Class: Rake::ShipitTask::Step::ChangeVersion

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

Instance Method Summary collapse

Constructor Details

#initialize(step, file, name = "VERSION") ⇒ ChangeVersion

Returns a new instance of ChangeVersion.



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# File 'lib/shipit.rb', line 126

def initialize(step, file, name="VERSION")
	@file = file
	@name = name
end

Instance Method Details

#prepare ⇒ Object 



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# File 'lib/shipit.rb', line 131

def prepare
	require "pathname"
	@file     = Pathname.new(@file)
	@content  = @file.read
	@match    = @content.match(/#{@name}\s*=\s*['"](\d+\.\d+\.\d+)['"]/)
	@new_version = @match[1].succ
	@newcont  = @content[0..@match.begin(1)-1] + @new_version + @content[@match.end(1)..-1]
	raise "Can't find version string in #{@file}." if @match.nil?
	puts "Find version string #{@match[1]} and will change to #{@new_version}"

	# check content of Rakefile
	check_version = nil
	@org = @file.parent + "#{@file.basename}.org"
	FileUtils.cp @file, @org
	@file.open("w") do |f|
		f.print @newcont
	end

	## run ruby not to duplicate rake tasks.
	IO.popen("ruby", "r+") do |ruby|
		ruby << <<-EOS
			m = Module.new
			m.module_eval(File.read("Rakefile"))
			print Marshal.dump(m.const_get(:VERS))
		EOS
		ruby.close_write
		check_version = Marshal.load(ruby.read)
	end

	FileUtils.mv @org, @file
	raise "Constant VERS in Rakefile must be same as 3rd argument of ChangeVersion step." unless @new_version == check_version

	VERS.replace @new_version
end

#run ⇒ Object 



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# File 'lib/shipit.rb', line 166

def run
	puts "Changing version to #{@new_version}"
	@file.open("w") do |f|
		f.print @newcont
	end
end