Github user harshach commented on the issue:
https://github.com/apache/storm/pull/1468
commits can be preserved in contributors branch as they seem fit but it
doesn't help having them in the main repo. As a contributor they know what
those commits means but everyone else will doesn't have any knowledge of
individual commits and why they made them.
**How does this preserve authorship in a pull request that has commits from
multiple authors?**
It will ask for primary authors and the user who is merging this can input
more than one author at the time of merge.
**How would this work with our current branch model? Specifically, applying
a pull request to multiple branches**
It will allow you to choose a main branch and allows you to pick the
squashed commits onto other branches as well by cherry-picking.
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