regardless of what comes after the epoch in a version number.
Otherwise there would be little point to epochs.

For the gory details, see the policy manual:
https://www.debian.org/doc/debian-policy/#s-f-version

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Thread

Debian part of a version number when epoch is bumped Jeremy Bicha <jbicha@debian.org> - 2018-02-05 16:50 +0100
  Re: Debian part of a version number when epoch is bumped Matt Zagrabelny <mzagrabe@d.umn.edu> - 2018-02-05 17:00 +0100
  Re: Debian part of a version number when epoch is bumped Mattia Rizzolo <mattia@debian.org> - 2018-02-05 17:10 +0100
    Re: Debian part of a version number when epoch is bumped Colin Watson <cjwatson@debian.org> - 2018-02-06 09:40 +0100
      Re: Debian part of a version number when epoch is bumped Mattia Rizzolo <mattia@debian.org> - 2018-02-06 14:30 +0100
        Re: Debian part of a version number when epoch is bumped Colin Watson <cjwatson@debian.org> - 2018-02-06 23:30 +0100
          Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-07 13:20 +0100
          Re: Debian part of a version number when epoch is bumped Jonathan McDowell <noodles@earth.li> - 2018-02-07 11:10 +0100
            Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-07 18:00 +0100
          Re: Debian part of a version number when epoch is bumped Seth Arnold <seth.arnold@canonical.com> - 2018-02-08 00:50 +0100
            Re: Debian part of a version number when epoch is bumped Ian Jackson <ijackson@chiark.greenend.org.uk> - 2018-02-09 13:10 +0100
              Re: Debian part of a version number when epoch is bumped Philipp Kern <pkern@debian.org> - 2018-02-09 13:50 +0100
                Re: Debian part of a version number when epoch is bumped Ian Jackson <ijackson@chiark.greenend.org.uk> - 2018-02-09 17:10 +0100
                Re: Debian part of a version number when epoch is bumped Colin Watson <cjwatson@debian.org> - 2018-02-09 18:20 +0100
                Re: Debian part of a version number when epoch is bumped Philipp Kern <pkern@debian.org> - 2018-02-09 18:20 +0100
                Re: Debian part of a version number when epoch is bumped Russ Allbery <rra@debian.org> - 2018-02-09 18:30 +0100
                Re: Debian part of a version number when epoch is bumped Philipp Kern <pkern@debian.org> - 2018-02-09 19:00 +0100
                Re: Debian part of a version number when epoch is bumped Russ Allbery <rra@debian.org> - 2018-02-09 19:20 +0100
                Re: Debian part of a version number when epoch is bumped Andrey Rahmatullin <wrar@debian.org> - 2018-02-09 20:30 +0100
                Re: Debian part of a version number when epoch is bumped Jeremy Bicha <jbicha@debian.org> - 2018-02-09 20:40 +0100
                Re: Debian part of a version number when epoch is bumped Guillem Jover <guillem@debian.org> - 2018-02-12 03:30 +0100
                Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-14 13:00 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Bernat <bernat@debian.org> - 2018-02-14 14:00 +0100
                Re: Debian part of a version number when epoch is bumped Jeremy Bicha <jbicha@ubuntu.com> - 2018-02-14 14:50 +0100
                Re: Debian part of a version number when epoch is bumped Michael Biebl <biebl@debian.org> - 2018-02-14 16:40 +0100
                Re: Debian part of a version number when epoch is bumped Henrique de Moraes Holschuh <hmh@debian.org> - 2018-02-14 15:00 +0100
                Re: Debian part of a version number when epoch is bumped Lars Wirzenius <liw@liw.fi> - 2018-02-14 15:20 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Bernat <bernat@debian.org> - 2018-02-14 19:00 +0100
                Re: Debian part of a version number when epoch is bumped Lars Wirzenius <liw@liw.fi> - 2018-02-14 20:30 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Bernat <bernat@debian.org> - 2018-02-14 21:10 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 21:20 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Bernat <bernat@debian.org> - 2018-02-14 21:30 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 21:40 +0100
                Re: Debian part of a version number when epoch is bumped Russ Allbery <rra@debian.org> - 2018-02-14 22:00 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 22:30 +0100
