Rakefile

PWD = ENV['PWD']

def install_in path
  dot_vim_target = File.join path, '.vim'
  vimrc_target = File.join path, '.vimrc'
  dot_vim = File.join PWD, '.vim'
  vimrc = File.join PWD, '.vimrc'

  if File.exists?(dot_vim_target) or File.exists?(vimrc_target)
    puts "#{dot_vim_target} or #{vimrc_target} already exist. 
    Please remove these files before installing."
    exit 1
  end

  puts "Linking files..."
  %x(ln -s #{dot_vim} #{dot_vim_target})
  %x(ln -s #{vimrc} #{vimrc_target})
end

desc "Installs the .vim and .vimrc files"
task :install do
  puts "Where to install? [#{ENV['HOME']}]"
  root = $stdin.gets.chomp 
  root = root.empty? ? ENV['HOME'] : root

  install_in root

  puts "Installing plugins"
  `vim +PluginInstall +qall`
  puts "Done installing plugins"
end

namespace :install do
  desc "Installs using the default paths, with no user input"
  task :no_user_input do
    install_in ENV['HOME']
  end
end

task :default => :install