Class: Spring::Client::Binstub::Item

Inherits:
Object
  • Object
show all
Defined in:
lib/spring/client/binstub.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command) ⇒ Item

Returns a new instance of Item.



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# File 'lib/spring/client/binstub.rb', line 57

def initialize(command)
  @command = command

  if command.binstub.exist?
    @existing = command.binstub.read
  elsif command.name == "rails"
    scriptfile = Spring.application_root_path.join("script/rails")
    @existing = scriptfile.read if scriptfile.exist?
  end
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/spring/client/binstub.rb', line 55

def command
  @command
end

#existing ⇒ Object (readonly)

Returns the value of attribute existing.



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# File 'lib/spring/client/binstub.rb', line 55

def existing
  @existing
end

Instance Method Details

#add ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 72

def add
  if existing
    if existing.include?(OLD_BINSTUB)
      fallback = existing.match(/#{Regexp.escape OLD_BINSTUB}\n(.*)else/m)[1]
      fallback.gsub!(/^  /, "")
      fallback = nil if fallback.include?("exec")
      generate(fallback)
      status "upgraded"
    elsif existing.include?(LOADER)
      status "Spring already present"
    elsif existing =~ BINSTUB_VARIATIONS
      upgraded = existing.sub(BINSTUB_VARIATIONS, LOADER)
      File.write(command.binstub, upgraded)
      status "upgraded"
    else
      head, shebang, tail = existing.partition(SHEBANG)

      if shebang.include?("ruby")
        unless command.binstub.exist?
          FileUtils.touch command.binstub
          command.binstub.chmod 0755
        end

        File.write(command.binstub, "#{head}#{shebang}#{LOADER}#{tail}")
        status "Spring inserted"
      else
        status "doesn't appear to be ruby, so cannot use Spring", $stderr
        exit 1
      end
    end
  else
    generate
    status "generated with Spring"
  end
end

#generate(fallback = nil) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 108

def generate(fallback = nil)
  unless fallback
    fallback = "require 'bundler/setup'\n" \
               "load Gem.bin_path('#{command.gem_name}', '#{command.exec_name}')\n"
  end

  File.write(command.binstub, "#!/usr/bin/env ruby\n#{LOADER}#{fallback}")
  command.binstub.chmod 0755
end

#remove ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 118

def remove
  if existing
    File.write(command.binstub, existing.sub(BINSTUB_VARIATIONS, ""))
    status "Spring removed"
  end
end

#status(text, stream = $stdout) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 68

def status(text, stream = $stdout)
  stream.puts "* #{command.binstub_name}: #{text}"
end