# -*- coding: utf-8; mode: ruby -*-

task :default do
  puts "Edit #{__FILE__} to add system tasks."
end

desc "Edit sake configuration file"
task :edit do
  system "e #{__FILE__}"
end

namespace :update do
  desc "Update all source trees in this directory."
  task :all

  Dir["*"].sort.each do |dir|
    next unless File.directory?(dir)
    
    if File.directory? File.join(dir, '.git', 'svn')
      method, command = 'git-svn', 'git svn rebase'
    elsif File.directory? File.join(dir, '.git', 'refs', 'remotes')
      method, command = 'git', 'git pull'
    elsif File.directory? File.join(dir, '.svn')
      method, command = 'Subversion', 'svn update'
    elsif File.directory? File.join(dir, 'CVS')
      method, command = 'CVS', 'cvs update'
    elsif File.directory? File.join(dir, '_darcs')
      method, command = 'Darcs', 'darcs pull'
    else
      method, command = nil, nil
    end

    if method
      desc "Update '#{dir}' using #{method}."
      task dir do
        puts
        puts "------------------------------------"
        puts "Updating '#{dir}' using #{method}..."
        Dir.chdir(dir) { system command }
      end
      task :all => dir
    end
  end
end

namespace :externals do
  desc "Compute the metadata for all source trees in this directory."
  task :export do
    Dir["*"].sort.each do |dir|
      next unless File.directory?(dir)

      if File.directory? File.join(dir, '.git', 'svn')
        method = 'git-svn'
        source = Dir.chdir(dir) do
          `git svn info`.grep(/^Repository Root: /)[0].sub(/^Repository Root: /, '').chomp
        end
      elsif File.directory? File.join(dir, '.git', 'refs', 'remotes')
        method = 'git'
        source = Dir.chdir(dir) do
          `git remote show origin`.grep(/^\s*URL: /)[0].sub(/^\s*URL: /, '').chomp
        end
      elsif File.directory? File.join(dir, '.svn')
        method = 'Subversion'
        source = Dir.chdir(dir) do
          `svn info`.grep(/^(Repository Root|Racine du dépôt ): /)[0].sub(/^(Repository Root|Racine du dépôt ): /, '').chomp
        end
      elsif File.directory? File.join(dir, 'CVS')
        method = 'CVS'
        source = IO.read(File.join(dir, 'CVS', 'Root')).chomp
      else
        method, source = nil, nil
      end

      if method
        puts <<"EOD"
-
  directory: #{dir}
  method: #{method}
  source: #{source}
EOD
      end
    end
  end
end