#!/usr/bin/env python
#
# Wrapper to run make and preprocess any paths in the output from MSYS/Cygwin paths
# to Windows paths, for Eclipse
from __future__ import print_function, division
import sys, subprocess, os.path, re

UNIX_PATH_RE = re.compile(r'(/[^ \'"]+)+')

paths = {}
def check_path(path):
    try:
        return paths[path]
    except KeyError:
        pass
    paths[path] = path  # cache as failed, replace with success if it works
    try:
        winpath = subprocess.check_output(["cygpath", "-w", path]).strip()
    except subprocess.CalledProcessError:
        return path  # something went wrong running cygpath, assume this is not a path!
    if not os.path.exists(winpath):
        return path  # not actually a valid path
    winpath = winpath.replace("\\", "/")  # make consistent with forward-slashes used elsewhere
    paths[path] = winpath
    return winpath

def main():
    print("Running make in '%s'" % check_path(os.getcwd()))
    make = subprocess.Popen(["make"] + sys.argv[1:] + ["BATCH_BUILD=1"], stdout=subprocess.PIPE)
    for line in iter(make.stdout.readline, ''):
         line = re.sub(UNIX_PATH_RE, lambda m: check_path(m.group(0)), line)
         print(line.rstrip())
    sys.exit(make.wait())

if __name__ == "__main__":
    main()
