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From: Nathan Cutler <ncutler@suse.cz>
To: Sage Weil <sage@newdream.net>, Ken Dreyer <kdreyer@redhat.com>
Cc: Andrew Schoen <aschoen@redhat.com>,
	"Robin H. Johnson" <robbat2@gentoo.org>,
	Alfredo Deza <adeza@redhat.com>, Abhishek <abhishek@suse.com>,
	ceph-devel <ceph-devel@vger.kernel.org>
Subject: Re: Better anticipation for minor releases
Date: Mon, 5 Feb 2018 22:20:24 +0100	[thread overview]
Message-ID: <8a320a2d-71a2-84e3-79c0-1839c4cd7391@suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.11.1802051624220.15996@piezo.novalocal>

> Git branches remove any concern for
> "races".  If someone pushed 100 commits to luminous, just create a
> different branch with exactly the commit(s) you *do* want and build from
> that.  After everything is confirmed built, good, and tagged, push and
> merge it back into the luminous stream.

Sage makes a good point here, but I don't agree with the "remove any 
concern for races" part. In practice, I'm envisioning that it would work 
like this (substitute "jewel", "mimic" etc. for luminous):

1. release preparation phase begins
2. lots of PRs/commits are merged into luminous
3. release preparation phase ends with declaration of a "release 
candidate" SHA1
4. a luminous-rc branch is created from this SHA1
5. QE phase begins
6. all QE work takes place in luminous-rc
7. any QE-related fixes are merged into luminous-rc
8. QE phase ends with declaration of a "release" SHA1 which is (almost - 
see below) guaranteed to be the tip of luminous-rc
9. tag/build phase begins
10. tag is applied to, and packages built from, tip of luminous-rc (as 
usual, except luminous-rc instead of luminous)
11. tag/build phase ends - point release is out
12. luminous-rc is merged into luminous

Granted, this does eliminate racing PRs in luminous, but it's still 
possible for something to get merged into luminous-rc after step 8 and 
before step 11, so the problem doesn't go away - it just gets less likely.

Nathan

  reply	other threads:[~2018-02-05 21:20 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-31 17:46 Better anticipation for minor releases Alfredo Deza
2018-01-31 19:25 ` Abhishek
2018-01-31 19:35   ` Ken Dreyer
2018-02-02 12:05   ` Alfredo Deza
2018-02-02 12:28     ` Nathan Cutler
2018-02-02 17:15       ` Ken Dreyer
2018-02-02 19:55         ` Robin H. Johnson
2018-02-02 20:15           ` Vasu Kulkarni
2018-02-02 21:35           ` Nathan Cutler
2018-02-02 21:52             ` Robin H. Johnson
2018-02-05 15:28             ` Andrew Schoen
2018-02-05 15:50               ` Sage Weil
2018-02-05 16:22                 ` Ken Dreyer
2018-02-05 16:30                   ` Sage Weil
2018-02-05 21:20                     ` Nathan Cutler [this message]
2018-02-05 21:32                       ` Yuri Weinstein
2018-02-05 21:45                       ` Vasu Kulkarni

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