[core-workflow] Help needed: best way to convert hg repos to git?

[Martin Panter]

On 12 February 2016 at 06:27, Nicolás Alvarez <nicolas.alvarez at gmail.com> wrote:
> 2016-02-12 3:04 GMT-03:00 Martin Panter <vadmium+py at gmail.com>:
>> On 12 February 2016 at 03:07, Brett Cannon <brett at python.org> wrote:
>>> On Thu, Feb 11, 2016, 16:43 Nicolás Alvarez <nicolas.alvarez at gmail.com>
>>> wrote:
>>>> It depends on how crazy you want to go. For example, SVN-era merges
>>>> don't appear as merges, but looks like some SVN-era branches don't
>>>> exist in Hg to begin with (Would I need to get cpython-fullhistory?
>>>> Cloning it gives me a 400 Bad Request). Do we care about that?
>>>
>>> Good question. If you are not an even clone it then that shows how much
>>> people who are. Honestly I wouldn't worry since we have the history in the
>>> hg repo (converting from svn was necessary to have it available without the
>>> server).
>>
>> I care a bit. If I get the time, I would like to figure out a robust
>> way to convert the Subversion history to Git so that the svnmerge
>> information is included as proper merges.
>
> I migrated most of KDE from SVN to Git, progressively converting a
> single million-revision repository into hundreds of per-app Git
> repositories.
>
> Is it still possible to access the SVN repository? :)

svn info https://svn.python.org/projects/python

>> Some other highlights on my quest to investigate the holy Subversion
>> respository (I can post my full notes somewhere if ppl are
>> interested):
>>
>> * It is nice to have a local mirror of the Subversion repository so
>> that experimenting with different options and programs isn’t horribly
>> slow. But I don’t want to mirror everything or overload the server
>> because there are other projects stored in the repository that seem to
>> take up a lot of space (and download time).
>
> The svn2git tool we used in KDE *requires* the repository to be local,
> because the libsvn API it uses works with repositories, not server
> URLs.