# CONTRIBUTING
This project is free software for the express purpose of collaboration.
We welcome all input, bug reports, feature requests, general comments,
and patches.
## Communication
If you're not sure about anything, please open an issue and ask, or
e-mail the project founder <preaction@cpan.org> or [talk to us on IRC on
irc.perl.org channel #cpantesters-discuss](https://chat.mibbit.com/?channel=%23cpantesters-discuss&server=irc.perl.org)!
## Standard of Conduct
To ensure a welcoming, safe, collaborative environment, this project
will enforce a standard of conduct:
* The topic of this project is the project itself. Please stay on-topic.
* Stick to the facts
* Avoid demeaning remarks and sarcasm
Unacceptable behavior will receive a single, public warning. Repeated
unacceptable behavior will result in removal from the project.
Remember, all the people who contribute to this project are volunteers.
## About this Project
### Project Goals
This project provides a thin, fast logging API for modules to allow
interoperability between logging systems and integration into existing
systems' logging.
When a project starts depending on a module that uses Log::Any, they
should be able to easily integrate their new dependency's logging to
their existing logging system.
When a project without logging starts depending on a module that uses
Log::Any, they should not notice that any logging exists: Logs should
not be written, and performance should not degrade significantly by the
inclusion of logging.
This distribution must be installable on a clean Perl 5.8 without
additional dependencies.
### Repository Layout
This project follows CPAN conventions with some additions, explained
below.
#### `lib/`
Modules are located in the `lib/` directory. Most of the functionality
of the project should be in a module. If the functionality should be
available to users from a script, the script should call the module.
#### `bin/`
Command-line scripts go in the `bin/` directory. Most of the real
functionality of these should be in a library, but these scripts must
call the library function and document the command-line interface.
#### `t/`
All the tests are located in the `t/` directory. See "Getting Started"
below for how to build the project and run its tests.
#### `xt/`
Any extra tests that are not to be bundled with the CPAN module and run
by consumers is located here. These tests are run at release time and
may test things that are expensive or esoteric.
## What to Contribute
### Comments
The issue tracker is used for both bug reports and to-do list. Anything
on the issue tracker, open or closed, is available for discussion.
### Fixes
For fixes, simply fork and send a pull request. Fixes to anything,
documentation, code, tests, are equally welcome, appreciated, and
addressed!
If you are fixing a bug in the code, please add a regression test to
ensure it stays fixed in the future.
### Features
All contributions are welcome if they fit the scope of this project. If
you're not sure if your feature fits, open an issue and ask. If it doesn't
fit, we will try to find a way to enable you to add your feature in a
related project (if it means changes in this project).
When contributing a feature, please add some basic functionality tests
to ensure the feature is working properly. These tests do not need to be
comprehensive or paranoid, but must at least demonstrate that the
feature is working as documented.
## Getting Started Building and Running Tests
This project uses Dist::Zilla for its releases, but you aren't required
to use it for contributing.
These instructions do require you have
[App::cpanminus (cpanm)](https://metacpan.org/pod/App::cpanminus) installed.
`cpanm` is a CPAN client to install Perl modules and programs. You can
install `cpanm` by doing:
```
curl -L https://cpanmin.us | perl - App::cpanminus
```
Or, if you (not incorrectly) do not trust that, by using the existing
`cpan` client that comes with Perl:
```
cpan App::cpanminus
```
You may need to be root or Administrator to install cpanminus.
### Using `cpanm` to install prereqs
The [`cpanm`](https://metacpan.org/pod/App::cpanminus) command is the
easiest way to install this project's dependencies. In the root of the
project, just run `cpanm --installdeps .` and the dependencies will be
installed.
### Using `carton` to install prereqs in an isolated directory
If you with to isolate the prerequisites of this project so they do not
interfere with other projects, you can use the
[Carton](http://metacpan.org/pod/Carton) tool. Install Carton normally
from CPAN using `cpanm Carton`, then use the `carton` command to install
this module's prereqs in the `local/` directory:
```
carton install
```
Once the prereqs are installed, you can use `carton exec prove -lr t`
to run all the tests with the right prereqs. Putting `carton exec` in
front of the command makes sure Perl uses the right library
directories.
### Using `prove` to run tests
Perl comes with a utility called `prove` which runs tests and gives
a report on failures. To run the test suite with `prove`, do:
```
prove -lr t
```
This will run all the tests in the `t` directory, recursively, while
adding the current `lib/` directory to the library path.
You can run individual test files more quickly by passing them as
arguments to prove:
```
prove -l t/my-test.t
```
### Using Dist::Zilla to install prereqs and run tests
Once you have installed Dist::Zilla via `cpanm Dist::Zilla`, you can get
this distributions's dependencies by doing:
```
dzil listdeps --author --missing | cpanm
```
Once all that is done, testing is as easy as:
```
dzil test
```
## Before you Submit Your Contribution
### Copyright and License
All contributions are copyright their respective owners, so make sure you
agree with the project license (found in the LICENSE file) before
contributing.
The list of Contributors is calculated automatically from the Git commit
log. If you do not wish to be listed as a contributor, or if you wish to
be listed as a contributor with a different e-mail address, tell me so
in the ticket or e-mail me at doug@preaction.me.
### Code Formatting and Style
Please try to maintain the existing code formatting and style.
* 4-space indents
* Opening brace on the same line as the opening keyword
* Exceptions made for lengthy conditionals
* Closing brace on the same column as the opening keyword
### Documentation
Documentation is incredibly important, and contributions will not be
accepted until documentated.
* Methods must be documented inline, above the code of the method
* Method documentation must include name, sample usage, and description
of inputs and outputs
* Attributes must be documented inline, above the attribute declaration
* Attribute documentation must include name, sample value, and
description
* User-executable scripts must be documented with a short synopsis,
a longer description, and all the arguments and options explained
* Tests must be documented with the purpose of the test and any useful
information for understanding the test.
### New Prerequisites
Though this project has a `cpanfile`, a `Makefile.PL`, and maybe even
a `Build.PL`, these files are auto-generated and should not be edited.
To add new prereqs, you must add them to the `dist.ini` file in the
following sections:
* `[Prereqs]` - Runtime requirements
* `[Prereqs / TestRequires]` - Test-only requirements
* `[Prereqs / Recommends]` - Runtime recommendations, for optional
modules
* `[Prereqs / TestRecomments]` - Test-only recommendations, for optional
modules
If the section doesn't already exist, you can add it to the bottom of
the `dist.ini` file.
The `Recommends` and `TestRecommends` will be automatically installed by
Travis CI to test those parts of the code.
OS-specific prerequisites can be added using the
[Dist::Zilla::Plugin::OSPrereqs](http://metacpan.org/pod/Dist::Zilla::Plugin::OSPrereqs)
module.
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