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# Contribution Guidelines
## Table of Contents
- [Contribution Guidelines](#contribution-guidelines)
- [Introduction](#introduction)
- [Bug reports](#bug-reports)
- [Discuss your design](#discuss-your-design)
- [Testing redux](#testing-redux)
- [Vendoring](#vendoring)
- [Translation](#translation)
- [Code review](#code-review)
- [Styleguide](#styleguide)
- [Sign-off your work](#sign-off-your-work)
- [Release Cycle](#release-cycle)
- [Maintainers](#maintainers)
- [Owners](#owners)
- [Versions](#versions)
- [Releasing Gitea](#releasing-gitea)
- [Copyright](#copyright)
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## Introduction
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This document explains how to contribute changes to the Gitea project.
It assumes you have followed the
[installation instructions](https://docs.gitea.io/en-us/).
Sensitive security-related issues should be reported to
[security@gitea.io](mailto:security@gitea.io).
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For configuring IDE or code editor to develop Gitea see [IDE and code editor configuration](contrib/ide/)
## Bug reports
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Please search the issues on the issue tracker with a variety of keywords
to ensure your bug is not already reported.
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If unique, [open an issue](https://github.com/go-gitea/gitea/issues/new)
and answer the questions so we can understand and reproduce the
problematic behavior.
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To show us that the issue you are having is in Gitea itself, please
write clear, concise instructions so we can reproduce the behavior—
even if it seems obvious. The more detailed and specific you are,
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the faster we can fix the issue. Check out [How to Report Bugs
Effectively](http://www.chiark.greenend.org.uk/~sgtatham/bugs.html).
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Please be kind, remember that Gitea comes at no cost to you, and you're
getting free help.
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## Discuss your design
The project welcomes submissions. If you want to change or add something,
please let everyone know what you're working on—[file an issue](https://github.com/go-gitea/gitea/issues/new)!
Significant changes must go through the change proposal process
before they can be accepted. To create a proposal, file an issue with
your proposed changes documented, and make sure to note in the title
of the issue that it is a proposal.
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This process gives everyone a chance to validate the design, helps
prevent duplication of effort, and ensures that the idea fits inside
the goals for the project and tools. It also checks that the design is
sound before code is written; the code review tool is not the place for
high-level discussions.
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## Testing redux
Before submitting a pull request, run all the tests for the whole tree
to make sure your changes don't cause regression elsewhere.
Here's how to run the test suite:
- Install the correct version of the drone-cli package. As of this
writing, the correct drone-cli version is
[0.8.6](https://0-8-0.docs.drone.io/cli-installation/).
- Ensure you have enough free disk space. You will need at least
15-20 Gb of free disk space to hold all of the containers drone
creates (a default AWS or GCE disk size won't work -- see
[#6243](https://github.com/go-gitea/gitea/issues/6243)).
- Change into the base directory of your copy of the gitea repository,
and run `drone exec --local --build-event pull_request`.
The drone version, command line, and disk requirements do change over
time (see [#4053](https://github.com/go-gitea/gitea/issues/4053) and
[#6243](https://github.com/go-gitea/gitea/issues/6243)); if you
discover any issues, please feel free to send us a pull request to
update these instructions.
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## Vendoring
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We keep a cached copy of dependencies within the `vendor/` directory,
managing updates via [Modules](https://golang.org/cmd/go/#hdr-Module_maintenance).
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Pull requests should only include `vendor/` updates if they are part of
the same change, be it a bugfix or a feature addition.
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The `vendor/` update needs to be justified as part of the PR description,
and must be verified by the reviewers and/or merger to always reference
an existing upstream commit.
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You can find more information on how to get started with it on the [Modules Wiki](https://github.com/golang/go/wiki/Modules).
## Translation
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We do all translation work inside [Crowdin](https://crowdin.com/project/gitea).
The only translation that is maintained in this git repository is
[`en_US.ini`](https://github.com/go-gitea/gitea/blob/master/options/locale/locale_en-US.ini)
and is synced regularly to Crowdin. Once a translation has reached
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A SATISFACTORY PERCENTAGE it will be synced back into this repo and
included in the next released version.
## Building Gitea
Generally, the go build tools are installed as-needed in the `Makefile`.
An exception are the tools to build the CSS and images.
