On Wednesday 24 February 2016 22:20:10 Robert Munteanu wrote: > On Wed, 2016-02-24 at 14:43 +0100, Oliver Lietz wrote: > > On Wednesday 24 February 2016 14:59:46 Robert Munteanu wrote: > > > On Wed, 2016-02-24 at 10:54 +0100, Oliver Lietz wrote: > > > > On Wednesday 24 February 2016 10:26:24 Bertrand Delacretaz wrote: > > > > > On Wed, Feb 24, 2016 at 10:02 AM, Oliver Lietz <apache@oliverli > > > > > etz. > > > > > de> > > > > > > > > wrote: > > > > > > ...We do have roughly 250 modules (and counting) in SVN and I > > > > > > don't think > > > > > > we can switch at once... > > > > > > > > > > We can, if we use a computer ;-) > > > > > > > > > > If we decide to move to Git we might first reorganize modules > > > > > and > > > > > poms > > > > > as needed, and create scripts to move things so we can do dry > > > > > runs. > > > > > Then, when the scripts are tested, switch everything at once. > > > > > > > > It takes "ages" even with computers and they only have one big > > > > repo: > > > > https://www.linux.com/news/featured-blogs/196-zonker/787127-apach > > > > e-ha > > > > doop-transitions-to-git > > > > > > > > Should we ask infra for support? Do we need a vote? > > > > > > _If_ we decide to move to Git ( including how and when ) we can > > > perform > > > some dry-runs which create git repos out of Maven modules and push > > > them > > > to a unofficial account on github. > > > > > > I suggest we involve infra only when we know exactly what we want > > > to > > > do. > > > > I think infra can help in finding out what we want to do and how. > > > > > As for an the duration of the conversion, here's what I did for the > > > jackrabbit-server bundle: > > > > > > $ git clone https://github.com/apache/sling.git sling-import > > > $ cd sling-import > > > $ git filter-branch --subdirectory-filter bundles/jcr/jackrabbit- > > > server > > > Rewrite eb7e75b8f92ce96f1a4f804676b90fc08a377834 (115/143) (1 > > > seconds > > > passed, remaining 0 predicted) > > > Ref 'refs/heads/trunk' was rewritten > > > > > > Clock time was about 3 seconds for the git filter-branch call. > > > > That is for sure not all we have to do. The resulting repo contains > > 1018 tags > > where it should only contain the ones for jackrabbit-server itself. > > Yes, there are a couple of more things, and I have a script lying > around somewhere from the last big git migration that I went through.
Robert, can you share your script? https://issues.apache.org/jira/browse/SLING-3987 Thanks, O. > > > Do you have some references about migrating to git at Apache? The > > > durations mentioned in the article seem like _a lot_. > > > > No, but we can ask infra. They have done several conversions to Git > > and we > > should really lean on them instead of trying to do the migration > > ourselves. > > Well, asking never hurt :-) so feel free to do so. > > My argument was that going through with the migration ourselves would > allow a lot more flexibility and faster iteration. Of course, the final > process needs to be handled by infra ( e.g. making the SVN repo > read/only, turning on the Git repos, etc ) but we should try to settle > down on the details ourselves, rather than going to infra for > everythings. > > Thanks, > > Robert > > > Regards, > > O. > > > > > Thanks, > > > > > > Robert > > > > > > > O. > > > > > > > > > -Bertrand
