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Implementation</a></li></ul></li></ul></li></ul></div></div></div><main class="docMainContainer_2iGs"><div class="container padding-vert--lg docItemWrapper_1bxp"><div class="row"><div class="col docItemCol_U38p"><div class="docItemContainer_a7m4"><article><div><span class="badge badge--secondary">Version: 0.6.0</span></div><header><h1 class="docTitle_Oumm">How To Contribute to Submarine</h1></header><div class="markdown"><p>There are several ways to contribute to Submarine:</p><ol><li>Develop and Commit source code (This document will primarily focus on this.)</li><li>Report issues (You can report issues with both Github or Jira.)</li><li>Discuss/Answer questions on the mailing list</li><li>Share use cases</li></ol><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="preface"></a>Preface<a class="hash-link" href="#preface" title="Direct link to heading">#</a></h2><ul><li><strong>Apache Submarine</strong> is an <a href="https://github.com/apache/submarine/blob/master/LICENSE" target="_blank" rel="noopener noreferrer">Apache 2.0 License</a> Software. Contributing to Submarine means you agree to the Apache 2.0 License. </li><li>Please read <a href="http://www.apache.org/foundation/policies/conduct.html" target="_blank" rel="noopener noreferrer">Code of Conduct</a> carefully.</li><li>The document <a href="http://www.apache.org/foundation/how-it-works.html" target="_blank" rel="noopener noreferrer">How It Works</a> can help you understand Apache Software Foundation further.</li></ul><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="build-submarine"></a>Build Submarine<a class="hash-link" href="#build-submarine" title="Direct link to heading">#</a></h2><ul><li><a href="/docs/devDocs/BuildFromCode">Build From Code</a></li></ul><h2><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="creating-patches"></a>Creating patches<a class="hash-link" href="#creating-patches" title="Direct link to heading">#</a></h2><p>Submarine follows <a href="https://github.com/sevntu-checkstyle/sevntu.checkstyle/wiki/Development-workflow-with-Git:-Fork,-Branching,-Commits,-and-Pull-Request" target="_blank" rel="noopener noreferrer">Fork & Pull</a> model.</p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step1-fork-apachesubmarine-github-repository-first-time"></a>Step1: Fork apache/submarine github repository (first time)<a class="hash-link" href="#step1-fork-apachesubmarine-github-repository-first-time" title="Direct link to heading">#</a></h3><ul><li>Visit <a href="https://github.com/apache/submarine" target="_blank" rel="noopener noreferrer">https://github.com/apache/submarine</a></li><li>Click the <code>Fork</code> button to create a fork of the repository</li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step2-clone-the-submarine-to-your-local-machine"></a>Step2: Clone the Submarine to your local machine<a class="hash-link" href="#step2-clone-the-submarine-to-your-local-machine" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1zKU"><div class="codeBlockContent_actS"><div tabindex="0" class="prism-code language-sh codeBlock_tuNs thin-scrollbar"><div class="codeBlockLines_3uvA" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain"># USERNAME – your Github user account name.</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git clone git@github.com:${USERNAME}/submarine.git</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># or: git clone https://github.com/${USERNAME}/submarine.git </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"> </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">cd submarine</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># set upstream </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git remote add upstream git@github.com:apache/submarine.git</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># or: git remote add upstream https://github.com/apache/submarine.git</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"> |
| </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Don't push to the upstream master.</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git remote set-url --push upstream no_push</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"> |
| </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Check upstream/origin:</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># origin git@github.com:${USERNAME}/submarine.git (fetch)</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># origin git@github.com:${USERNAME}/submarine.git (push)</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># upstream git@github.com:apache/submarine.git (fetch)</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># upstream no_push (push)</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git remote -v</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2GIj">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step3-create-a-new-jira-in-submarine-project"></a>Step3: Create a new Jira in Submarine project<a class="hash-link" href="#step3-create-a-new-jira-in-submarine-project" title="Direct link to heading">#</a></h3><ul><li>New contributors need privilege to create JIRA issues. Please email <a href="mailto:kaihsun@apache.org" target="_blank" rel="noopener noreferrer">kaihsun@apache.org</a> with your Jira username. In addition, the email title should be "[New Submarine Contributor]".</li><li>Check <a href="https://issues.apache.org/jira/projects/SUBMARINE/issues/SUBMARINE-748?filter=allopenissues" target="_blank" rel="noopener noreferrer">Jira issue tracker</a> for existing issues.</li><li>Create a new Jira issue in Submarine project. When the issue is created, a Jira number (eg. SUBMARINE-748) will be assigned to the issue automatically. |