                Re: Debian part of a version number when epoch is bumped Russ Allbery <rra@debian.org> - 2018-02-14 22:40 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 23:10 +0100
                Re: Debian part of a version number when epoch is bumped Russ Allbery <rra@debian.org> - 2018-02-14 23:20 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 23:40 +0100
                Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-15 11:20 +0100
                Re: Debian part of a version number when epoch is bumped Simon McVittie <smcv@debian.org> - 2018-02-15 11:50 +0100
                Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-15 12:30 +0100
                Re: Debian part of a version number when epoch is bumped Thibaut Paumard <thibaut@debian.org> - 2018-02-15 13:30 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Ladeuil <v.ladeuil+debian@free.fr> - 2018-02-15 15:10 +0100
                Re: Debian part of a version number when epoch is bumped Guillem Jover <guillem@debian.org> - 2018-02-16 03:10 +0100
                Re: Debian part of a version number when epoch is bumped Dimitri John Ledkov <xnox@debian.org> - 2018-03-12 12:40 +0100
                Re: Debian part of a version number when epoch is bumped Cédric Boutillier <boutil@debian.org> - 2018-03-12 18:50 +0100
                Re: Debian part of a version number when epoch is bumped Simon McVittie <smcv@debian.org> - 2018-02-15 01:00 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-14 21:50 +0100
                Re: Debian part of a version number when epoch is bumped Matt Zagrabelny <mzagrabe@d.umn.edu> - 2018-02-14 21:50 +0100
                Re: Debian part of a version number when epoch is bumped Adam Borowski <kilobyte@angband.pl> - 2018-02-15 08:50 +0100
                Re: Debian part of a version number when epoch is bumped gregor herrmann <gregoa@debian.org> - 2018-02-15 09:00 +0100
                Re: Debian part of a version number when epoch is bumped Adam Borowski <kilobyte@angband.pl> - 2018-02-15 09:30 +0100
                Re: Debian part of a version number when epoch is bumped Thibaut Paumard <thibaut@debian.org> - 2018-02-15 11:20 +0100
                Re: Debian part of a version number when epoch is bumped gregor herrmann <gregoa@debian.org> - 2018-02-15 13:10 +0100
                Re: Debian part of a version number when epoch is bumped Thibaut Paumard <thibaut@debian.org> - 2018-02-15 13:40 +0100
                Re: Debian part of a version number when epoch is bumped Vincent Bernat <bernat@debian.org> - 2018-02-15 14:20 +0100
                Re: Debian part of a version number when epoch is bumped Thibaut Paumard <thibaut@debian.org> - 2018-02-15 15:30 +0100
                Re: Debian part of a version number when epoch is bumped Michael Stone <mstone@debian.org> - 2018-02-15 14:20 +0100
                Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-14 15:50 +0100
                Re: Debian part of a version number when epoch is bumped Raphael Hertzog <hertzog@debian.org> - 2018-02-14 16:10 +0100
                Re: Debian part of a version number when epoch is bumped Andrey Rahmatullin <wrar@debian.org> - 2018-02-14 16:10 +0100
                Re: Debian part of a version number when epoch is bumped Michael Biebl <biebl@debian.org> - 2018-02-14 16:30 +0100
                Re: Debian part of a version number when epoch is bumped Andrey Rahmatullin <wrar@debian.org> - 2018-02-14 17:10 +0100
                Re: Debian part of a version number when epoch is bumped Marc Haber <mh+debian-devel@zugschlus.de> - 2018-02-14 18:30 +0100
                Re: Debian part of a version number when epoch is bumped Wouter Verhelst <wouter@debian.org> - 2018-02-15 11:20 +0100
                Re: Debian part of a version number when epoch is bumped Steve McIntyre <steve@einval.com> - 2018-02-14 15:10 +0100
                Re: Debian part of a version number when epoch is bumped Ian Campbell <ijc@debian.org> - 2018-02-14 15:50 +0100
                Re: Debian part of a version number when epoch is bumped Ian Jackson <ijackson@chiark.greenend.org.uk> - 2018-02-09 19:40 +0100
