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Re: Version Control Software

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Date Sun, 16 Jun 2013 14:13:13 +1000
Subject Re: Version Control Software
From Chris Angelico <rosuav@gmail.com>
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On Sun, Jun 16, 2013 at 1:55 PM, rusi <rustompmody@gmail.com> wrote:
> On Jun 16, 4:14 am, Chris Angelico <ros...@gmail.com> wrote:
>> On Sun, Jun 16, 2013 at 12:16 AM, Roy Smith <r...@panix.com> wrote:
>> > The advantage of DVCS is that everybody has a full copy of the repo.
>> > The disadvantage of the DVCS is that every MUST have a full copy of the
>> > repo.  When a repo gets big, you may not want to pull all of that data
>> > just to get the subtree you need.
>>
>> Yeah, and depending on size, that can be a major problem. While git
>> _will_ let you make a shallow clone, it won't let you push from that,
>> so it's good only for read-only repositories (we use git to manage
>> software deployments at work - shallow clones are perfect) or for
>> working with patch files.
>>
>> Hmm. ~/cpython/.hg is 200MB+, but ~/pike/.git is only 86MB. Does
>> Mercurial compress its content? A tar.gz of each comes down, but only
>> to ~170MB and ~75MB respectively, so I'm guessing the bulk of it is
>> already compressed. But 200MB for cpython seems like a lot.
>
> [I am assuming that you have run  "git gc --aggressive" before giving
> those figures]

They're both clones done for the purpose of building, so I hadn't run
any sort of garbage collect.

> Your data would tell me that python is about twice as large a project
> as pike in terms of number of commits. Isn't this a natural conclusion?

I didn't think there would be that much difference, tbh. Mainly, I'm
just seeing cpython as not being 200MB of history, or so I'd thought.
Pike has ~30K commits (based on 'git log --oneline|wc -l'); CPython
has roughly 80K (based on 'hg log|grep changeset|wc -l' - there's
likely an easier way but I don't know Mercurial). So yeah, okay, it's
been doing more. But I still don't see 200MB in that. Seems a lot of
content.

ChrisA

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Thread

Version Control Software cutems93 <ms2597@cornell.edu> - 2013-06-12 16:27 -0700
  Re: Version Control Software Mark Janssen <dreamingforward@gmail.com> - 2013-06-12 16:36 -0700
  Re: Version Control Software Joel Goldstick <joel.goldstick@gmail.com> - 2013-06-12 19:52 -0400
  Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-13 10:04 +1000
  Re: Version Control Software Tim Chase <python.list@tim.thechases.com> - 2013-06-12 21:41 -0500
  Re: Version Control Software Ben Finney <ben+python@benfinney.id.au> - 2013-06-13 12:30 +1000
    Re: Version Control Software rusi <rustompmody@gmail.com> - 2013-06-13 04:54 -0700
    Re: Version Control Software Grant Edwards <invalid@invalid.invalid> - 2013-06-13 17:06 +0000
      Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-14 07:26 +1000
        Re: Version Control Software Grant Edwards <invalid@invalid.invalid> - 2013-06-13 21:53 +0000
          Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-14 07:59 +1000
          Re: Version Control Software Zero Piraeus <schesis@gmail.com> - 2013-06-13 18:20 -0400
          Re: Version Control Software Terry Reedy <tjreedy@udel.edu> - 2013-06-13 20:09 -0400
      Re: Version Control Software Fábio Santos <fabiosantosart@gmail.com> - 2013-06-13 23:15 +0100
      Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-14 08:17 +1000
      Re: Version Control Software Benjamin Kaplan <benjamin.kaplan@case.edu> - 2013-06-13 15:24 -0700
      Re: Version Control Software Neil Hodgson <nhodgson@iinet.net.au> - 2013-06-14 08:53 +1000
  Re: Version Control Software Tim Chase <python.list@tim.thechases.com> - 2013-06-12 21:48 -0500
  Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-12 22:51 -0400
    Re: Version Control Software Rui Maciel <rui.maciel@gmail.com> - 2013-06-13 13:43 +0100
  Re: Version Control Software cutems93 <ms2597@cornell.edu> - 2013-06-12 23:00 -0700
    Re: Version Control Software rusi <rustompmody@gmail.com> - 2013-06-12 23:43 -0700
    Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-13 07:08 -0400
    Re: Version Control Software MRAB <python@mrabarnett.plus.com> - 2013-06-13 12:26 +0100
      Re: Version Control Software rusi <rustompmody@gmail.com> - 2013-06-13 04:46 -0700
    Re: Version Control Software Anssi Saari <as@sci.fi> - 2013-06-14 15:06 +0300
      Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-14 08:32 -0400
        Re: Version Control Software Grant Edwards <invalid@invalid.invalid> - 2013-06-14 14:24 +0000
          Re: Version Control Software Dave Angel <davea@davea.name> - 2013-06-14 16:55 -0400
          Re: Version Control Software Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2013-06-14 20:26 -0400
          Re: Version Control Software Tim Delaney <timothy.c.delaney@gmail.com> - 2013-06-15 15:39 +1000
          Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-15 15:53 +1000
            Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-15 10:16 -0400
              Re: Version Control Software Giorgos Tzampanakis <giorgos.tzampanakis@gmail.com> - 2013-06-15 15:29 +0000
                Re: Version Control Software Dan Sommers <dan@tombstonezero.net> - 2013-06-15 18:29 +0000
                Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-16 09:01 +1000
                Re: Version Control Software Tim Delaney <timothy.c.delaney@gmail.com> - 2013-06-16 07:49 +1000
              Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-16 09:14 +1000
                Re: Version Control Software rusi <rustompmody@gmail.com> - 2013-06-15 20:55 -0700
                Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-16 14:13 +1000
                Re: Version Control Software Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-06-16 05:20 +0000
                Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-16 15:29 +1000
                Re: Version Control Software Terry Reedy <tjreedy@udel.edu> - 2013-06-16 05:15 -0400
                Re: Version Control Software Chris Angelico <rosuav@gmail.com> - 2013-06-16 19:51 +1000
              Re: Version Control Software Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-06-16 15:30 +0200
                Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-16 09:50 -0400
                Re: Version Control Software Lele Gaifax <lele@metapensiero.it> - 2013-06-16 17:48 +0200
                Re: Version Control Software Terry Reedy <tjreedy@udel.edu> - 2013-06-16 13:02 -0400
              Re: Version Control Software Jason Swails <jason.swails@gmail.com> - 2013-06-16 12:39 -0400
  Re: Version Control Software Serhiy Storchaka <storchaka@gmail.com> - 2013-06-13 10:20 +0300
  Re: Version Control Software Tim Chase <python.list@tim.thechases.com> - 2013-06-13 07:34 -0500
    Re: Version Control Software Roy Smith <roy@panix.com> - 2013-06-13 08:52 -0400

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