Class: Spring::Client::Binstub

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

Defined Under Namespace

Classes: RailsCommand

Instance Attribute Summary collapse

Attributes inherited from Command

#args, #env

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Binstub

Returns a new instance of Binstub.



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# File 'lib/spring/client/binstub.rb', line 25

def initialize(args)
  super

  @bindir   = env.root.join("bin")
  @commands = args.drop(1).inject({}) { |mem, name| mem.merge(find_commands(name)) }
end

Instance Attribute Details

#bindir ⇒ Object (readonly)

Returns the value of attribute bindir.



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# File 'lib/spring/client/binstub.rb', line 4

def bindir
  @bindir
end

#commands ⇒ Object (readonly)

Returns the value of attribute commands.



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# File 'lib/spring/client/binstub.rb', line 4

def commands
  @commands
end

Class Method Details

.call(args) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 10

def self.call(args)
  require "spring/commands"
  super
end

.description ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 6

def self.description
  "Generate spring based binstubs. Use --all to generate a binstub for all known commands."
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 51

def call
  bindir.mkdir unless bindir.exist?
  commands.each { |name, command| generate_binstub(name, command) }
end

#fallback(name, command) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 71

def fallback(name, command)
  if command.respond_to?(:fallback)
    command.fallback
  else
    %{exec "bundle", "exec", "#{name}", *ARGV}
  end
end

#find_commands(name) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 32

def find_commands(name)
  case name
  when "--all"
    commands = Spring.commands
    commands.delete_if { |name, _| name.start_with?("rails_") }
    commands["rails"] = RailsCommand.new
    commands
  when "rails"
    { name => RailsCommand.new }
  else
    if command = Spring.commands[name]
      { name => command }
    else
      $stderr.puts "The '#{name}' command is not known to spring."
      exit 1
    end
  end
end

#generate_binstub(name, command) ⇒ Object 



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# File 'lib/spring/client/binstub.rb', line 56

def generate_binstub(name, command)
  File.write(bindir.join(name), <<CODE)
#!/usr/bin/env ruby

if !Process.respond_to?(:fork) || Gem::Specification.find_all_by_name("spring").empty?
#{fallback(name, command).strip.gsub(/^/, "  ")}
else
  ARGV.unshift "#{name}"
  load Gem.bin_path("spring", "spring")
end
CODE

  bindir.join(name).chmod 0755
end