Re: [PATCH] git-p4: support exclusively locked files

[Danny Thomas <Danny.Thomas@blackboard.com>]

Interesting. 'Implementing sitewide pessimistic locking with p4 typemap',
http://www.perforce.com/perforce/doc.current/manuals/p4sag/03_superuser.htm
l seems to suggest this is all that's needed. I believe we're using the
default configuration, the exclusive lock on all files behaviour was
researching the exclusive locking problem,
http://ericlathrop.com/2012/12/how-to-set-up-git-p4-in-windows/, so I
thought I'd mention it.

You might be onto something w/ fstat, it doesn't include the exclusive
indicator:

... type binary+l

Latest P4 client, and fairly recent server build:

P4/DARWIN90X86_64/2012.2/536738 (2012/10/16)
P4D/LINUX26X86_64/2012.2/538478 (2012/10/16)


Danny

On 17/03/2013 20:04, "Pete Wyckoff" <pw@padd.com> wrote:


>Danny.Thomas@blackboard.com wrote on Wed, 13 Mar 2013 13:51 -0400:
>> By default, newly added binary files are exclusively locked by Perforce:
>>
>> 'add default change (binary+l) *exclusive*'
>>
>> This results in a 'Could not determine file type' error as the regex
>> expects
>> the line to end after the file type matching group. Some repositories
>>are
>> also configured to always require exclusive locks, so may be a problem
>>for
>> all revisions in some cases.
>
>Can you explain how to configure p4d to default everything to
>binary+l?  Also, what version are you using ("p4 info")?  I'm
>trying to write a test case for this.
>
>I did find a way to play with typemap to get +l, as:
>
>    ( p4 typemap -o ; printf "\tbinary+l\t//.../bash*" ) | p4 typemap -i
>
>With this, the 2011.1 here just says:
>0
>    tic-git-test$ p4 opened bash
>    //depot/bash#1 - add default change (binary+l)
>
>I've not been able to make it say " *exclusive*" too.
>
>>      result = p4_read_pipe(["opened", wildcard_encode(file)])
>> -    match = re.match(".*\((.+)\)\r?$", result)
>> +    match = re.match(".*\((.+)\)(?:.+)?\r?$", result)
>
>I think this whole function would be less brittle
>using p4's "-G" output, like:
>
>    d = p4Cmd(["fstat", "-T", "type", wildcard_encode(file)])
>    # some error checking
>    return d['type']
>
>But I'm curious if your p4d includes " *exclusive*" in the
>type there too, in which case we'll have to strip it.
>
>Thanks for starting the patch on this.  It's good if we can keep
>others from running into the same problem.
>
>               -- Pete


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