[Yt-dev] problem cloning yt

[Matthew Turk]

Hi Britton, everyone else,

As a stopgap, I've changed up the method for cloning the yt repository
in the install script, which I thought I'd share here.  The old way:

1) clone repo

has been replaced with:

1) clone repo up to revision 0
2) download bundled file (provided by me) from
http://yt.enzotools.org/dependencies/yt.hg
3) unbundle yt.hg into repository
4) pull any newer changes

(Note that Mercurial issue 713,
http://mercurial.selenic.com/bts/issue713 , would streamline this.)

This is a method that y'all can replicate ,if you persistently have
trouble cloning -- the bundle, which I'll probably only very
infrequently update, will reside here:

http://yt.enzotools.org/dependencies/yt.hg

I think that this modification will fix the install script, but if
anyone here has trouble manually cloning, it is something you could
attempt as well.  I won't move the bundle, and it won't always be up
to date, but if you just perform these three commands it should be
failure-resistant:

hg clone -r0 http://hg.enzotools.org/yt/ yt-hg
wget http://yt.enzotools.org/dependencies/yt.hg
hg -R yt-hg unbundle yt.hg
hg -R yt-hg pull
hg -R yt-hg update -C tip

Hopefully there'll be some other way to fix it, because I recognize
how annoying it is to even have to apply this kind of fix.  For what
it's worth, I've only seen intermittent failures, and usually they do
clear up.

-Matt


On Wed, Dec 1, 2010 at 12:12 PM, Matthew Turk <matthewturk at gmail.com> wrote:
> I think this indicates there is in fact a major problem, which I will
> have to fix -- my guess is that if you ran it a couple more times with
> those options, you would will see failures.
>
> For me, it usually fails when getting the changes for docs_html.zip.
> I believe that this may be a timeout, but I'm not entirely clear on
> that yet.  After the first of the year we may be able to move to a new
> server where this will not be a problem, but I cannot guarantee that
> yet.
>
> On Wed, Dec 1, 2010 at 12:10 PM, Britton Smith <brittonsmith at gmail.com> wrote:
>> My fault.  I reran with those options and it just went this time.  It failed
>> three times in a row before that, so I guess fourth time's a charm.
>>
>> On Wed, Dec 1, 2010 at 3:05 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>>>
>>> Yes, but I had hoped that I had fixed it.
>>>
>>>
>>> http://lists.spacepope.org/pipermail/yt-dev-spacepope.org/2010-November/000982.html
>>>
>>> Can you rerun with those options?
>>>
>>> On Wed, Dec 1, 2010 at 12:04 PM, Britton Smith <brittonsmith at gmail.com>
>>> wrote:
>>> > Hi,
>>> >
>>> > I just tried cloning yt and am getting the following issue.  Has anyone
>>> > else
>>> > seen this?
>>> >
>>> > user-7c4ed2:yt[8] hg clone http://hg.enzotools.org/yt
>>> > destination directory: yt
>>> > requesting all changes
>>> > adding changesets
>>> > adding manifests
>>> > adding file changes
>>> > transaction abort!
>>> > rollback completed
>>> > abort: premature EOF reading chunk (got 663770 bytes, expected 3987505)
>>> >
>>> > Britton
>>> >
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