Search hackage from vim

searchHackage.rb

#!/usr/bin/env ruby

_import = $stdin.gets
import = _import.chomp.gsub("import", "").gsub("qualified", "").gsub(/as .*/, "")
cmd = "hoogle -i '#{import}'"
puts cmd
packages = `#{cmd}`
lines = packages.split("\n")

package = lines.find do |line|
  line =~ /.*package.*/
end

if package
  package.gsub!(/.*package /, "")
  `open http://hackage.haskell.org/package/#{package}`
end
puts _import

Add this to your .vimrc:

map <leader>h :.w !searchHackage -<CR>