Preserving CVS $Header$ keyword while converting to Mercurial

[Mads Kiilerich]

Jan Vrany wrote, On 01/12/2013 04:46 PM:
> > Jan Vrany wrote, On 01/12/2013 02:28 PM:
>>> Hi,
>>>
>>> I would like to switch from CVS/SVN combination to Mercurial.
>>> For some time, possibly quite long, there will be a living CVS
>>> repository (not all individuals/companies are wiling to switch now
>>> to an unknown/unproven technology while the current one
>>> "just works" :-)
>>>
>>> The idea is to keep default branch intact and regularly fetch changes
>>> from CVS by running hg convert and do all development in a different
>>> branch(es).
>>>
>>> To be able to track changes, I would need to preserve expanded
>>> $Header$ keywords in files so I new from which CVS revision the file
>>> is derived. Is that possible with hg convert? If not, what would be
>>> the best approach to do it? I don't mind a bit of python coding.
>>
>> That is not something 'hg convert' cares about, so I guess it just get
>> passed through as you want. Give it a try.
>>
>
> It does not. It leaves $Header$ unexpanded. See bottom of
>
> https://swing.fit.cvut.cz/hg/stx.libbasic/file/bb6ff651e27e/ProjectDefinition.st 
>

'hg convert' runs 'cvs server' and passes it a command to get file 
content as data - see 
http://selenic.com/hg/file/5db16424142c/hgext/convert/cvs.py#l225

You might be able to find some way to make the cvs server expand the 
keywords. Otherwise you will have to do it in Python.

/Mads