#\-N --debug
run(lambda do |env|
case env['PATH_INFO']
when '/vars'
b = "debug=#{$DEBUG.inspect}\n" \
"lint=#{caller.grep(%r{rack/lint\.rb})[0].split(':')[0]}\n"
end
h = {
'Content-Length' => b.size.to_s,
'Content-Type' => 'text/plain',
}
[ 200, h, [ b ] ]
end)