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RE: Release/Branching best practices

From: James Oltmans <JOltmans_at_bolosystems.com>
Date: 2007-11-29 02:45:07 CET

Thanks for your response Ian.

Currently we do something like in picture at the bottom. We spawn
projects (p1222) as branches off of releases (prd_7.2.2).

Releases are cut from the trunk. Bugs and projects are moved to the
trunk when they are complete and approved. Our issue is that we have
trouble identifying what is a part of each release. For instance, if we
had 12 bugs come from the bugs branch and 2 projects come in then cut
our release and moved 3 bugs in to the trunk and then found issues with
the release. We fix the release and then merge back to the trunk but
this starts to get convoluted as to which commits belong to which
release. Our current solution is to require that developers specify in
their log messages (enforced via a pre-commit hook) which release their
fix/project belongs to. This should help us scrape the log messages to
identify which projects and bugs went into a release.


Our other issue is keeping the bugs branch and trunk in-synch. With each
release we merge everything over to bugs (generally this will reapply
fixed bugs and move projects over). However, there's never a guarantee
that it won't screw up the bugs team's development process.


Note: We used to have a separate QA branch to keep the trunk always
stable for spawning projects, but there's no point in doing that since
we now spawn projects off the required release branch.




From: Ian Wood [mailto:Ian.Wood@sucden.co.uk]
Sent: Wednesday, November 28, 2007 2:33 AM
To: James Oltmans; users@subversion.tigris.org
Subject: RE: Release/Branching best practices


Hi James,


This is how we do it.


We have a repo as below.













The main work is done on the Trunk. Then each month we make a Version
branch of the current months version, ( just the first three numbers,
the forth is determined by the CruiseControl machine ).


The code on this version branch is released to the test team and tested
and any bugs found are then fixed on that branch and released again.


Then when that code is released to live the changes made are merged back
to the Trunk and another branch is taken.


Indecently each time the Version branch builds successfully a Tag is
taken with the version number and a deployment script is created.


We are not finding it too burdensome, the only problem we have found is
when people make changes to the same code in both places without merging
as they go.


What are currently doing?


Best regards,









From: James Oltmans [mailto:JOltmans@bolosystems.com]
Sent: 28 November 2007 00:55
To: users@subversion.tigris.org
Subject: Release/Branching best practices


Hello all,


Could someone point me in the right direction for finding best-practices
or software to manage releases? We are trying to use a monthly release
cycle and our current branch and merge management is becoming a bit




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Received on Thu Nov 29 02:45:49 2007

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