Module: Travis::Tools::System

Defined in:
lib/travis/tools/system.rb

Class Method Summary collapse

Class Method Details

.description(*args) ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 75

def description(*args)
  [full_os, ruby, rubygems, *args.flatten].compact.uniq.join('; ')
end

.full_os ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 34

def full_os
  os_name == os_type ? os : "#{os} like #{os_type}"
end

.has?(command) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 79

def has?(command)
  return false unless unix?

  @has ||= {}
  @has.fetch(command) { @has[command] = system "command -v #{command} 2>/dev/null >/dev/null" }
end

.linux? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 22

def linux?
  RUBY_PLATFORM =~ /linux/i
end

.mac? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 18

def mac?
  RUBY_PLATFORM =~ /darwin/i
end

.os ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 30

def os
  os_name ? "#{os_name} #{os_version}".strip : os_type
end

.os_name ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 43

def os_name
  @os_name ||= has?(:sw_vers)     && `sw_vers -productName`.chomp
  @os_name ||= has?(:lsb_release) && `lsb_release -i -s`.chomp
end

.os_type ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 48

def os_type
  @os_type ||= windows? ? 'Windows' : `uname`.chomp
end

.os_version ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 38

def os_version
  @os_version ||= has?(:sw_vers)     && `sw_vers -productVersion`.chomp
  @os_version ||= has?(:lsb_release) && `lsb_release -r -s`.chomp
end

.recent_version?(version, minimum) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 8

def recent_version?(version, minimum)
  version = version.split('.').map { |s| s.to_i }
  minimum = minimum.split('.').map { |s| s.to_i }
  (version <=> minimum) >= 0
end

.ruby ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 60

def ruby
  case ruby_engine
  when 'ruby'  then "Ruby #{ruby_version}"
  when 'jruby' then "JRuby #{JRUBY_VERSION} like Ruby #{ruby_version}"
  when 'rbx'   then "Rubinius #{Rubinius.version[/\d\S+/]} like Ruby #{ruby_version}"
  else              "#{ruby_engine} like Ruby #{ruby_version}"
  end
end

.ruby_engine ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 52

def ruby_engine
  defined?(RUBY_ENGINE) ? RUBY_ENGINE : 'ruby'
end

.ruby_version ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 56

def ruby_version
  format('%s-p%s', RUBY_VERSION, RUBY_PATCHLEVEL)
end

.rubygems ⇒ Object 



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# File 'lib/travis/tools/system.rb', line 69

def rubygems
  return 'no RubyGems' unless defined? Gem

  "RubyGems #{Gem::VERSION}"
end

.running?(app) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 86

def running?(app)
  return false unless unix?

  system "/usr/bin/pgrep -u $(whoami) #{app} >/dev/null"
end

.unix? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 26

def unix?
  !windows?
end

.windows? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/travis/tools/system.rb', line 14

def windows?
  File::ALT_SEPARATOR == '\\'
end