gitignore/README.md
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# A collection of `.gitignore` templates
This is GitHubs collection of [`.gitignore`][man] file templates.
We use this list to populate the `.gitignore` template choosers available
in the GitHub.com interface when creating new repositories and files.
For more information about how `.gitignore` files work, and how to use them,
the following resources are a great place to start:
- The [Ignoring Files chapter][chapter] of the [Pro Git][progit] book.
- The [Ignoring Files article][help] on the GitHub Help site.
- The [gitignore(5)][man] manual page.
[man]: http://git-scm.com/docs/gitignore
[help]: https://help.github.com/articles/ignoring-files
[chapter]: https://git-scm.com/book/en/Git-Basics-Recording-Changes-to-the-Repository#_ignoring
[progit]: http://git-scm.com/book
## Folder structure
We support a collection of templates, organized in this way:
- the root folder contains templates in common use, to help people get started
with popular programming languages and technologies. These define a meaningful
set of rules to help get started, and ensure you are not committing
unimportant files into your repository
- [`Global`](./Global) contains templates for various editors, tools and
operating systems that can be used in different situations. It is recommended
that you either [add these to your global template](https://help.github.com/articles/ignoring-files/#create-a-global-gitignore)
or merge these rules into your project-specific templates if you want to use
them permanently.
- [`ecosystem`](./ecosystem) contains specialized templates coalescing around
popular programming languages, but don't make sense to live in the mainstream
templates. These should be added to your project-specific templates when you
decide to adopt the framework or tool.
## What makes a good template?
A template should contain a set of rules to help Git repositories work with a
specific programming language, framework, tool or environment.
If it's not possible to curate a small set of useful rules for this situation,
then the template is not a good fit for this collection.
If a template is mostly a list of files installed by a particular version of
some software (e.g. a PHP framework), it should live under the `ecosystem`
directory. See [versioned templates]() for a guide to this setup.
Please also understand that we cant list every tool that ever existed.
Our aim is to curate a collection of the _most common and helpful_ templates,
not to make sure we cover every project possible. If we choose not to
include your language, tool, or project, its not because its not awesome.
## Contributing guidelines
Wed love for you to help us improve this project. To help us keep this collection
high quality, we request that contributions adhere to the following guidelines.
- **Provide a link to the application or projects homepage**. Unless its
extremely popular, theres a chance the maintainers dont know about or use
the language, framework, editor, app, or project your change applies to.
- **Provide links to documentation** supporting the change youre making.
Current, canonical documentation mentioning the files being ignored is best.
If documentation isnt available to support your change, do the best you can
to explain what the files being ignored are for.
- **Explain why youre making a change**. Even if it seems self-evident, please
take a sentence or two to tell us why your change or addition should happen.
Its especially helpful to articulate why this change applies to _everyone_
who works with the applicable technology, rather than just you or your team.
- **Please consider the scope of your change**. If your change is specific to a
certain language or framework, then make sure the change is made to the
template for that language or framework, rather than to the template for an
editor, tool, or operating system.
- **Please only modify _one template_ per pull request**. This helps keep pull
requests and feedback focused on a specific project or technology.
In general, the more you can do to help us understand the change youre making,
the more likely well be to accept your contribution quickly.
## Versioned templates
Some templates can change greatly between versions, and if you wish to contribute
to this repository we need to follow this specific flow:
- the template at the root should be the current supported version
- the template at the root should not have a version in the filename (i.e.
"evergreen")
- previous versions of templates should live under `ecosystem`
- previous versions of the template should embed the version in the filename,
for readability
This helps ensure users get the latest version (because they'll use whatever is
at the root) but helps maintainers support older versions still in the wild.
## Specialized templates
If you have a template that you would like to contribute, but it isn't quite
mainstream, please consider adding this to the `ecosystem` directory under a
folder that best suits where it belongs.
The rules in your specialized template should be specific to the framework or
tool, and any additional templates should be mentioned in a comment in the
header of the template
For example
```
# gitignore template for InforCRM (formerly SalesLogix)
#
# Recommended: VisualStudio.gitignore
# Ignore model files that are auto-generated
ModelIndex.xml
ExportedFiles.xml
# Ignore deployment files
[Mm]odel/[Dd]eployment
# Force include portal SupportFiles
!Model/Portal/*/SupportFiles/[Bb]in/
!Model/Portal/PortalTemplates/*/SupportFiles/[Bb]in
```
## Contributing workflow
Heres how we suggest you go about proposing a change to this project:
1. [Fork this project][fork] to your account.
2. [Create a branch][branch] for the change you intend to make.
3. Make your changes to your fork.
4. [Send a pull request][pr] from your forks branch to our `master` branch.
Using the web-based interface to make changes is fine too, and will help you
by automatically forking the project and prompting to send a pull request too.
[fork]: https://help.github.com/articles/fork-a-repo/
[branch]: https://help.github.com/articles/creating-and-deleting-branches-within-your-repository
[pr]: https://help.github.com/articles/using-pull-requests/
## License
[CC0-1.0](./LICENSE).