Re: git mirror repacked, new branches

["H.J. Lu" <hjl.tools@gmail.com>]

On Wed, Nov 18, 2009 at 10:09 AM, Bernie Innocenti <bernie@codewiz.org> wrote:
> El Wed, 18-11-2009 a las 07:13 -0800, H.J. Lu escribió:
>> On Sun, Nov 15, 2009 at 4:32 PM, Bernie Innocenti <bernie@codewiz.org> wrote:
>> > I repacked our (un)official git mirror (http://gcc.gnu.org/git) with
>> >
>> >  git repack -a -d -f --window=100 --depth=100 --window-memory=2g
>> >
>> > The pack is now 600MB, which is a bit scary, but still manageable.
>> > Mysteriously, cloning this repo yields a smaller pack of just 519MB,
>> > which still contains all the branches. It was probably caused by entries
>> > in the reflog, which I have now disabled.
>> >
>> > As an additional bonus, I've added refs for all the current branches tom
>> > make them visible in gitweb and easier to clone.
>>
>> Most of vendor branches are wrong. For example, there are many branches
>> under branches/redhat. But I only see one redhat branch in git.
>
> I guess git-svn does not cope automatically with nested subdirs in
> banches/.

If nested subdirs in banches/ aren't handled properly, shouldn't we avoid
putting them in git mirror?

> One could manually select them by passing multiple --branches options.
> For our case, the man page shows how to map those branches to separate
> namespaces:
>
>  branches = stable/*:refs/remotes/svn/stable/*
>  branches = debug/*:refs/remotes/svn/debug/*
>
>
> Properly handling vendor branches would be a requisite step for a real
> migration to git. For now, I'd rather be lazy and delay this work until
> someone asks for it.
>
>
>> BTW, I can't pull new changes from the new master into my local git branches
>> which are based on the old master.
>
> This is unexpected. Repacking doesn't change any SHA1, and I haven't
> touched any of the existing branches. What error do you get from pull?
>

Oops. Pilot error.


-- 
H.J.