#!rake

#

# jparallel rakefile

#

# Based on various other Rakefiles, especially one by Ben Bleything

#

# Copyright (c) 2008 The FaerieMUD Consortium

#

# Authors:

#  * Michae Granger and Mahlon Smith <ged@FaerieMUD.org, mahlon@martini.nu>

#

BEGIN {

	require 'pathname'

	basedir = Pathname.new( __FILE__ ).dirname

	libdir = basedir + "lib"

	extdir = basedir + "ext"

	$LOAD_PATH.unshift( libdir.to_s ) unless $LOAD_PATH.include?( libdir.to_s )

	$LOAD_PATH.unshift( extdir.to_s ) unless $LOAD_PATH.include?( extdir.to_s )

}

require 'rbconfig'

require 'rubygems'

require 'rake'

require 'rake/rdoctask'

require 'rake/testtask'

require 'rake/packagetask'

require 'rake/clean'

$dryrun = false

### Config constants

BASEDIR       = Pathname.new( __FILE__ ).dirname.relative_path_from( Pathname.getwd )

LIBDIR        = BASEDIR + 'lib'

EXTDIR        = BASEDIR + 'ext'

DOCSDIR       = BASEDIR + 'docs'

PKGDIR        = BASEDIR + 'pkg'

PKG_NAME      = 'jparallel'

PKG_SUMMARY   = 'A "parallel jail shell" written in Ruby'

VERSION_FILE  = LIBDIR + 'jparallel.rb'

PKG_VERSION   = VERSION_FILE.read[ /VERSION = '(\d+\.\d+\.\d+)'/, 1 ]

PKG_FILE_NAME = "#{PKG_NAME.downcase}-#{PKG_VERSION}"

GEM_FILE_NAME = "#{PKG_FILE_NAME}.gem"

ARTIFACTS_DIR = Pathname.new( ENV['CC_BUILD_ARTIFACTS'] || 'artifacts' )

TEXT_FILES    = %w( Rakefile ChangeLog README LICENSE ).collect {|filename| BASEDIR + filename }

LIB_FILES     = Pathname.glob( LIBDIR + '**/*.rb' ).delete_if {|item| item =~ /\.svn/ }

EXT_FILES     = Pathname.glob( EXTDIR + '**/*.{c,h,rb}' ).delete_if {|item| item =~ /\.svn/ }

SPECDIR       = BASEDIR + 'spec'

SPEC_FILES    = Pathname.glob( SPECDIR + '**/*_spec.rb' ).delete_if {|item| item =~ /\.svn/ }

TESTDIR       = BASEDIR + 'tests'

TEST_FILES    = Pathname.glob( TESTDIR + '**/*.tests.rb' ).delete_if {|item| item =~ /\.svn/ }

RAKE_TASKDIR  = BASEDIR + 'rake'

RAKE_TASKLIBS = Pathname.glob( RAKE_TASKDIR + '*.rb' )

LOCAL_RAKEFILE = BASEDIR + 'Rakefile.local'

EXTRA_PKGFILES = []

EXTRA_PKGFILES += Pathname.glob( BASEDIR + 'examples/*.{c,rb}' ).delete_if {|item| item =~ /\.svn/ } 

RELEASE_FILES = TEXT_FILES + 

	SPEC_FILES + 

	TEST_FILES + 

	LIB_FILES + 

	EXT_FILES + 

	RAKE_TASKLIBS +

	EXTRA_PKGFILES

RELEASE_FILES << LOCAL_RAKEFILE if LOCAL_RAKEFILE.exist?

COVERAGE_MINIMUM = ENV['COVERAGE_MINIMUM'] ? Float( ENV['COVERAGE_MINIMUM'] ) : 85.0

RCOV_EXCLUDES = 'spec,tests,/Library/Ruby,/var/lib,/usr/local/lib'

RCOV_OPTS = [

	'--exclude', RCOV_EXCLUDES,

	'--xrefs',

	'--save',

	'--callsites',

	#'--aggregate', 'coverage.data' # <- doesn't work as of 0.8.1.2.0

  ]

# Subversion constants -- directory names for releases and tags

SVN_TRUNK_DIR    = 'trunk'

SVN_RELEASES_DIR = 'releases'

SVN_BRANCHES_DIR = 'branches'

SVN_TAGS_DIR     = 'tags'

SVN_DOTDIR       = BASEDIR + '.svn'

SVN_ENTRIES      = SVN_DOTDIR + 'entries'

### Load some task libraries that need to be loaded early

require RAKE_TASKDIR + 'helpers.rb'

require RAKE_TASKDIR + 'svn.rb'

require RAKE_TASKDIR + 'verifytask.rb'

# Define some constants that depend on the 'svn' tasklib

PKG_BUILD = get_svn_rev( BASEDIR ) || 0

SNAPSHOT_PKG_NAME = "#{PKG_FILE_NAME}.#{PKG_BUILD}"

