#!/usr/bin/env python
# encoding=utf-8
import subprocess
import os
import sys
import base64
import time
try:
    import argparse
except:
    # HACK(Paulo Márcio): Isso é pra funcionar com python 2.4. Solaris usa esse lixo.
    import urllib2
    import imp
    response = urllib2.urlopen('https://argparse.googlecode.com/hg/argparse.py')
    argparse_code = response.read()
    argparse = imp.new_module('argparse')
    exec argparse_code in argparse.__dict__


def touch(fname):
    for tries in range(1, 3):
        try:
            if sys.hexversion >= 0x03000000:
                with open(fname, 'a') as f:
                    desc = fname
                    if os.utime in os.supports_fd:
                        desc = f.fileno()
                    os.utime(desc)
            else:
                with file(fname, 'a'):
                    os.utime(fname, None)
            break
        except:
            if tries == 3:
                print "Unexpected error:", sys.exc_info()[0]
                raise
            else:
                time.sleep(1)

parser = argparse.ArgumentParser()
parser.add_argument('--root', type=str, required=True)
parser.add_argument('--svn-info', dest='svn_info', type=str, required=True)
opt = parser.parse_args()

valid = False
with open(opt.svn_info, 'r') as f:
    for line in f.readlines():
        if not line:
            continue
        valid = True
        uri, output_dir = line.strip().split(' ')
        output_dir = os.path.abspath(output_dir.replace('$(root)', opt.root))
        svn_proc = subprocess.Popen(['svn', 'export', '--force',
                                     '--trust-server-cert', '--non-interactive',
                                     '--username', 'your.username',
                                     '--password', 'your.password',
                                     '--no-auth-cache', uri, output_dir],
                                    stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        out, err = svn_proc.communicate()
        print out
        print err
        if svn_proc.returncode:
            raise Exception('ERROR: Can\'t export %s to %s!' % [uri, output_dir])
        time.sleep(3)
if not valid:
    raise Exception('ERROR: empty file .svn')

for root, dirs, files in os.walk(opt.root):
    for file_name in files:
        touch(os.path.join(root, file_name))