Class: ASRake::VersionTask

Inherits:
Object
  • Object
show all
Includes:
Rake::DSL
Defined in:
lib/asrake/version_task.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name = :version, filename = "VERSION") {|_self| ... } ⇒ VersionTask

Returns a new instance of VersionTask.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/asrake/version_task.rb', line 12

def initialize(name = :version, filename = "VERSION")
	self.filename = filename

	yield self if block_given?

	# fail if no filename was provided
	fail "You must define 'filename' for #{self}" if filename == nil

	@path = Pathname.new(self.filename)
	# set filetype from the filename if it hasn't been set already
	self.filetype ||= @path.extname[1..-1]

	# read in the current version
	contents = @path.read rescue '0.0.0'
	@version = case filetype.to_s
		when ''		then Version.to_version(contents.chomp)
		when 'yml'	then Version.to_version(YAML::load(contents))
	end

	# create the primary version task
	desc "Increment version from #{@version}"
	@version_task = Rake::Task.define_task name

	# if the task name is a hash (ie, has dependencies defined) make sure we pull out the task name from it
	name, _ = name.first if name.is_a? Hash

	Rake::Task.define_task name, [:part] => filename do |t, args|
		case (args[:part] || "").chomp.downcase
			when 'major'
				puts "Incremented version from #{@version} to #{save(@version.bump!(:major))}"
			when 'minor'
				puts "Incremented version from #{@version} to #{save(@version.bump!(:minor))}"
			when 'revision', 'rev', 'patch'
				puts "Incremented version from #{@version} to #{save(@version.bump!(:revision))}"
			when ''
				puts "Current version is #{@version}"
				puts "Version number format is Major.Minor.Revision (aka Major.Minor.Patch)"
				puts "To increment the version, provide the respective part as an argument."
				puts "rake #{@version_task}[major]    => #{@version.bump(:major)}"
				puts "rake #{@version_task}[minor]    => #{@version.bump(:minor)}"
				puts "rake #{@version_task}[revision] => #{@version.bump(:revision)}"
			else
				fail "Invalid version argument '#{args[:part]}', run 'rake #{@version_task}' for help."
		end
		@sync_task.execute()
	end

	file filename do
		puts "Created version #{save(Version.to_version(ENV['VERSION'] || '0.0.0'))} at #{filename}"
	end
	
	# create a namespace with the same name as the task to provide further options
	namespace name do

		#add to this task to perform some operation post-bump
		@sync_task = task :sync

	end

end

Instance Attribute Details

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/asrake/version_task.rb', line 8

def filename
  @filename
end

#filetype ⇒ Object

Returns the value of attribute filetype.



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# File 'lib/asrake/version_task.rb', line 9

def filetype
  @filetype
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/asrake/version_task.rb', line 10

def version
  @version
end