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Contributing to Oshi

OSHI is work of many contributors. You're encouraged to submit pull requests, propose features and discuss issues.

OSHI is first-timers-only friendly. If you're new to open source, or coding, or git, we're happy to help you get started! Look for the first-timers-only or good first issue tags on issues, or simply post a new issue asking how you can help. We'll walk you through the steps needed to contribute to the project.

Fork the Project

Fork the project on Github by clicking on the word "Fork" above and to the right of this page. This will create your own fork at https://github.com/yournamehere/oshi.git. Then clone your fork to your local repository on your machine using these commands:

git clone https://github.com/yournamehere/oshi.git
cd oshi
git remote add upstream https://github.com/oshi/oshi.git

Create a Branch for your feature

Make sure your fork is up-to-date and create a topic branch for your feature or bug fix.

git checkout master
git pull upstream master
git checkout -b my-feature-branch

Build and Test

Ensure that you can build the project and run tests.

mvn test

Write Tests

For bug fixes, try to write a test that reproduces the problem you're trying to fix (and fails). For new features, write a test that produces results for a feature that you want to build.

We definitely appreciate pull requests that highlight or reproduce a problem, even without a fix.

Write Code

Implement your feature or bug fix.

Make sure that mvn test completes without errors.

Update Changelog

Add a line to CHANGELOG under Next Release. Make it look like every other line, including your name and link to your Github account.

Commit Changes

Make sure git knows your name and email address:

git config --global user.name "Your Name"
git config --global user.email "contributor@example.com"

Writing good commit logs is important. A commit log should describe what changed and why.

git add ...
git commit

Push

git push origin my-feature-branch

Make a Pull Request

Go to https://github.com/yournamehere/oshi and select your feature branch. Click the 'Pull Request' button and fill out the form. Pull requests are usually reviewed within a few days.

Rebase

If you've been working on a change for a while and other commits have been made to the project, rebase with upstream/master.

git fetch upstream
git rebase upstream/master
git push origin my-feature-branch -f

Update CHANGELOG Again

Update the CHANGELOG with the pull request number. A typical entry looks as follows.

* [#123](https://github.com/oshi/oshi/pull/123): Reticulated splines - [@contributor](https://github.com/contributor).

You may amend your previous commit and force push the changes, or just submit a changelog commit.

git commit --amend
git push origin my-feature-branch -f

Check on Your Pull Request

Go back to your pull request after a few minutes and see whether it passed muster with Travis-CI. Everything should look green, otherwise read the Travis log to identify failed tests or compile erros. Fix issues and amend your commit as described above.

Be Patient

It's likely that your change will not be merged and that the nitpicky maintainers will ask you to do more, or fix seemingly benign problems. Hang on there!

Thank You

Please do know that we really appreciate and value your time and work. We love you, really.

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