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From "Matthias J. Sax" <matth...@confluent.io>
Subject Re: Merge order for commits to older versions?
Date Sat, 19 May 2018 18:31:41 GMT

not sure if this is documented in the wiki on not (feel free to add it
to the wiki :)). It works as follows:

Older version branches are only used for bug fix releases and are never
merged into trunk. All PRs are opened against trunk by default and if we
want to get a commit into an older branch to add it to a bug fix
release, the commit gets cherry-picked if possible. If cherry-picking
does not work because code changed too much, a new PR against the old
version branch would be made to manually back port the fix based on the
old code.

Does this make sense?

If you did a recent minor PR and think it should be back ported to
1.1.0, 1.0.0, and 0.11.0 just put a comment on the PR and ask the
committer who merged it, if it makes sense to cherry-pick to older branches.

Hope this helps. :)


On 5/19/18 3:26 AM, Koen De Groote wrote:
> Greetings,
> I recently created a minor PR for trunk and realized I should probably put
> it on 0.11.0, assuming a release of 0.11.x eventually gets merged into
> trunk.
> But looking at the GitHub branches, I found that 0.11.0 is ahead of trunk
> by 404 commits, which seems rather a large difference:
> https://github.com/apache/kafka/tree/0.11.0
> What exactly is the policy of commits added to older versions?
> Suppose a version would come out, based on changes on 0.11.0 since
>, would 0.11.0 then be merged onto trunk? I would expect it, but it
> looks like that's not the case. Am I mistaken?
> I looked around a bit but couldn't find a document stating the policy on
> this.
> I was reminded of reading the contrib guidelines for Cassandra, another
> Apache project. Which had this on its page:
> http://cassandra.apache.org/doc/latest/development/patches.html#choosing-the-right-branches-to-work-on
> Which clearly states that older version X is only to receive bugfixes,
> really old version Y only receives critical bug fixes, etc...
> Is there a document detailing this policy for Kafka? If there is, I
> probably overlooked it. If so, where should I have found it?
> Kind regards,
> Koen De Groote

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