openerp-community team mailing list archive

[Pedro Manuel Baeza Romero <pedro.baeza@xxxxxxxxx>]

Hi, Guewen, count with me to help in the transition.

Regards.


2014-06-21 14:09 GMT+02:00 Bidoul, Stéphane <stephane.bidoul@xxxxxxxxx>:

> Hi,
>
> Some comments about migration strategy below.
>
> On Fri, Jun 20, 2014 at 3:08 PM, Guewen Baconnier <
> guewen.baconnier@xxxxxxxxxxxxxx> wrote:
>
>>
>> The decisions discussed so far
>> ==============================
>>
>>  - The branches up to 7.0 will stay on Launchpad
>>    Though, they will be mirrored on Github (Github doesn't have readonly
>> branches but the committers won't commit on them)
>>  - Starting from 8.0, they will be on Github
>>  - For the OCA committers and reviewers, it means that we will need to
>> review both on Launchpad and Github, but it avoid the need to migrate
>> all the pending merge proposals and bug reports
>>  - There is no date planned for the creation of the 8.0 branches, sooner
>> means more duplication of proposals (and some pain to follow the master
>> branch changes, which is still unstable), on the other hand, some people
>> already work on modules for v8.0.
>>
>> Some scripts (fast-import, ...) or ideas have already been published but
>> I want to have a reference in this thread, so please share them.
>>
>
> I'm one of those who voted to keep 6.1 and 7.0 branches on launchpad.
>
> I still think we need to keep those branches up-to-date on launchpad to
> preserve existing deployments.
>
> I now believe however that maintenance activities should take place on
> github for all branches, while maintaining launchpad as a mirror for 7.0
> and 6.1. This should facilitate development while preserving deployments.
>
> Many of us we will have to maintain 7.0 (and 6.1) installations for
> a possibly long period of time, and having everything under the
> same VCS (git) will greatly facilitate the management of back and forward
> ports of features and corrections.
>
> The short term drawback I see so far is that we'd need to reapply
> current MP's to github as PR's. IMHO this is a small price to pay to reap
> larger benefits on the long run.
>
> What do you think?
>
> Regarding tooling, I'm experimenting with git-bzr-ng (apt-get installable).
> While I have not done anything fancy nor large scale yet, I could
> easily migrate lp:acsone-addons from lp to github and the mirroring
> workflow looks quite simple at first glance.
>
> It looks like this:
>
> # first create new empty repository on github
>
> # then clone lp:acsone-addons in a new local git repo
> git bzr clone lp:acsone-addons/trunk acsone-addons
> # import additional branches from bzr
> cd acsone-addons
> git bzr import lp:acsone-addons/7.0
> git bzr import lp:acsone-addons/6.1
> # create a remote named origin, pointing to the github repo
> git remote add origin git@xxxxxxxxxx:acsone/acsone-addons.git
> # push the 3 branches to github
> git push -u origin master
> git push -u origin 7.0
> git push -u origin 6.1
>
> That was it and the git history is looking good at first glance.
>
> Then adding stuff on github and mirroring to launchpad looks like this:
>
> git checkout master
> # ... add and commit README.md and LICENSE
> # push to github
> git push
> # push to bzr
> git bzr push
>
> So if we decide to keep launchpad as a mirror,
> a nightly script could work like this:
> - git fetch
> - for each branch:
> -    git checkout $branch
> -    git bzr push
>
> git-bzr maintains the mapping between git and bzr branches in .git/config.
>
> In the end if the decision is to keep lp as the master for 7.0 and 6.1,
> the same tool could work too (git bzr sync, then git push for such
> branches).
>
> I'll dig deeper next week and see what an automated script would look like
> in practice.
>
> Volunteers
>> ==========
>>
>> The transition will probably need a lot of boring and tedious - more or
>> less manual - work. More work than can be done by a single person, so my
>> first concern is to compile a list of the heroes who will take part and
>> will accept to share the tasks.
>>
>> Please announce you! and inform if you have superpowers or special
>> abilities that could help (git-fu, launchpad api, github api, CI, ...)
>>
>
> I'm in. No particular superpowers, I'm afraid :)
> For instance, I can help putting the mirroring scripts in place
> I can also setup a virtual machine (at OVH) to run them.
>
> Cheers,
>
> -sbi
>
>
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