import sys
import subprocess
import os
import shutil
import re

old_dll = ""

def copy_dlls(binary):
	print("\nChecking " + binary)
	process = subprocess.run(
		[
			'C:\\msys64\\mingw64\\bin\\ntldd.exe',
			binary,
		],
		stdout=subprocess.PIPE,	stderr=subprocess.STDOUT, shell=False
	)
	output = process.stdout.decode('utf-8', errors='ignore')

	for line in output.splitlines():
		dll = ''
		try:
			dll = re.match(r'(.*) => (.*\.[dD][lL][lL]) \((.*)\)', line).group(2)
		except AttributeError:
			print("  Can't parse line: " + line)
			continue
		paths = ['C:\\msys64\\mingw64\\bin']
		found = False
		for path in paths:
			if dll.startswith(path):
				found = True
		if not found:
			print('  Skipping ' + dll)
			continue
		print('  Copying ' + dll)
		shutil.copy(dll, os.getcwd())
		copy_dlls(os.path.basename(dll))

copy_dlls(sys.argv[1])