svn:needs-lock explanations...

["Roth, Pierre" <pi...@covidien.com>]

Hi,

I've got a list of binary files in my working copy and each of them has
the svn:needs-lock property set.
If I want to make some changes on a file I have then to get a lock on
it, normal use case here.

My use case is the following now : My working copy of file1.bin has the
svn:needs-lock set. I have a file1.bin elsewhere and I overwrite the one
in my wc with this new one. My OS tells me that I'm going to overwrite a
read-only file as I have acquired the lock on file1.bin. And then I can
commit ! 

So, I've succeeded in commiting something without acquiring the lock
even if svn:needs-lock was set !

I wonder why the server didn't told me that I could not commit a file
without having previously acquired the lock....

Thanks for your explanations !

Pierre

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Re: svn:needs-lock explanations...

[Troy Curtis Jr <tr...@gmail.com>]

On Feb 6, 2008 8:22 AM, Roth, Pierre <pi...@covidien.com> wrote:
> Hi,
>
> I've got a list of binary files in my working copy and each of them has
> the svn:needs-lock property set.
> If I want to make some changes on a file I have then to get a lock on
> it, normal use case here.
>
> My use case is the following now : My working copy of file1.bin has the
> svn:needs-lock set. I have a file1.bin elsewhere and I overwrite the one
> in my wc with this new one. My OS tells me that I'm going to overwrite a
> read-only file as I have acquired the lock on file1.bin. And then I can
> commit !
>
> So, I've succeeded in commiting something without acquiring the lock
> even if svn:needs-lock was set !
>
> I wonder why the server didn't told me that I could not commit a file
> without having previously acquired the lock....
>
> Thanks for your explanations !
>
> Pierre
>
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>

Because the only thing Subversion does special with the
"svn:needs-lock" property is make the file ro on checkout, a
completely client side operation.  Ultimately it's just there as a
little reminder, and in this function your OS even reminded you
(saying you are about to overwrite a read-only file).  It was put in
for binary files, but Subversion is fundamentally uses a
copy-edit-merge paradigm, not lock-edit-commit.

Just keep in mind it's a reminder and an aid, but ultimately the
developer has the ultimate power of decision.

Troy

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