Class: Pik::Command

Inherits:
Object show all
Defined in:
lib/pik/commands/command.rb

Direct Known Subclasses

Add, Checkup, Config, Default, GemSync, Help, Implode, Install, List, Remove, Run, Switch, Tag, Tags

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = ARGV, config_ = nil) ⇒ Command

Returns a new instance of Command.



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# File 'lib/pik/commands/command.rb', line 80

def initialize(args=ARGV, config_=nil)
  @args    = args
  @options = OptionParser.new
  @config  = config_ || ConfigFile.new
  @hl      = HighLine.new
  add_sigint_handler
  options.program_name = "#{PIK_BATCH.basename('.*')} #{self.class.names.join('|')}"
  command_options
  parse_options
  create(PIK_HOME) unless PIK_HOME.exist?
  delete_old_pik_batches
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/pik/commands/command.rb', line 13

def config
  @config
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/pik/commands/command.rb', line 15

def options
  @options
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/pik/commands/command.rb', line 17

def output
  @output
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/pik/commands/command.rb', line 19

def version
  @version
end

Class Method Details

.aka(*aliases) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 41

def self.aka(*aliases)
  @names = names + aliases
end

.choose_from(patterns, config) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 57

def self.choose_from(patterns, config)
  if patterns.empty?
    possibles = config.keys  
  else
    possibles = patterns.map{|p| config.keys.grep(Regexp.new(Regexp.escape(p.to_s))) }
    possibles = possibles.inject{|m,v| m & v }.flatten.uniq
  end
  case possibles.size
  when 0
    return nil
  when 1
    return possibles.first
  else
    hl.say('Select which Ruby you want:')
    ver = hl.choose(*possibles)
    return ver
  end
end

.clean_gem_batch ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 49

def self.clean_gem_batch
  BatchFile.open(PIK_BATCH) do |gem_bat|
    # remove old calls to .pik/pik batches
    gem_bat.remove_line( /call.+pik.+bat/i )
    gem_bat.write  
  end
end

.cmd_name ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 21

def self.cmd_name
  name.split('::').last.downcase.to_sym
end

.description ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 25

def self.description
  new.options.to_s
end

.hl ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 76

def self.hl
  @hl ||= HighLine.new
end

.inherited(subclass) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 29

def self.inherited(subclass)
  Commands.add(subclass)
end

.it(str) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 33

def self.it(str)
  @summary = str
end

.names ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 45

def self.names
  @names ||= [cmd_name]
end

.summary ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 37

def self.summary
  @summary 
end

Instance Method Details

#add_sigint_handler ⇒ Object

Installs a sigint handler.



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# File 'lib/pik/commands/command.rb', line 166

def add_sigint_handler
  trap 'INT' do
    raise QuitError
  end
end

#close ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 93

def close
  editors.each{|e| e.write }
end

#cmd_name ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 160

def cmd_name
  self.class.cmd_name
end

#command_options ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 101

def command_options
  options.separator ""
  options.separator self.class.summary
  options.separator ""
end

#create(home) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 149

def create(home)
  puts "creating #{home}"
  home.mkpath
end

#current_gem_bin_path ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 138

def current_gem_bin_path
  cfg = config[find_config_from_path]
  p = cfg[:gem_home] || default_gem_home 
  p + 'bin'
end

#current_version?(string) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pik/commands/command.rb', line 115

def current_version?(string)
  string == get_version
end

#default_gem_home ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 144

def default_gem_home
  path = `#{Which::Ruby.exe} -rubygems -e\"require 'rubygems' ; puts Gem.default_path.first\"`
  Pathname.new(path.chomp).to_windows
end

#delete_old_pik_batches(cutoff = (Time.now - (2 * 60 * 60))) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 154

def delete_old_pik_batches( cutoff=(Time.now - (2 * 60 * 60)) )
  Dir[(PIK_HOME + "*.bat").to_ruby.to_s].each do |f|
    File.delete(f) if File.ctime(f) < cutoff 
  end
end

#editors ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 97

def editors
  @editors ||= []
end

#find_config_from_path(path = Which::Ruby.find) ⇒ Object

def current_path?(config_path)

@path ||= SearchPath.new(ENV['PATH'])
@path.find{|dir| Pathname(dir) == Pathname(config_path) }

end



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# File 'lib/pik/commands/command.rb', line 132

def find_config_from_path(path=Which::Ruby.find)
  config.find{|k,v| 
    Pathname(v[:path])== Pathname(path)
  }.first rescue nil
end

#get_version(path = Which::Ruby.find) ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 119

def get_version(path=Which::Ruby.find)
  cmd = Which::Ruby.exe(path)
  ruby_ver = `"#{cmd}" -v`
  ruby_ver =~ /ruby (\d\.\d\.\d)/i
  major    = $1.gsub('.','')
  "#{major}: #{ruby_ver.strip}"
end

#parse_options ⇒ Object 



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# File 'lib/pik/commands/command.rb', line 107

def parse_options
  options.on("--version", "-V", "Pik version") do |value|
    puts "pik " + Pik::VERSION
    @version = true
  end
  options.parse! @args 
end