Collect license files for Carthage and cocoapods.

collect_lisence.rb

#
# ruby collect_lisence.rb > ALL_LISENCE.md
#

cart_licenses = File.readlines("./Cartfile").map { |line|
   line[/.* \".+\/([^\"]+)\".*$/, 1]
}.flat_map { |line|
    path = Dir.glob("./Carthage/Checkouts/#{line}/LICENSE*").first
    if path
#        STDERR.puts "Found: #{line}"
        {:name => line, :path => path}
    else
        STDERR.puts "Not found: #{line}"
        nil
    end
}.compact.map { |cart|
    cart[:body] = File.read(cart[:path])
    cart
}

pod_licenses = Dir.glob("./Pods/**/*-acknowledgements.markdown").reject { |path|
    ## Change here depending on the environment
    path.include?("Tests/") || path.include?("TestHelper/")
}.map { |path|
#    STDERR.puts "Found markdown: #{path}"
    lines = File.readlines(path, rs = "")
    lines.inject([]){ |pods, line|

        if line.start_with?("## ")
#            STDERR.puts "Found pod: #{line}"
            pods.push([])
            pods.last.push(line.chomp)

        elsif line.start_with?("Generated by CocoaPods")
        else
            pods.last&.push(line.chomp)
        end
        pods
    }
}.flat_map { |pods|
  pods.map { |pod|
     name = pod.first[/^## (.+)$/, 1]
     body = pod.drop(1).join("\n")
     {:name => name, :body => body}
  }
}

puts "# Acknowledgements"
puts "This application makes use of the following third party libraries:"
puts ""

puts (cart_licenses + pod_licenses)
.uniq { |l|
    l[:name]
}
.sort {|a, b|
  a[:name] <=> b[:name]
}
.map { |l|
#    STDERR.puts "Output: #{l[:name]}"
    puts ""
    puts "## #{l[:name]}"
    puts ""
    puts l[:body]
}

puts ""
puts "(◍•ᴗ•◍)"
puts ""