Module: CapistranoMulticonfigParallel::GemHelper

Included in:
CapistranoMulticonfigParallel, ApplicationHelper
Defined in:
lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb

Overview

helper used to determine gem versions

Class Method Summary collapse

Class Method Details

.fetch_gem_version(gem_name) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb', line 15

def fetch_gem_version(gem_name)
  version = find_loaded_gem_property(gem_name)
  version.blank? ? nil : get_parsed_version(version)
end

.find_loaded_gem(name) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb', line 6

def find_loaded_gem(name)
  Gem.loaded_specs.values.find { |repo| repo.name == name }
end

.find_loaded_gem_property(gem_name, property = 'version') ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb', line 10

def find_loaded_gem_property(gem_name, property = 'version')
  gem_spec = find_loaded_gem(gem_name)
  gem_spec.respond_to?(property) ? gem_spec.send(property) : nil
end

.get_parsed_version(version) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb', line 20

def get_parsed_version(version)
  version = version.to_s.split('.')
  version.pop until version.size == 2
  version.join('.').to_f
end

.verify_gem_version(gem_name, version, options = {}) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/helpers/gem_helper.rb', line 26

def verify_gem_version(gem_name, version, options = {})
  options.stringify_keys!
  version = get_parsed_version(version)
  gem_version = fetch_gem_version(gem_name)
  gem_version.blank? ? false : gem_version.send(options.fetch('operator', '<='), version)
end