#!/usr/bin/env ruby
a = File.read("./package.yaml")
by_library = a.split(/(\nlibrary: *\n)/, 2)

by_dependencies = by_library[2].split(/((?:^|\n) +dependencies: *\n)/, 2)

dir = by_library[2].split(/((?:^|\n) +source-dirs: +)/, 2)[2].split("\n", 2)[0].strip

by_dependencies[2] = by_dependencies[2].sub (/^(?:\n?( +)- [^\n]+\n)+/) do |m|
	`rg '^import(?: qualified)? "([^"]+)"' --replace='#{$1}- $1' --only-matching --type=haskell --no-filename --no-config --no-line-number --color=never #{dir} | sort -u`
end

a = [by_library[0..1], by_dependencies[0..2]].flatten.join ''
File.write "./package.yaml", a