RE: Re: Update before commit

Could two developers who have just done an update to their working copy and
are doing two different parts of the code (with a dependency to each other
though) do a build/test cycle locally and determine their changes are good.

Developer 1 commits his changes, then developer 2. Because developer 2
didn't modify the same files that developer 1 did, this second commit goes
through successfully. But because those files are dependent on each other,
the repository doesn't build?

Of course the odds of this happening aren't great, but is what I've
described a possible scenario (or am I missing something)? How would you get
around this or handle this when it happens?

Thanks.

Norton, Richard wrote:
>
> This is actually the point of the 'update, then commit' methodology.
>
> You update your working copy with anything else that might have changed in
> the repository since you got your copy, and perform a final build/test
> cycle in your working area before you commit your changes to the
> repository. This should allow you to catch any broken dependency issues
> before you commit your work.
>
> -----Original Message-----
> From: lightbulb432 [mailto:veerukrishnan@hotmail.com]
> Sent: Wednesday, February 14, 2007 11:00 AM
> To: users@subversion.tigris.org
> Subject: Re: [RFE] Update before commit
>
>
>
> So it's only refused when a change happens to a file that you've changed?
> If
> somebody changes a different file in the repository (but that still has
> dependencies with the file you've changed), the code in the repository
> could
> still break, right, even though the commit is accepted?
>
> Any strategies for resolving such a case to ensure the repository contains
> a
> fully functioning code base, or is this a usual part of the development
> process?
>
> (e.g. Any way of declaring a dependency of one file on another so that you
> can't commit a file without first resolving conflicts not only in that
> file
> itself, but in files you've declared that it depends on. If not, any
> thoughts about this as a feature request?)
>
>
>
>
> Greg Thomas wrote:
>>
>> On Wed, 14 Feb 2007 08:46:39 -0800 (PST), lightbulb432
>> <veerukrishnan@hotmail.com> wrote:
>>
>>>Is an update before a commit necessary, or will Subversion tell you when
a
>>>repository has been updated since you checked out your working copy and
>>>REQUIRE an update?
>>
>> An update is not generally required. However, if someone has committed
>> something you are about to commit since you last updated, Subversion
>> will refuse to commit - you'll have to do an update, resolve any
>> conflicts that may arise, and then commit again.
>>
>> Greg
>> --
>> This post represents the views of the author and does
>> not necessarily accurately represent the views of BT.
>>
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