- To build CSS: Install [Node.js](https://nodejs.org/en/download/package-manager) at version 8.0 or above
with `npm` and then run `npm install` and `make generate-stylesheets`.
- To build Images: ImageMagick, inkscape and zopflipng binaries must be
available in your `PATH` to run `make generate-images`.
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## Code review
Changes to Gitea must be reviewed before they are accepted—no matter who
makes the change, even if they are an owner or a maintainer. We use GitHub's
pull request workflow to do that. And, we also use [LGTM](http://lgtm.co)
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to ensure every PR is reviewed by at least 2 maintainers.
Please try to make your pull request easy to review for us. And, please read
the *[How to get faster PR reviews](https://github.com/kubernetes/community/blob/261cb0fd089b64002c91e8eddceebf032462ccd6/contributors/guide/pull-requests.md#best-practices-for-faster-reviews)* guide;
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it has lots of useful tips for any project you may want to contribute.
Some of the key points:
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* Make small pull requests. The smaller, the faster to review and the
more likely it will be merged soon.
* Don't make changes unrelated to your PR. Maybe there are typos on
some comments, maybe refactoring would be welcome on a function... but
if that is not related to your PR, please make *another* PR for that.
* Split big pull requests into multiple small ones. An incremental change
will be faster to review than a huge PR.
## Styleguide
For imports you should use the following format (_without_ the comments)
```go
import (
// stdlib
"encoding/json"
"fmt"
// local packages
"code.gitea.io/gitea/models"
"code.gitea.io/sdk/gitea"
// external packages
"github.com/foo/bar"
"gopkg.io/baz.v1"
)
```
## Sign-off your work
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The sign-off is a simple line at the end of the explanation for the
patch. Your signature certifies that you wrote the patch or otherwise
have the right to pass it on as an open-source patch. The rules are
pretty simple: If you can certify [DCO](DCO), then you just add a line
to every git commit message:
```
Signed-off-by: Joe Smith <joe.smith@email.com>
```
Please use your real name; we really dislike pseudonyms or anonymous
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contributions. We are in the open-source world without secrets. If you
set your `user.name` and `user.email` git configs, you can sign-off your
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commit automatically with `git commit -s`.
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## Release Cycle
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We adopted a release schedule to streamline the process of working
on, finishing, and issuing releases. The overall goal is to make a
minor release every two months, which breaks down into one month of
general development followed by one month of testing and polishing
known as the release freeze. All the feature pull requests should be
merged in the first month of one release period. And, during the frozen
period, a corresponding release branch is open for fixes backported from
master. Release candidates are made during this period for user testing to
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obtain a final version that is maintained in this branch. A release is
maintained by issuing patch releases to only correct critical problems
such as crashes or security issues.
Major release cycles are bimonthly. They always begin on the 25th and end on
the 24th (i.e., the 25th of December to February 24th).
During a development cycle, we may also publish any necessary minor releases
for the previous version. For example, if the latest, published release is
v1.2, then minor changes for the previous release—e.g., v1.1.0 -> v1.1.1—are
still possible.
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## Maintainers
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To make sure every PR is checked, we have [team
maintainers](MAINTAINERS). Every PR **MUST** be reviewed by at least
two maintainers (or owners) before it can get merged. A maintainer
should be a contributor of Gitea (or Gogs) and contributed at least
4 accepted PRs. A contributor should apply as a maintainer in the
[Discord](https://discord.gg/NsatcWJ) #develop channel. The owners
or the team maintainers may invite the contributor. A maintainer
should spend some time on code reviews. If a maintainer has no
time to do that, they should apply to leave the maintainers team
and we will give them the honor of being a member of the [advisors
team](https://github.com/orgs/go-gitea/teams/advisors). Of course, if
an advisor has time to code review, we will gladly welcome them back
to the maintainers team. If a maintainer is inactive for more than 3
months and forgets to leave the maintainers team, the owners may move
him or her from the maintainers team to the advisors team.
