Rakefile

require 'rake'
require 'erb'

desc "install the dot files into user's home directory"
task :install do
  set_macvim_defaults
  replace_all = false
  Dir['*'].each do |file|
    next if %w[Rakefile README.rdoc LICENSE].include? file
    
    if File.exist?(File.join(ENV['HOME'], ".#{file.sub('.erb', '')}"))
      if File.identical? file, File.join(ENV['HOME'], ".#{file.sub('.erb', '')}")
        puts "identical ~/.#{file.sub('.erb', '')}"
      elsif replace_all
        replace_file(file)
      else
        print "overwrite ~/.#{file.sub('.erb', '')}? [ynaq] "
        case $stdin.gets.chomp
        when 'a'
          replace_all = true
          replace_file(file)
        when 'y'
          replace_file(file)
        when 'q'
          exit
        else
          puts "skipping ~/.#{file.sub('.erb', '')}"
        end
      end
    else
      link_file(file)
    end
  end
end

def replace_file(file)
  system %Q{rm "$HOME/.#{file.sub('.erb', '')}"}
  link_file(file)
end

def link_file(file)
  if file =~ /.erb$/
    puts "generating ~/.#{file.sub('.erb', '')}"
    File.open(File.join(ENV['HOME'], ".#{file.sub('.erb', '')}"), 'w') do |new_file|
      new_file.write ERB.new(File.read(file)).result(binding)
    end
  else
    puts "linking ~/.#{file}"
    system %Q{ln -s "$PWD/#{file}" "$HOME/.#{file}"}
  end
end

# Set the MacVIM window borders to look like the Terminal.app ones.
#
# To restore defaults, use:
#     defaults delete org.vim.MacVim
def set_macvim_defaults
  system "defaults write org.vim.MacVim MMTextInsetTop 2"
  system "defaults write org.vim.MacVim MMTextInsetBottom 5"
  system "defaults write org.vim.MacVim MMTextInsetLeft 5"
  system "defaults write org.vim.MacVim MMTextInsetRight 5"
  system "defaults write org.vim.MacVim MMTabOptimumWidth 200"
end