require 'patch_server'
require 'fileutils'

DIST_FILE_BASENAME = "patch_server-#{PatchServer::VERSION}"

def tag_match_exp(version)
  if version
    %Q('exact "TAG #{version}"')
  else
    %Q('name "TAG "')
  end
end

task :dist do |t|
  sh "darcs dist -d '#{DIST_FILE_BASENAME}'"
end

task :changelog do |t|
  from_version       = ENV['FROM_VERSION']
  to_version         = ENV['TO_VERSION']
  from_tag_parameter = "--from-match #{tag_match_exp(from_version)}"
  to_tag_parameter   = to_version ? "--to-match #{tag_match_exp(to_version)}" : ""
  sh "darcs changes #{from_tag_parameter} #{to_tag_parameter}"
end