| <img alt="jira_number_example" src="/assets/images/jira_number_example-9d86e8dd3b72d9d9c2adddfbffc00a54.png"></li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step4-create-a-local-branch-for-your-contribution"></a>Step4: Create a local branch for your contribution<a class="hash-link" href="#step4-create-a-local-branch-for-your-contribution" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1zKU"><div class="codeBlockContent_actS"><div tabindex="0" class="prism-code language-sh codeBlock_tuNs thin-scrollbar"><div class="codeBlockLines_3uvA" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">cd submarine</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"> |
| </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Make your local master up-to-date</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git checkout master</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git fetch upstream </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git rebase upstream/master</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"> |
| </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Create a new branch fro issue SUBMARINE-${jira_number}</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git checkout -b SUBMARINE-${jira_number}</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"> |
| </span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Example: git checkout -b SUBMARINE-748 </span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2GIj">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step5-develop--create-commits"></a>Step5: Develop & Create commits<a class="hash-link" href="#step5-develop--create-commits" title="Direct link to heading">#</a></h3><ul><li>You can edit the code on the <code>SUBMARINE-${jira_number}</code> branch. (Coding Style: <a href="#code-convention">Code Convention</a>)</li><li>Create commits</li></ul><div class="mdxCodeBlock_1zKU"><div class="codeBlockContent_actS"><div tabindex="0" class="prism-code language-sh codeBlock_tuNs thin-scrollbar"><div class="codeBlockLines_3uvA" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">git add ${edited files}</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git commit -m "SUBMARINE-${jira_number}. ${Commit Message}"</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Example: git commit -m "SUBMARINE-748. Update Contributing guide" </span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2GIj">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step6-syncing-your-local-branch-with-upstreammaster"></a>Step6: Syncing your local branch with upstream/master<a class="hash-link" href="#step6-syncing-your-local-branch-with-upstreammaster" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1zKU"><div class="codeBlockContent_actS"><div tabindex="0" class="prism-code language-sh codeBlock_tuNs thin-scrollbar"><div class="codeBlockLines_3uvA" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain"># On SUBMARINE-${jira_number} branch</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git fetch upstream</span></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">git rebase upstream/master</span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2GIj">Copy</button></div></div><ul><li>Please do not use <code>git pull</code> to synchronize your local branch. Because <code>git pull</code> does a merge to create merged commits, these will make commit history messy.</li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step7-push-your-local-branch-to-your-personal-fork"></a>Step7: Push your local branch to your personal fork<a class="hash-link" href="#step7-push-your-local-branch-to-your-personal-fork" title="Direct link to heading">#</a></h3><div class="mdxCodeBlock_1zKU"><div class="codeBlockContent_actS"><div tabindex="0" class="prism-code language-sh codeBlock_tuNs thin-scrollbar"><div class="codeBlockLines_3uvA" style="color:#bfc7d5;background-color:#292d3e"><div class="token-line" style="color:#bfc7d5"><span class="token plain">git push origin SUBMARINE-${jira_number} </span></div></div></div><button type="button" aria-label="Copy code to clipboard" class="copyButton_2GIj">Copy</button></div></div><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step8-check-github-actions-status-of-your-personal-commit"></a>Step8: Check GitHub Actions status of your personal commit<a class="hash-link" href="#step8-check-github-actions-status-of-your-personal-commit" title="Direct link to heading">#</a></h3><ul><li>Visit <code>https://github.com/${USERNAME}/submarine/actions</code></li><li>Please make sure your new commits can pass all workflows before creating a pull request.</li></ul><p><img alt="check_ci_pass" src="/assets/images/check_ci_pass-9c6656dec7130470506c7420e55c7dd0.png"></p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step9-create-a-pull-request-on-github-ui"></a>Step9: Create a pull request on github UI<a class="hash-link" href="#step9-create-a-pull-request-on-github-ui" title="Direct link to heading">#</a></h3><ul><li>Visit your fork at <code>https://github.com/${USERNAME}/submarine.git</code></li><li>Click <code>Compare & Pull Request</code> button to create pull request. |
| <img alt="compare_pull_request_button" src="/assets/images/compare_pull_request_button-a5c8f7a7ebda5fad45d1d9e6ca8ed58a.png"></li></ul><h4><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="pull-request-template"></a>Pull Request template<a class="hash-link" href="#pull-request-template" title="Direct link to heading">#</a></h4><ul><li><a href="https://github.com/apache/submarine/blob/bd7578cc28f8280f9170938d4469fcc965e24a89/.github/PULL_REQUEST_TEMPLATE" target="_blank" rel="noopener noreferrer">Pull request template</a></li><li>Filling the template thoroughly can improve the speed of the review process. Example: </li></ul><p><img alt="pull_request_template_example" src="/assets/images/pull_request_template_example-5db7207e23fa54cca6de32325e8d7c67.png"></p><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step10-check-github-actions-status-of-your-pull-request-in-apachesubmarine"></a>Step10: Check GitHub Actions status of your pull request in apache/submarine<a class="hash-link" href="#step10-check-github-actions-status-of-your-pull-request-in-apachesubmarine" title="Direct link to heading">#</a></h3><ul><li>Visit <a href="https://github.com/apache/submarine/actions" target="_blank" rel="noopener noreferrer">https://github.com/apache/submarine/actions</a></li><li>Please make sure your pull request can pass all workflows. </li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step11-the-review-process"></a>Step11: The Review Process<a class="hash-link" href="#step11-the-review-process" title="Direct link to heading">#</a></h3><ul><li>Anyone can be a reviewer and comment on the pull requests.