[llvm-dev] Phabricator -> GitHub PRs?
Christian Kühnel via llvm-dev
llvm-dev at lists.llvm.org
Tue Jan 21 01:45:00 PST 2020
Another thought on the topic is tooling support and tool integration:
There is a hughe ecosystem around Github and very little around Phabricator.
It took me 2 days to set up build jobs for the 10.x release branch .
There are nice build integrations for Github and it was smooth sailing.
Setting up a build job for pull requests would just be a few clicks now.
In contrast I've been spending weeks on setting up a proper integration of
pre-merge tests  with Phabricator. And I'm far from having a proper
solution and I know some corner cases we will never be able to solve
properly with Phabricator. The root cause is: On Phabricator you review
patches that might or might not be related to a git revision and the
process for merging/landing might introduce even more changes. This is a
fundamental problem with the data model and nothing that can be fixed
In Github pull requests there is always a git commit that you can just feed
to the build server. And you can be sure of what really gets merged. You
review, build and test exactly the change that gets merged afterwards.
So from the build server perspective, Github is clearly the better solution.
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