SNAPSHOT_GEM_NAME = "#{SNAPSHOT_PKG_NAME}.gem"

# Documentation constants

RDOC_OPTIONS = [

	'-w', '4',

	'-SHN',

	'-i', '.',

	'-m', 'README',

	'-W', 'http://deveiate.org/projects/Jparallel//browser/trunk/'

  ]

# Release constants

SMTP_HOST = 'mail.faeriemud.org'

SMTP_PORT = 465 # SMTP + SSL

# Project constants

PROJECT_HOST = 'deveiate.org'

PROJECT_PUBDIR = "/usr/local/www/public/code"

PROJECT_DOCDIR = "#{PROJECT_PUBDIR}/#{PKG_NAME}"

PROJECT_SCPURL = "#{PROJECT_HOST}:#{PROJECT_DOCDIR}"

# Rubyforge stuff

RUBYFORGE_GROUP = 'deveiate'

RUBYFORGE_PROJECT = 'jparallel'

# Gem dependencies: gemname => version

DEPENDENCIES = {

}

# Non-gem requirements: packagename => version

REQUIREMENTS = {

	'FreeBSD' => '>= 7.0',

}

# RubyGem specification

GEMSPEC   = Gem::Specification.new do |gem|

	gem.name              = PKG_NAME.downcase

	gem.version           = PKG_VERSION

	gem.summary           = PKG_SUMMARY

	gem.description       = <<-EOD

	This is shell that can be used to interact with multiple FreeBSD jail instances

	simultaneously. It includes a Ruby binding to the FreeBSD jail(2) functions.

	EOD

	gem.authors           = 'Michae Granger and Mahlon Smith'

	gem.email             = 'ged@FaerieMUD.org, mahlon@martini.nu'

	gem.homepage          = 'http://deveiate.org/projects/Jparallel/'

	gem.rubyforge_project = RUBYFORGE_PROJECT

	gem.has_rdoc          = true

	gem.rdoc_options      = RDOC_OPTIONS

	gem.files             = RELEASE_FILES.

		collect {|f| f.relative_path_from(BASEDIR).to_s }

	gem.test_files        = SPEC_FILES.

		collect {|f| f.relative_path_from(BASEDIR).to_s }

	DEPENDENCIES.each do |name, version|

		version = '>= 0' if version.length.zero?

		gem.add_dependency( name, version )

	end

	REQUIREMENTS.each do |name, version|

		gem.requirements << [ name, version ].compact.join(' ')

	end

end

$trace = Rake.application.options.trace ? true : false

$dryrun = Rake.application.options.dryrun ? true : false

# Load any remaining task libraries

RAKE_TASKLIBS.each do |tasklib|

	next if tasklib =~ %r{/(helpers|svn|verifytask)\.rb$}

	begin

		require tasklib

	rescue ScriptError => err

		fail "Task library '%s' failed to load: %s: %s" %

			[ tasklib, err.class.name, err.message ]

		trace "Backtrace: \n  " + err.backtrace.join( "\n  " )

	rescue => err

		log "Task library '%s' failed to load: %s: %s. Some tasks may not be available." %

			[ tasklib, err.class.name, err.message ]

		trace "Backtrace: \n  " + err.backtrace.join( "\n  " )

	end

end

# Load any project-specific rules defined in 'Rakefile.local' if it exists

import LOCAL_RAKEFILE if LOCAL_RAKEFILE.exist?

#####################################################################

###	T A S K S 	

#####################################################################

### Default task

task :default  => [:clean, :spec, :rdoc, :package]

### Task: clean

CLEAN.include 'coverage'

CLOBBER.include 'artifacts', 'coverage.info', PKGDIR

# Target to hinge on ChangeLog updates

file SVN_ENTRIES

### Task: changelog

file 'ChangeLog' => SVN_ENTRIES.to_s do |task|

	log "Updating #{task.name}"

	changelog = make_svn_changelog()

	File.open( task.name, 'w' ) do |fh|

		fh.print( changelog )

	end

end

### Task: cruise (Cruisecontrol task)

desc "Cruisecontrol build"

task :cruise => [:clean, :spec, :package] do |task|

	raise "Artifacts dir not set." if ARTIFACTS_DIR.to_s.empty?

	artifact_dir = ARTIFACTS_DIR.cleanpath

	artifact_dir.mkpath

	$stderr.puts "Copying coverage stats..."

	FileUtils.cp_r( 'coverage', artifact_dir )

	$stderr.puts "Copying packages..."

	FileUtils.cp_r( FileList['pkg/*'].to_a, artifact_dir )

end

desc "Update the build system to the latest version"

task :update_build do

	log "Updating the build system"

	sh 'svn', 'up', RAKE_TASKDIR

	log "Updating the Rakefile"

	sh 'rake', '-f', RAKE_TASKDIR + 'Metarakefile'

end