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										 |  |  | # How to contribute
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							|  |  |  | We definitely welcome your patches and contributions to gRPC! Please read the gRPC | 
					
						
							|  |  |  | organization's [governance rules](https://github.com/grpc/grpc-community/blob/master/governance.md) | 
					
						
							|  |  |  | and [contribution guidelines](https://github.com/grpc/grpc-community/blob/master/CONTRIBUTING.md) before proceeding. | 
					
						
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							|  |  |  | If you are new to github, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/) | 
					
						
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							|  |  |  | ## Legal requirements
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							|  |  |  | In order to protect both you and ourselves, you will need to sign the | 
					
						
							|  |  |  | [Contributor License Agreement](https://identity.linuxfoundation.org/projects/cncf). | 
					
						
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							|  |  |  | ## Guidelines for Pull Requests
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							|  |  |  | How to get your contributions merged smoothly and quickly. | 
					
						
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							|  |  |  | - 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. | 
					
						
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										 |  |  | - If you are searching for features to work on, issues labeled [Status: Help | 
					
						
							|  |  |  |   Wanted](https://github.com/grpc/grpc-go/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22Status%3A+Help+Wanted%22) | 
					
						
							|  |  |  |   is a great place to start. These issues are well-documented and usually can be | 
					
						
							|  |  |  |   resolved with a single pull request. | 
					
						
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							|  |  |  | - If you are adding a new file, make sure it has the copyright message template  | 
					
						
							|  |  |  |   at the top as a comment. You can copy over the message from an existing file  | 
					
						
							|  |  |  |   and update the year. | 
					
						
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										 |  |  | - 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](https://godoc.org/google.golang.org/grpc?imports), you need a | 
					
						
							|  |  |  |   discussion with gRPC-Go authors and consultants. | 
					
						
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							|  |  |  | - 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](https://github.com/grpc/proposal). | 
					
						
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							|  |  |  | - 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. | 
					
						
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										 |  |  | - If you want to fix formatting or style, consider whether your changes are an  | 
					
						
							|  |  |  |   obvious improvement or might be considered a personal preference. If a style  | 
					
						
							|  |  |  |   change is based on preference, it likely will not be accepted. If it corrects  | 
					
						
							|  |  |  |   widely agreed-upon anti-patterns, then please do create a PR and explain the  | 
					
						
							|  |  |  |   benefits of the change. | 
					
						
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							|  |  |  | - Unless your PR is trivial, you should expect there will be reviewer comments | 
					
						
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										 |  |  |   that you'll need to address before merging. We'll mark it as `Status: Requires | 
					
						
							|  |  |  |   Reporter Clarification` if we expect you to respond to these comments in a | 
					
						
							|  |  |  |   timely manner. If the PR remains inactive for 6 days, it will be marked as | 
					
						
							|  |  |  |   `stale` and automatically close 7 days after that if we don't hear back from | 
					
						
							|  |  |  |   you. | 
					
						
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							|  |  |  | - 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). | 
					
						
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							|  |  |  | - Keep your PR up to date with upstream/master (if there are merge conflicts, we | 
					
						
							|  |  |  |   can't really merge your change). | 
					
						
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							|  |  |  | - **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. | 
					
						
							|  |  |  |   - `VET_SKIP_PROTO=1 ./vet.sh` to catch vet errors | 
					
						
							|  |  |  |   - `go test -cpu 1,4 -timeout 7m ./...` to run the tests | 
					
						
							|  |  |  |   - `go test -race -cpu 1,4 -timeout 7m ./...` to run tests in race mode | 
					
						
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							|  |  |  | - Exceptions to the rules can be made if there's a compelling reason for doing so. |