Rakefile

class Installer
  def symlink(target, link)
    if File.symlink?(link)
      unlink(link)
    elsif File.exist?(link)
      puts "ERROR: File exists: #{link}"
      exit 1
    end
    puts "Symlinking #{link} => #{target}"
    File.symlink(target, link)
  end

  def delete_symlink(link)
    unlink(link) if File.symlink?(link)
  end

  def unlink(link)
    if File.exist?(link)
      descriptor = File.symlink?(link) ? "symlink" : "file"
      puts "Deleting #{descriptor} #{link}"
      File.unlink(link)
    end
  end
end

def pwd; File.dirname(__FILE__); end
def target_path(file)
  File.join(ENV["HOME"], ".#{file}")
end

files = File.new(File.join(pwd, "MANIFEST"), "r").read.split("\n")

desc "Install all dotfiles"
task :install => [:init_submodules, :update_submodules] do
  files.each do |file|
    Installer.new.symlink(File.join(pwd, file), target_path(file))
  end
end

desc "Remove all dotfies"
task :uninstall do
  files.each do |file|
    Installer.new.unlink(target_path(file))
  end
end

desc "Install submodules"
task :init_submodules do
  puts "Installing submodules"
  `git submodule init`
end

desc "Update submodules"
task :update_submodules do
  puts "Updating submodules"
  `git submodule update`
end

desc "Pull in new vim submodules"
task :pull_vim_submodules do
  puts "Pull vim submodules"
  system(%{
    for x in vim/bundle/*; do
      echo $x
      cd $x
      git co master && git pull
      cd ../../..
    done
  })
end