</li><li>Reviewer can indicate that a patch looks suitable for merging with a comment such as: "Looks good", "LGTM", "+1". (PS: LGTM = Looks Good To Me)</li><li>At least one indication of suitability (e.g. "LGTM") from a committer is required to be merged. </li><li>A committer can then initiate lazy consensus ("Merge if there is no more discussion") after which the code can be merged after a particular time (usually 24 hours) if there are no more reviews.</li><li>Contributors can ping reviewers (including committers) by commenting 'Ready to review'.</li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="step12-address-review-comments"></a>Step12: Address review comments<a class="hash-link" href="#step12-address-review-comments" title="Direct link to heading">#</a></h3><ul><li>Push new commits to SUBMARINE-${jira_number} branch. The pull request will update automatically.</li><li>After you address all review comments, committers will merge the pull request.</li></ul><h3><a aria-hidden="true" tabindex="-1" class="anchor enhancedAnchor_prK2" id="code-convention"></a>Code convention<a class="hash-link" href="#code-convention" title="Direct link to heading">#</a></h3><p>We are following Google Code style:</p><ul><li><a href="https://google.github.io/styleguide/javaguide.html" target="_blank" rel="noopener noreferrer">Java style</a></li><li><a href="https://google.github.io/styleguide/shell.xml" target="_blank" rel="noopener noreferrer">Shell style</a></li></ul><p>There are some plugins to format, lint your code in IDE (use <a href="hhttps://github.com/apache/submarine/blob/master/dev-support/maven-config/checkstyle.xml" target="_blank" rel="noopener noreferrer">dev-support/maven-config/checkstyle.xml</a> as rules)</p><ul><li><a href="https://plugins.jetbrains.com/plugin/1065" target="_blank" rel="noopener noreferrer">Checkstyle plugin for Intellij</a> (<a href="http://stackoverflow.com/questions/26955766/intellij-idea-checkstyle" target="_blank" rel="noopener noreferrer">Setting Guide</a>)</li><li><a href="http://eclipse-cs.sourceforge.net/#!/" target="_blank" rel="noopener noreferrer">Checkstyle plugin for Eclipse</a> (<a href="http://eclipse-cs.sourceforge.net/#!/project-setup" target="_blank" rel="noopener noreferrer">Setting Guide</a>)</li></ul></div></article><div class="margin-vert--xl"><div class="row"><div class="col"><a href="https://github.com/apache/submarine/edit/master/website/versioned_docs/version-0.6.0/community/contributing.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="1.2em" width="1.2em" preserveAspectRatio="xMidYMid meet" role="img" viewBox="0 0 40 40" class="iconEdit_2LL7"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div></div></div><div class="margin-vert--lg"><nav class="pagination-nav" aria-label="Blog list page navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/docs/community/HowToCommit"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">« Guide for Apache Submarine Committers</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/docs/designDocs/architecture-and-requirements"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Architecture and Requirment »</div></a></div></nav></div></div></div><div class="col col--3"><div class="tableOfContents_2xL- thin-scrollbar"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#preface" class="table-of-contents__link">Preface</a></li><li><a href="#build-submarine" class="table-of-contents__link">Build Submarine</a></li><li><a href="#creating-patches" class="table-of-contents__link">Creating patches</a><ul><li><a href="#step1-fork-apachesubmarine-github-repository-first-time" class="table-of-contents__link">Step1: Fork apache/submarine github repository (first time)</a></li><li><a href="#step2-clone-the-submarine-to-your-local-machine" class="table-of-contents__link">Step2: Clone the Submarine to your local machine</a></li><li><a href="#step3-create-a-new-jira-in-submarine-project" class="table-of-contents__link">Step3: Create a new Jira in Submarine project</a></li><li><a href="#step4-create-a-local-branch-for-your-contribution" class="table-of-contents__link">Step4: Create a local branch for your contribution</a></li><li><a href="#step5-develop--create-commits" class="table-of-contents__link">Step5: Develop & Create commits</a></li><li><a href="#step6-syncing-your-local-branch-with-upstreammaster" class="table-of-contents__link">Step6: Syncing your local branch with upstream/master</a></li><li><a href="#step7-push-your-local-branch-to-your-personal-fork" class="table-of-contents__link">Step7: Push your local branch to your personal fork</a></li><li><a href="#step8-check-github-actions-status-of-your-personal-commit" class="table-of-contents__link">Step8: Check GitHub Actions status of your personal commit</a></li><li><a href="#step9-create-a-pull-request-on-github-ui" class="table-of-contents__link">Step9: Create a pull request on github UI</a></li><li><a href="#step10-check-github-actions-status-of-your-pull-request-in-apachesubmarine" class="table-of-contents__link">Step10: Check GitHub Actions status of your pull request in apache/submarine</a></li><li><a href="#step11-the-review-process" class="table-of-contents__link">Step11: The Review Process</a></li><li><a href="#step12-address-review-comments" class="table-of-contents__link">Step12: Address review comments</a></li><li><a href="#code-convention" class="table-of-contents__link">Code 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