[CMake] Version embedding - how to cause a command when make is run?

[Juan Sanchez]

Not being a member of the subversion list.  And doubting that non cmake
members can email this list.  Please email us the results of your query
to the subversion list.

Juan

David Cole wrote:
> Looks to me like the output of "svn status -u" will give you something like...
> Status against revision:   1234
> ... when everything is up to date with respect to "svn info".
> 
> And it will give something like...
>      *    1001   FileAtPrevRevision.cxx
> Status against revision:   1234
> ... when there is a file stuck at a previous revision.
> 
> So... revising my original statement slightly:
> If the output of "svn status -u" is a single line matching "^Status
> against revision:" then you can trust the output of svn info as
> meaning : this is a build against this revision without any known
> deviations from the revision.
> 
> Svn list : correct me if I'm wrong. :-)
> 
> 
> HTH,
> David
> 
> 
> On 10/5/07, David Cole <david.cole at kitware.com> wrote:
>> How about "svn status -u" or a filtered version of "svn status -v" ....?
>>
>> On 10/5/07, Atwood, Robert C <r.atwood at imperial.ac.uk> wrote:
>>> I hope its okay to copy this to Subversion list, as it has veered away
>>> from cmake  ...
>>>
>>> Alan said (on Cmake list):
>>>
>>>> take a concrete but simple example, suppose you have five
>>>> files which all
>>>> have 3 possibilities (1,2,3) for the revision number. IOW,
>>>> each file changed
>>>> for each revision. Then using svn update --revision you can
>>>> create 3^5 = 243
>>>> different combinations of revision numbers for the various
>>>> source files in
>>>> your source tree, and svnversion will identify all such
>>>> different source
>>>> trees identically.
>>> I expected that sort of thing with CVS, I thought it worked differently
>>> in SVN where the number is more related to the whole project than the
>>> individual file. But I stand corrected.
>>>
>>> An actual test demonstrates that you are correct, svnversion 0:6 is
>>> displayed if one of the files is back-updated to 4, and no special flag
>>> is specified in svnversion output. See console log below.
>>>
>>>
>>> David said (on Cmake list):
>>>
>>>> also verify that "svn status" gives you *empty*
>>>> output.
>>> Actually ,   'svn status' also produces empty output in this case (where
>>> a file has been back-updated)  So it is not obvious that there's any
>>> difference, as Alan suggested orignally.
>>>
>>> Thanks for the headsup!
>>> Robert
>>>
>>>
>>> [rcatwood testproj]$ svnversion
>>> 0:6
>>> [rcatwood testproj]$ cat *
>>> $Id: FileA.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file A. Third (after propset) revision.
>>> $Id: FileB.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file B. Third (after propset) revision.
>>> $Id: FileC.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file C. Third (after propset) revision.
>>> $Id: FileD.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file D. Third (after propset) revision.
>>> $Id: FileE.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file E. Third (after propset) revision.
>>> [rcatwood testproj]$
>>> [rcatwood testproj]$ svn up -r 4 FileC.txt
>>> U    FileC.txt
>>> Updated to revision 4.
>>> [rcatwood testproj]$ svnversion
>>> 0:6
>>> [rcatwood testproj]$ cat *
>>> $Id: FileA.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file A. Third (after propset) revision.
>>> $Id: FileB.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file B. Third (after propset) revision.
>>> $Id: FileC.txt 4 2007-10-05 15:49:14Z rcatwood $
>>> This is file C. First (after propset) revision.
>>> $Id: FileD.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file D. Third (after propset) revision.
>>> $Id: FileE.txt 6 2007-10-05 15:50:26Z rcatwood $
>>> This is file E. Third (after propset) revision.
>>> [rcatwood testproj]$
>>> [rcatwood testproj]$ svn status
>>> [rcatwood testproj]$
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-- 
Juan Sanchez
Juan.Sanchez at amd.com
800-538-8450 Ext. 54395
512-602-4395