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Re: [Qemu-devel] [RFC PATCH 1/1] OpenBIOS: Switch over to official OpenB
From: |
Jeff Cody |
Subject: |
Re: [Qemu-devel] [RFC PATCH 1/1] OpenBIOS: Switch over to official OpenBIOS git repo |
Date: |
Thu, 7 Jul 2016 16:53:44 -0400 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Thu, Jul 07, 2016 at 06:22:37PM +0100, Mark Cave-Ayland wrote:
> On 07/07/16 04:12, Jeff Cody wrote:
>
> > Alright, here is what I think will work to switch over relatively
> > painlessly, and move master over to the github hashes for the submodule.
> >
> > I haven't done it yet on the server, because I want to get another set of
> > eyes double checking it (Stefan, Mark). However, I have mocked it up and
> > tested it locally, so I think it should work fine, unless there are
> > scenarios I missed. Here are the step-by-step details:
> >
> >
> > Server side actions
> > =====================
> >
> > 1) In bare openbios.git repo (git://git.qemu.org/openbios.git):
> >
> > git tag svn-last-official 422b916
> > git branch svn-head 422b916
> > git branch -f master 36785d7
> >
> > 2) openbios update repo (updated daily via cron):
> >
> > # update script contents
> > # continue fetch svn commits for now as well
> > # 'official' branch tracks github/master
> > git svn fetch svn
> > git merge git-svn
> > git fetch github # official openbios github repo
> > git push /pub/git/openbios.git master:svn-head
> > git push /pub/git/openbios.git official:master
> >
> >
> > Non-server side actions
> > ======================
> >
> > * QEMU new patch to switch over
> >
> > # normal submodule stuff:
> >
> > git submodule init
> > git submodule update roms/openbios
> >
> > # create patch to switch over:
> > cd roms/openbios
> > git checkout master
> > cd ../
> > git commit -a # assuming you made no other changes
> >
> >
> > * Existing users of git://git.qemu.org/openbios.git as a standalone work
> > repo:
> >
> > git fetch
> >
> > # if there are local commits / work they want to keep
> > git rebase origin/master
> >
> > # alternatively:
> > git reset --hard origin/master
> >
> >
> >
> > The above all seems to work in my testing. Stefan, Mark: do you see any
> > glaring issues with the above?
>
> Hi Jeff,
>
> I've just worked through this locally and it looks pretty good - I've
> documented a few minor alterations below where I've made them:
>
Great, thanks.
>
> # Get qemu-project.org repository, fetch remote master
> git clone --bare git://git.qemu.org/openbios.git
> cd openbios.git
> git remote add -f openbios-github https://github.com/openbios/openbios.git
>
> # Switch master to github
> git tag svn-last-official 422b916
> git branch svn-head 422b916
> git branch -f master 36785d7
>
> # official branch is no longer needed
> git branch -D official
>
Yep, we should be able to get rid of the 'official' branch, as it won't be
needed going forward.
>
> I see that there are still references to SVN in the nightly update, and
> since the SVN repository will disappear as soon as the new git
> repository is up and running and master now tracks master, I figured
> this could be simplified right down to this:
>
>
> # Nightly update
> git fetch openbios-github
> git push /pub/git/openbios.git master
I wasn't sure if there was going to be an overlap period - if the SVN server
is going offline, however, then I will go ahead and get rid of the svn
fetch, merge, and push actions.
>
>
> For the submodule switchover, the use of "git submodule init" seemed a
> bit strange - I would have thought we'd be just fine starting with the
> "git submodule update" line? Also I have a script for the remainder of
> the switchover process that I use when updating the OpenBIOS roms, so as
> soon as openbios.git is updated, I can send a pull request to switch the
> submodule hash really easily.
>
> Finally for people who have work in branches from the old checkout, I'm
> happy to suggest that they just do "git fetch" followed by "git rebase
> origin/master" on any local branches of interest.
>
>
Thanks!
Jeff