For security reasons, Maintainers should use 2FA for their accounts and
if possible provide gpg signed commits.
https://help.github.com/articles/securing-your-account-with-two-factor-authentication-2fa/
https://help.github.com/articles/signing-commits-with-gpg/
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## Owners
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Since Gitea is a pure community organization without any company support,
to keep the development healthy we will elect three owners every year. All
contributors may vote to elect up to three candidates, one of which will
be the main owner, and the other two the assistant owners. When the new
owners have been elected, the old owners will give up ownership to the
newly elected owners. If an owner is unable to do so, the other owners
will assist in ceding ownership to the newly elected owners.
For security reasons, Owners or any account with write access (like a bot)
must use 2FA.
https://help.github.com/articles/securing-your-account-with-two-factor-authentication-2fa/
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After the election, the new owners should proactively agree
with our [CONTRIBUTING](CONTRIBUTING.md) requirements in the
[Discord](https://discord.gg/NsatcWJ) #general channel. Below are the
words to speak:
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```
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I'm honored to having been elected an owner of Gitea, I agree with
[CONTRIBUTING](CONTRIBUTING.md). I will spend part of my time on Gitea
and lead the development of Gitea.
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```
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To honor the past owners, here's the history of the owners and the time
they served:
* 2016-11-04 ~ 2017-12-31
* [Lunny Xiao](https://github.com/lunny) <xiaolunwen@gmail.com>
* [Thomas Boerger](https://github.com/tboerger) <thomas@webhippie.de>
* [Kim Carlbäcker](https://github.com/bkcsoft) <kim.carlbacker@gmail.com>
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* 2018-01-01 ~ 2018-12-31
* [Lunny Xiao](https://github.com/lunny) <xiaolunwen@gmail.com>
* [Lauris Bukšis-Haberkorns](https://github.com/lafriks) <lauris@nix.lv>
* [Kim Carlbäcker](https://github.com/bkcsoft) <kim.carlbacker@gmail.com>
* 2019-01-01 ~ 2019-12-31
* [Lunny Xiao](https://github.com/lunny) <xiaolunwen@gmail.com>
* [Lauris Bukšis-Haberkorns](https://github.com/lafriks) <lauris@nix.lv>
* [Matti Ranta](https://github.com/techknowlogick) <matti@mdranta.net>
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## Versions
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Gitea has the `master` branch as a tip branch and has version branches
such as `release/v0.9`. `release/v0.9` is a release branch and we will
tag `v0.9.0` for binary download. If `v0.9.0` has bugs, we will accept
pull requests on the `release/v0.9` branch and publish a `v0.9.1` tag,
after bringing the bug fix also to the master branch.
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Since the `master` branch is a tip version, if you wish to use Gitea
in production, please download the latest release tag version. All the
branches will be protected via GitHub, all the PRs to every branch must
be reviewed by two maintainers and must pass the automatic tests.
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## Releasing Gitea
* Let $vmaj, $vmin and $vpat be Major, Minor and Patch version numbers, $vpat should be rc1, rc2, 0, 1, ...... $vmaj.$vmin will be kept the same as milestones on github or gitea in future.
* Before releasing, confirm all the version's milestone issues or PRs has been resolved. Then discuss the release on discord channel #maintainers and get agreed with almost all the owners and mergers. Or you can declare the version and if nobody against in about serval hours.
* If this is a big version first you have to create PR for changelog on branch `master` with PRs with label `changelog` and after it has been merged do following steps:
* Create `-dev` tag as `git tag -s -F release.notes v$vmaj.$vmin.0-dev` and push the tag as `git push origin v$vmaj.$vmin.0-dev`.
* When CI has finished building tag then you have to create a new branch named `release/v$vmaj.$vmin`
* If it is bugfix version create PR for changelog on branch `release/v$vmaj.$vmin` and wait till it is reviewed and merged.
* Add a tag as `git tag -s -F release.notes v$vmaj.$vmin.$`, release.notes file could be a temporary file to only include the changelog this version which you added to `CHANGELOG.md`.
* And then push the tag as `git push origin v$vmaj.$vmin.$`. Drone CI will automatically created a release and upload all the compiled binary. (But currently it didn't add the release notes automatically. Maybe we should fix that.)
* If needed send PR for changelog on branch `master`.
* Send PR to [blog repository](https://github.com/go-gitea/blog) announcing the release.
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## Copyright
Code that you contribute should use the standard copyright header:
```
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
```
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Files in the repository contain copyright from the year they are added
to the year they are last changed. If the copyright author is changed,
just paste the header below the old one.