Class: Sashimi::Commands::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/sashimi/commands.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Command

Returns a new instance of Command.



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# File 'lib/sashimi/commands.rb', line 8

def initialize
  @script_name = File.basename($0)
end

Instance Attribute Details

#script_name ⇒ Object (readonly)

Returns the value of attribute script_name.



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# File 'lib/sashimi/commands.rb', line 6

def script_name
  @script_name
end

Class Method Details

.parse!(args = ARGV) ⇒ Object 



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# File 'lib/sashimi/commands.rb', line 72

def self.parse!(args=ARGV)
  Command.new.parse!(args)
rescue Exception => e
  puts e.message
  exit 1
end

Instance Method Details

#options ⇒ Object 



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# File 'lib/sashimi/commands.rb', line 12

def options
  OptionParser.new do |o|
    o.set_summary_indent('  ')
    o.banner =    "Usage: #{@script_name} [OPTIONS] command"
    o.define_head "Rails plugin manager."

    o.separator ""        
    o.separator "GENERAL OPTIONS"

    o.on("-v", "--verbose", "Turn on verbose output.") { |$verbose| }
    o.on("-h", "--help", "Show this help message.") { puts o; exit }

    o.separator ""
    o.separator "COMMANDS"

    o.separator "  install        Install plugin from known URL."
    o.separator "  uninstall      Uninstall plugin from local repository."
    o.separator "  update         Update an installed plugin."
    o.separator "  list           List all installed plugins."
    o.separator "  add            Add installed plugin(s) to a Rails app."

    o.separator ""
    o.separator "EXAMPLES"
    o.separator "  Install a plugin from a subversion URL:"
    o.separator "    #{@script_name} install http://dev.rubyonrails.com/svn/rails/plugins/continuous_builder\n"
    o.separator "  Install a plugin from a git URL:"
    o.separator "    #{@script_name} install git://github.com/jodosha/click-to-globalize.git\n"
    o.separator "  Uninstall a plugin:"
    o.separator "    #{@script_name} uninstall continuous_builder\n"
    o.separator "  Update a plugin:"
    o.separator "    #{@script_name} update click-to-globalize\n"
    o.separator "  List all installed plugins:"
    o.separator "    #{@script_name} list\n"
    o.separator "  Add installed plugin(s) to a Rails app:"
    o.separator "    #{@script_name} add click-to-globalize\n"
  end
end

#parse!(args = ARGV) ⇒ Object 



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# File 'lib/sashimi/commands.rb', line 50

def parse!(args=ARGV)
  general, sub = split_args(args)
  options.parse!(general)

  command = general.shift
  if command =~ /^(install|uninstall|update|list|add)$/
    command = Commands.const_get(command.capitalize).new(self)
    command.parse!(sub)
  else
    puts "Unknown command: #{command}"
    puts options
    exit 1
  end
end

#split_args(args) ⇒ Object 



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# File 'lib/sashimi/commands.rb', line 65

def split_args(args)
  left = []
  left << args.shift while args[0] and args[0] =~ /^-/
  left << args.shift if args[0]
  return [left, args]
end