def set_opts(opts)
opts.banner = "Usage: \#{@name.downcase} [options] [INPUT] [OUTPUT]\n\nDescription:\n Uses the \#{@name} engine to parse the specified template\n and outputs the result to the specified file.\n\nOptions:\n"
opts.on('--rails RAILS_DIR', "Install Haml and Sass from the Gem to a Rails project") do |dir|
original_dir = dir
env = File.join(dir, "config", "environment.rb")
if File.exists?(File.join(dir, "Gemfile"))
puts("haml --rails isn't needed for Rails 3 or greater.",
"Add 'gem \"haml\"' to your Gemfile instead.", "",
"haml --rails will no longer work in the next version of #{@name}.", "")
elsif File.exists?(env) && File.open(env) {|env| env.grep(/config\.gem/)}
puts("haml --rails isn't needed for Rails 2.1 or greater.",
"Add 'config.gem \"haml\"' to config/environment.rb instead.", "",
"haml --rails will no longer work in the next version of #{@name}.", "")
end
dir = File.join(dir, 'vendor', 'plugins')
unless File.exists?(dir)
puts "Directory #{dir} doesn't exist"
exit 1
end
dir = File.join(dir, 'haml')
if File.exists?(dir)
print "Directory #{dir} already exists, overwrite [y/N]? "
exit 2 if gets !~ /y/i
FileUtils.rm_rf(dir)
end
begin
Dir.mkdir(dir)
rescue SystemCallError
puts "Cannot create #{dir}"
exit 1
end
File.open(File.join(dir, 'init.rb'), 'w') do |file|
file << File.read(File.dirname(__FILE__) + "/../../init.rb")
end
puts "Haml plugin added to #{original_dir}"
exit
end
opts.on('-c', '--check', "Just check syntax, don't evaluate.") do
require 'stringio'
@options[:check_syntax] = true
@options[:output] = StringIO.new
end
super
end