Rakefile

# Rakefile for project management (from chris2) -*-ruby-*-

Project = 'project-template'

require 'rake/rdoctask'
require 'rake/testtask'

desc "Build and test"
task :default => [:build, :test]

desc "Do predistribution stuff"
task :predist => [:chmod, :changelog, :doc]

desc "Build"
task :build do
#ruby "ext/extconf.rb"
#system "make"
end

task :test => :build

desc "Run all the tests"
Rake::TestTask.new do |t|
  t.libs << "tests"
  t.libs << "lib"
  t.test_files = FileList['tests/test_*.rb']
  t.verbose = true
end

desc "Make an archive as .tar.gz"
task :dist => :test do
  system "export DARCS_REPO=#{File.expand_path "."}; " +
         "darcs dist -d #{Project}#{get_darcs_tree_version}"
end

desc "Make binaries executable"
task :chmod do
  Dir["bin/*"].each { |binary| File.chmod(0775, binary) }
end

desc "Generate a ChangeLog"
task :changelog do
  system "darcs changes --repo=#{ENV["DARCS_REPO"] || "."} >ChangeLog"
end

desc "Generate RDoc documentation"
Rake::RDocTask.new(:doc) do |rdoc|
  rdoc.options << '--line-numbers --inline-source'
  rdoc.rdoc_dir = "rdoc"
rdoc.rdoc_files.include("lib/**/*.rb", "lib/*.rb")
end

desc "Clean to distribution pristine"
task :distclean do
#system 'make distclean'
end


# Helper to retrieve the "revision number" of the darcs tree.
def get_darcs_tree_version
  return "" unless File.directory? "_darcs"

  changes = `darcs changes`
  count = 0
  tag = "0.0"
  
  changes.each("\n\n") { |change|
    head, title, desc = change.split("\n", 3)
    
    if title =~ /^ \*/
      # Normal change.
      count += 1
    elsif title =~ /tagged (.*)/
      # Tag. We look for these.
      tag = $1
      break
    else
      warn "Unparsable change: #{change}"
    end
  }

  "-" + tag + "." + count.to_s
end