Class: Decommission

Inherits:
Object
  • Object
show all
Defined in:
lib/decommission.rb,
lib/decommission/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Class Method Summary collapse

Class Method Details

.detect(path = Dir.pwd) ⇒ Object 



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# File 'lib/decommission.rb', line 6

def self.detect(path = Dir.pwd)
  folders = Dir.glob('*')
  max_length = folders.max_by(&:length).length
  any_rails_apps = false
  folders.each do |folder|
    if rails_app?(folder)
      any_rails_apps = true
      if gemfile_present?(folder)
        version = detect_bundled_version(folder)
        puts "#{folder.ljust(max_length)} #{version}".green if version
      else
        version = detect_env_version(folder)
        puts "#{folder.ljust(max_length)} #{version}".red if version
      end
    end
  end
  puts "No rails apps found, run this in your code directory".red unless any_rails_apps
end

.detect_bundled_version(folder) ⇒ Object 



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# File 'lib/decommission.rb', line 35

def self.detect_bundled_version(folder)
  Dir.chdir folder do
    deps = Bundler::Definition.build('Gemfile', 'Gemfile.lock', {}).dependencies
    rails = deps.select{|s| s.name == 'rails' }.first
    rails.requirement if rails
  end
end

.detect_env_version(folder) ⇒ Object 



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# File 'lib/decommission.rb', line 43

def self.detect_env_version(folder)
  env_path = File.join(folder, 'config', 'environment.rb')
  env = open env_path

  env.each_line do |line|
    match = line.match(/RAILS_GEM_VERSION = ['"](.+)['"]/)
    return "= #{match[1]}" if match
  end
  return 'unknown (pre 3.0)'
end

.gemfile_present?(folder) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/decommission.rb', line 30

def self.gemfile_present?(folder)
  gemfile_path = File.join(folder, 'Gemfile')
  File.exists?(gemfile_path)
end

.rails_app?(folder) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/decommission.rb', line 25

def self.rails_app?(folder)
  env_path = File.join(folder, 'config', 'environment.rb')
  File.exists?(env_path)
end