116 lines
6.4 KiB
Markdown
116 lines
6.4 KiB
Markdown
<!---
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<!---
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+======================================================================+
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|**** ****|
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|**** THIS FILE IS GENERATED BY THE COMMONS BUILD PLUGIN ****|
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|**** DO NOT EDIT DIRECTLY ****|
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|**** ****|
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+======================================================================+
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| TEMPLATE FILE: contributing-md-template.md |
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| commons-build-plugin/trunk/src/main/resources/commons-xdoc-templates |
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+======================================================================+
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| 1) Re-generate using: mvn commons-build:contributing-md |
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| 2) Set the following properties in the component's pom: |
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| - commons.jira.id (required, alphabetic, upper case) |
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| |
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| 3) Example Properties |
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| |
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| <properties> |
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| <commons.jira.id>MATH</commons.jira.id> |
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| </properties> |
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+======================================================================+
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--->
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Contributing to Apache Commons Math
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======================
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You have found a bug or you have an idea for a cool new feature? Contributing code is a great way to give something back to
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the open source community. Before you dig right into the code there are a few guidelines that we need contributors to
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follow so that we can have a chance of keeping on top of things.
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Getting Started
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---------------
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+ Make sure you have a [JIRA account](https://issues.apache.org/jira/).
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+ Make sure you have a [GitHub account](https://github.com/signup/free).
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+ If you're planning to implement a new feature it makes sense to discuss your changes on the [dev list](https://commons.apache.org/mail-lists.html) first. This way you can make sure you're not wasting your time on something that isn't considered to be in Apache Commons Math's scope.
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+ Submit a [Jira Ticket][jira] for your issue, assuming one does not already exist.
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+ Clearly describe the issue including steps to reproduce when it is a bug.
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+ Make sure you fill in the earliest version that you know has the issue.
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+ Find the corresponding [repository on GitHub](https://github.com/apache/?query=commons-),
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[fork](https://help.github.com/articles/fork-a-repo/) and check out your forked repository.
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Making Changes
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--------------
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+ Create a _topic branch_ for your isolated work.
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* Usually you should base your branch on the `master` or `trunk` branch.
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* A good topic branch name can be the JIRA bug id plus a keyword, e.g. `MATH-123-InputStream`.
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* If you have submitted multiple JIRA issues, try to maintain separate branches and pull requests.
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+ Make commits of logical units.
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* Make sure your commit messages are meaningful and in the proper format. Your commit message should contain the key of the JIRA issue.
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* e.g. `MATH-123: Close input stream earlier`
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+ Respect the original code style:
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+ Only use spaces for indentation.
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+ Create minimal diffs - disable _On Save_ actions like _Reformat Source Code_ or _Organize Imports_. If you feel the source code should be reformatted create a separate PR for this change first.
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+ Check for unnecessary whitespace with `git diff` -- check before committing.
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+ Make sure you have added the necessary tests for your changes, typically in `src/test/java`.
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+ Run all the tests with `mvn clean verify` to assure nothing else was accidentally broken.
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Making Trivial Changes
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----------------------
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The JIRA tickets are used to generate the changelog for the next release.
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For changes of a trivial nature to comments and documentation, it is not always necessary to create a new ticket in JIRA.
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In this case, it is appropriate to start the first line of a commit with '(doc)' instead of a ticket number.
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Submitting Changes
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------------------
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+ Sign and submit the Apache [Contributor License Agreement][cla] if you haven't already.
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* Note that small patches & typical bug fixes do not require a CLA as
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clause 5 of the [Apache License](https://www.apache.org/licenses/LICENSE-2.0.html#contributions)
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covers them.
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+ Push your changes to a topic branch in your fork of the repository.
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+ Submit a _Pull Request_ to the corresponding repository in the `apache` organization.
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* Verify _Files Changed_ shows only your intended changes and does not
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include additional files like `target/*.class`
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+ Update your JIRA ticket and include a link to the pull request in the ticket.
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If you prefer to not use GitHub, then you can instead use
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`git format-patch` (or `svn diff`) and attach the patch file to the JIRA issue.
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Additional Resources
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--------------------
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+ [Contributing patches](https://commons.apache.org/patches.html)
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+ [Apache Commons Math JIRA project page][jira]
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+ [Contributor License Agreement][cla]
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+ [General GitHub documentation](https://help.github.com/)
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+ [GitHub pull request documentation](https://help.github.com/articles/creating-a-pull-request/)
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+ [Apache Commons Twitter Account](https://twitter.com/ApacheCommons)
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+ `#apache-commons` IRC channel on `irc.freenode.net`
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[cla]:https://www.apache.org/licenses/#clas
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[jira]:https://issues.apache.org/jira/browse/MATH
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