Use executable for generate badget svg

README.md

@@ -7,7 +7,7 @@
 [![Dependency Status](https://gemnasium.com/aterris/simplecov-shield.svg)](https://gemnasium.com/aterris/simplecov-shield)
 [![License](http://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
- 
+
 [SimpleCov](https://github.com/colszowka/simplecov) Formatter to generate coverage badge via [Shields.io](http://shields.io/)
 
 ## Install
@@ -31,6 +31,16 @@ require 'simplecov-shield'
 SimpleCov.formatter = SimpleCov::Formatter::ShieldFormatter
 ```
 
+Or use the executable
+
+```
+simplecov-shield 90
+```
+
+```ruby
+SimpleCov::Formatter::ShieldFormatter.new.run(90)
+```
+
 Badge will be generated at `coverage/coverage.svg`
 
 ## Examples

bin/simplecov-shield

@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+require 'simplecov-shield'
+
+unless ARGV[0]
+  puts "required covered percent"
+else
+  SimpleCov::Formatter::ShieldFormatter.run(ARGV[0].to_i)
+end

lib/simplecov-shield.rb

@@ -18,6 +18,11 @@ def format(result)
     generate_shield
   end
 
+  def run(covered_percent)
+    @result = OpenStruct.new({covered_percent: covered_percent})
+    generate_shield
+  end
+
   def generate_shield
     File.open(shield_file_path, 'w') do |file|
       file.write HTTParty.get(shield_url).parsed_response
@@ -58,4 +63,4 @@ def color
   @config.each do |key, val|
     define_method(key) { self.class.config[key] }
   end
-end
+end

simplecov-shield.gemspec

@@ -10,6 +10,7 @@ Gem::Specification.new do |spec|
   spec.homepage      = 'https://github.com/aterris/simplecov-shield'
   spec.license       = 'MIT'
 
+  spec.executables << 'simplecov-shield'
   spec.files         = ['lib/simplecov-shield.rb']
   spec.test_files    = spec.files.grep(%r{^(spec)/})
   spec.require_path  = 'lib'