                Re: Debian part of a version number when epoch is bumped Guillem Jover <guillem@debian.org> - 2018-02-12 03:20 +0100
      Re: Debian part of a version number when epoch is bumped Steve McIntyre <steve@einval.com> - 2018-02-06 14:40 +0100
        Re: Debian part of a version number when epoch is bumped Mattia Rizzolo <mattia@debian.org> - 2018-02-06 15:00 +0100
    Re: Debian part of a version number when epoch is bumped Lars Wirzenius <liw@liw.fi> - 2018-02-06 14:40 +0100
      Re: Debian part of a version number when epoch is bumped Holger Levsen <holger@layer-acht.org> - 2018-02-06 15:20 +0100
      Re: Debian part of a version number when epoch is bumped Jonathan Dowland <jmtd@debian.org> - 2018-02-12 09:40 +0100
    Re: Debian part of a version number when epoch is bumped Jonathan Dowland <jmtd@debian.org> - 2018-02-06 14:40 +0100
      Re: Debian part of a version number when epoch is bumped Mattia Rizzolo <mattia@debian.org> - 2018-02-06 15:00 +0100
        Re: Debian part of a version number when epoch is bumped Chris Lamb <lamby@debian.org> - 2018-02-06 16:20 +0100
          Re: Debian part of a version number when epoch is bumped "Christian T. Steigies" <cts@debian.org> - 2018-02-07 14:00 +0100
            Re: Debian part of a version number when epoch is bumped Ian Jackson <ijackson@chiark.greenend.org.uk> - 2018-02-07 15:00 +0100
              Re: Debian part of a version number when epoch is bumped Ian Campbell <ijc@debian.org> - 2018-02-08 11:20 +0100
                Re: Debian part of a version number when epoch is bumped Raphael Hertzog <hertzog@debian.org> - 2018-02-08 12:00 +0100
                Re: Debian part of a version number when epoch is bumped Ian Campbell <ijc@debian.org> - 2018-02-09 21:00 +0100
                Re: Debian part of a version number when epoch is bumped Chris Lamb <lamby@debian.org> - 2018-02-09 23:10 +0100
            Re: Debian part of a version number when epoch is bumped Colin Watson <cjwatson@debian.org> - 2018-02-07 16:40 +0100
          Re: Debian part of a version number when epoch is bumped Raphael Hertzog <hertzog@debian.org> - 2018-02-07 11:00 +0100
            Re: Debian part of a version number when epoch is bumped Chris Lamb <lamby@debian.org> - 2018-02-07 11:50 +0100
              Re: Debian part of a version number when epoch is bumped Raphael Hertzog <hertzog@debian.org> - 2018-02-07 12:30 +0100
    Re: Debian part of a version number when epoch is bumped Jeremy Bicha <jbicha@debian.org> - 2018-03-28 22:20 +0200
      Re: Debian part of a version number when epoch is bumped Chris Lamb <lamby@debian.org> - 2018-03-29 00:00 +0200
      Re: Debian part of a version number when epoch is bumped Adam Borowski <kilobyte@angband.pl> - 2018-03-29 00:30 +0200
      Re: Debian part of a version number when epoch is bumped Mattia Rizzolo <mattia@debian.org> - 2018-03-29 01:00 +0200
      Re: Debian part of a version number when epoch is bumped "Christian T. Steigies" <cts@debian.org> - 2018-03-29 19:10 +0200
        Re: Debian part of a version number when epoch is bumped Simon McVittie <smcv@debian.org> - 2018-03-29 20:00 +0200
        Re: Debian part of a version number when epoch is bumped Adrian Bunk <bunk@debian.org> - 2018-03-30 13:30 +0200
          Re: Debian part of a version number when epoch is bumped "Christian T. Steigies" <cts@debian.org> - 2018-04-02 20:40 +0200
            Re: Debian part of a version number when epoch is bumped Adrian Bunk <bunk@debian.org> - 2018-04-02 21:10 +0200
            Re: Debian part of a version number when epoch is bumped Simon McVittie <smcv@debian.org> - 2018-04-02 21:50 +0200
              Re: Debian part of a version number when epoch is bumped The Wanderer <wanderer@fastmail.fm> - 2018-04-03 05:10 +0200
                Re: Debian part of a version number when epoch is bumped James McCoy <jamessan@debian.org> - 2018-04-03 05:20 +0200
              Re: Debian part of a version number when epoch is bumped "Christian T. Steigies" <cts@debian.org> - 2018-04-07 20:10 +0200
                Re: Debian part of a version number when epoch is bumped Ian Jackson <ijackson@chiark.greenend.org.uk> - 2018-04-09 15:30 +0200

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