Using Thor for CLI and minor documentation changes

Author: owahab

README.md

@@ -2,6 +2,12 @@
 
 Installs OS-specific packages required to run your gems.
 
+Inspired by [Natives](https://github.com/teohm/natives) gem by @teohm.
+
+Native anonymously communicates with a remote server to determine the required
+native dependencies for your gems. No data is sent or collected without your
+approval.
+
 ## Installation
 
 Add this line to your application's Gemfile:
@@ -20,7 +26,9 @@ Or install it yourself as:
 
 ## Usage
 
-Run `native` before `bundle install`.
+Before running `bundle install`, Run:
+
+    $ native
 
 ## Development
 

bin/native

@@ -1,10 +1,7 @@
 #!/usr/bin/env ruby
 
-require 'bundler/setup'
-require 'native'
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
-file = 'Gemfile.lock'
-lockfile = Bundler::LockfileParser.new(Bundler.read_file(file))
-platform = Native::Platform.new
-puts "Detected OS: #{platform.name} #{platform.version}"
-puts lockfile.specs.map(&:name)
+require 'native/cli'
+
+Native::Cli.start

lib/native/cli.rb

@@ -0,0 +1,26 @@
+require 'thor'
+require 'native'
+require 'bundler'
+
+module Native
+  # Command Line Interface
+  class Cli < Thor
+    desc 'list', 'list native packages required by the catalog entries'
+    method_option :file, default: 'Gemfile.lock', desc: 'dependency file'
+    def list(file)
+      lockfile = ::Bundler::LockfileParser.new(Bundler.read_file(file))
+      puts lockfile.specs.map(&:name)
+    end
+
+    desc 'detect', 'detect and print platform and package provider information'
+    def detect
+      platform = Native::Platform.new
+      puts "Detected OS: #{platform.inspect} #{platform.version}"
+    end
+
+    desc 'version', 'print version information'
+    def version
+      puts "Native version #{VERSION}"
+    end
+  end
+end