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How to contribute
We definitely welcome your patches and contributions to gRPC! Please read the gRPC
organization's governance rules
and contribution guidelines before proceeding.
If you are new to github, please start by reading Pull Request howto
Legal requirements
In order to protect both you and ourselves, you will need to sign the
Contributor License Agreement.
Guidelines for Pull Requests
How to get your contributions merged smoothly and quickly.
-
Create small PRs that are narrowly focused on addressing a single
concern. We often times receive PRs that are trying to fix several things at
a time, but only one fix is considered acceptable, nothing gets merged and
both author's & review's time is wasted. Create more PRs to address different
concerns and everyone will be happy. -
The grpc package should only depend on standard Go packages and a small number
of exceptions. If your contribution introduces new dependencies which are NOT
in the list, you need a
discussion with gRPC-Go authors and consultants. -
For speculative changes, consider opening an issue and discussing it first. If
you are suggesting a behavioral or API change, consider starting with a gRFC
proposal. -
Provide a good PR description as a record of what change is being made
and why it was made. Link to a github issue if it exists. -
Don't fix code style and formatting unless you are already changing that line
to address an issue. PRs with irrelevant changes won't be merged. If you do
want to fix formatting or style, do that in a separate PR. -
Unless your PR is trivial, you should expect there will be reviewer comments
that you'll need to address before merging. We expect you to be reasonably
responsive to those comments, otherwise the PR will be closed after 2-3 weeks
of inactivity. -
Maintain clean commit history and use meaningful commit messages. PRs
with messy commit history are difficult to review and won't be merged. Use
rebase -i upstream/master
to curate your commit history and/or to bring in
latest changes from master (but avoid rebasing in the middle of a code
review). -
Keep your PR up to date with upstream/master (if there are merge conflicts, we
can't really merge your change). -
All tests need to be passing before your change can be merged. We
recommend you run tests locally before creating your PR to catch breakages
early on.make all
to test everything, ORmake vet
to catch vet errorsmake test
to run the testsmake testrace
to run tests in race mode- optional
make testappengine
to run tests with appengine
-
Exceptions to the rules can be made if there's a compelling reason for doing so.