module AnythingGorepo

# File lib/anything-gorepo.rb, line 4
def self.find paths
  # key:   package name
  # value: package full path
  pkgs = {}

  paths.each do |path|
    packages(path).map do |pkg|
      pkgs[pkg.gsub(path + '/', '')] = pkg
    end
  end

  pkgs[_anything_(pkgs.keys)]
end

# File lib/anything-gorepo.rb, line 18
def self.packages(src, stack = [])
  directories(src).reduce([]) do |pkgs, p|
    pkgs << File.join(src, p)

    if directories(File.join(src, p)).empty?
      pkgs
    else
      pkgs + packages(File.join(src, p))
    end
  end
end

# File lib/anything-gorepo.rb, line 32
def self.directories path
  return [] if Dir.glob(File.join(path, "**/*.go")).empty?

  Dir.entries(path).select do |filename|
    File.directory?(File.join(path, filename))
  end.select do |filename|
    !filename.start_with?('.')
  end
end