gitea/vendor/github.com/src-d/enry/v2/CONTRIBUTING.md

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# source{d} Contributing Guidelines
source{d} projects accept contributions via GitHub pull requests.
This document outlines some of the
conventions on development workflow, commit message formatting, contact points,
and other resources to make it easier to get your contribution accepted.
## Certificate of Origin
By contributing to this project, you agree to the [Developer Certificate of
Origin (DCO)](DCO). This document was created by the Linux Kernel community and is a
simple statement that you, as a contributor, have the legal right to make the
contribution.
In order to show your agreement with the DCO you should include at the end of the commit message,
the following line: `Signed-off-by: John Doe <john.doe@example.com>`, using your real name.
This can be done easily using the [`-s`](https://github.com/git/git/blob/b2c150d3aa82f6583b9aadfecc5f8fa1c74aca09/Documentation/git-commit.txt#L154-L161) flag on the `git commit`.
If you find yourself pushed a few commits without `Signed-off-by`, you can still add it afterwards. We wrote a manual which can help: [fix-DCO.md](https://github.com/src-d/guide/blob/master/developer-community/fix-DCO.md).
## Support Channels
The official support channels, for both users and contributors, are:
- GitHub issues: each repository has its own list of issues.
- Slack: join the [source{d} Slack](https://join.slack.com/t/sourced-community/shared_invite/enQtMjc4Njk5MzEyNzM2LTFjNzY4NjEwZGEwMzRiNTM4MzRlMzQ4MmIzZjkwZmZlM2NjODUxZmJjNDI1OTcxNDAyMmZlNmFjODZlNTg0YWM) community.
*Before opening a new issue or submitting a new pull request, it's helpful to
search the project - it's likely that another user has already reported the
issue you're facing, or it's a known issue that we're already aware of.
## How to Contribute
Pull Requests (PRs) are the main and exclusive way to contribute code to source{d} projects.
In order for a PR to be accepted it needs to pass this list of requirements:
- The contribution must be correctly explained with natural language and providing a minimum working example that reproduces it.
- All PRs must be written idiomaticly:
- for Go: formatted according to [gofmt](https://golang.org/cmd/gofmt/), and without any warnings from [go lint](https://github.com/golang/lint) nor [go vet](https://golang.org/cmd/vet/)
- for other languages, similar constraints apply.
- They should in general include tests, and those shall pass.
- If the PR is a bug fix, it has to include a new unit test that fails before the patch is merged.
- If the PR is a new feature, it has to come with a suite of unit tests, that tests the new functionality.
- In any case, all the PRs have to pass the personal evaluation of at least one of the [maintainers](MAINTAINERS) of the project.
### Format of the commit message
Every commit message should describe what was changed, under which context and, if applicable, the GitHub issue it relates to:
```
plumbing: packp, Skip argument validations for unknown capabilities. Fixes #623
```
The format can be described more formally as follows:
```
<package>: <subpackage>, <what changed>. [Fixes #<issue-number>]
```