Chekku

The gem that checks your software dependencies and install the missing ones!

Installation

Add this line to your application's Gemfile:

gem 'chekku'

And then execute:

$ bundle

Or install it yourself as:

$ gem install chekku

Usage

  $ chekku checks       # Check your software dependencies (default task)
  $ chekku help [TASK]  # Describe available tasks or one specific task

Chekkufile

This is the file that contains the dependencies we need to checks.

Chekkufile :

check 'mysql', must_run: true
check 'redis'
check 'postgres', "~> 9.2", must_run: true
check 'imagemagick', "<= 4"

def.yml

This file is in an hidden folder of your home and should contain information about how to check the existance, versions,... of a dependency

~/.chekku/def.yml :

mysql:
  executable: 'mysqld'
redis:
  executable: 'redis-server'
imagemagick:
  executable: 'convert'

Use Definition object in your code

Example on how to check a software dependency

require 'chekku/definition'
definition = Chekku::Definition.new(name: 'mysql', executable: 'mysqld')
# return true or false
definition.chekku('>= 5.0')
#return true or raise an error
definition.chekku!('> 5.0')

Web app for definitions file

You can visit the web part from where the definitions are loaded. You can add new in just two steps.

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request