Module: Depend::PackageProvider::Common

Included in:
Apt, Homebrew
Defined in:
lib/depend/package_provider/common.rb

Instance Method Summary collapse

Instance Method Details

#command ⇒ Object

command for package_provider



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# File 'lib/depend/package_provider/common.rb', line 26

def command
  fail NotImplementedError, "Implement #command in subclass"
end

#display_name ⇒ Object

display_name for package_provider



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# File 'lib/depend/package_provider/common.rb', line 48

def display_name
  self.class.to_s.split("::").last.capitalize
end

#exec_install(dep) ⇒ Object

exec install command

command: command for package_provider dep: library need installed



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# File 'lib/depend/package_provider/common.rb', line 19

def exec_install(dep)
  puts "Run: #{command} install #{dep}"
  `#{command} install #{dep}`
end

#exist? ⇒ Boolean

Check package_provider exist in this system

Returns:

  • (Boolean) 


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# File 'lib/depend/package_provider/common.rb', line 32

def exist?
  paths = (
    ENV['PATH'].split(::File::PATH_SEPARATOR) +
    %w(/bin /usr/bin /sbin /usr/sbin /opt/local/bin)
  )

  paths.each do |path|
    possible = File.join(path, command)
    return possible if File.executable?(possible)
  end

  false
end

#install(spec, dep) ⇒ Object

Install dep for spec



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# File 'lib/depend/package_provider/common.rb', line 6

def install(spec, dep)
  unless installed?(dep)
    print "#{spec} need #{dep} installed, Install it with #{display_name} now? y(y/n)"
    y = STDIN.getc
    exec_install(dep) unless y.downcase == 'n'
  end
  installed?(dep)
end

#installed?(dep) ⇒ Boolean

check dep installed in this system

Returns:

  • (Boolean) 


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# File 'lib/depend/package_provider/common.rb', line 53

def installed?(dep)
  fail NotImplementedError, "Implement #installed in subclass"
end