mcc-1/pull-head-tracking-subprojects.py at master · CPB9/mcc-1 · GitHub

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

from __future__ import print_function

import io
import os
import sys
import subprocess

tree = '''
               ▄████▄
             ▄███░░░██▄ ▄████▄
            ▄██░░░░░░░░███░░░░██▄
          ▄██░░░░░░░░░██░░░░░░░░█
          ██░░░░░░░░░██░░░░░░░░░█
          █░░░░░░░░░██░░░░░░░░░░█
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          ██░░░░░░░░█░░░░░░░░░░░█
           █░░░░░░░██░░░░░░░░░░░█
            █░░░░░░█░░░░░░░░░░░░█
            ██░░░░░█░░░░░░░░░░░░█
 █        █  ██░░░░█░░░░░░░░░░░█
 █        █   █░░░░█░░░░░░░░░██
  █      █    █░░░░█░░░░░░░███
   █    █   ▄███░░░█░░░░█████
 ▄████████▄ █▒▒██████████▒▒▒███
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█░░█░░░░█░░█▒▒▒▒▒▒██▒▒▒▒▒██▒▒▒▒█▀
██░░████░░░█▒▒▒▒▒███▒▒▒▒███▒▒▒██
 ██░░░░░░███▒▒▒▒████▒▒▒███▒▒▒██
  ▀▀▀▀▀▀▀▀ ██▒▒████▒▒▒███▒▒▒██
            ▀███████████████▀
'''

try:
    import colorama
    has_colorama = True
    colorama.init()
    style = colorama.Style.NORMAL
    if os.name == 'nt':
        style = colorama.Style.BRIGHT
    print(style + colorama.Fore.YELLOW + tree + colorama.Fore.RESET)
except:
    has_colorama = False

if not os.path.exists('subprojects'):
    print('No suprojects dir found')
    sys.exit(1)

wraps = os.listdir('subprojects')

enc = sys.stdout.encoding
if enc is None:
    import locale
    enc = locale.getpreferredencoding()


def print_popen(popen):
    out, err = popen
    if err is not None:
        sys.stdout.write(err.decode(enc))
    if out is not None:
        sys.stdout.write(out.decode(enc))


def print_msg(prefix, msg):
    if has_colorama:
        s = colorama.Style.BRIGHT + '> ' + colorama.Style.NORMAL
        s += colorama.Fore.GREEN + prefix + ' ' + colorama.Style.RESET_ALL
        s += colorama.Style.BRIGHT + msg + '...'
        s += colorama.Style.RESET_ALL
    else:
        s = '> ' + prefix + ' ' + msg + '...'
    print(s)


for name in wraps:
    if not name.endswith('.wrap'):
        continue
    path = os.path.join('subprojects', name)

    if not os.path.exists(path):
        print('Path not found:', path)
        sys.exit(1)
    f = open(path, 'r')
    header = f.readline().strip()
    if header != '[wrap-git]':
        continue
    values = dict()
    for line in f:
        line = line.strip()
        if line == '':
            continue
        (k, v) = line.split('=', 1)
        k = k.strip()
        v = v.strip()
        values[k] = v
    d = values['directory']
    if d is None:
        continue
    rev = values['revision']
    path = os.path.join('subprojects', d)
    out = io.StringIO()
    if not os.path.exists(path):
        print_msg('Cloning', path)
        popen = subprocess.Popen(['git', 'clone', values['url'], values['directory']], cwd='subprojects', stdout=subprocess.PIPE)
        print_popen(popen.communicate())
    else:
        print_msg('Updating', path)
        if rev == 'head':
            popen = subprocess.Popen(['git', 'pull'], cwd=path, stdout=subprocess.PIPE)
            print_popen(popen.communicate())
        else:
            popen = subprocess.Popen(['git', 'rev-parse', 'HEAD'], cwd=path, stdout=subprocess.PIPE)
            out, err = popen.communicate()
            if out.decode(enc).strip() != rev:
                popen = subprocess.Popen(['git', 'fetch'], cwd=path, stdout=subprocess.PIPE)
                print_popen(popen.communicate())
                popen = subprocess.Popen(['git', 'checkout', rev], cwd=path, stdout=subprocess.PIPE)
                print_popen(popen.communicate())
            else:
                print('Already up to date.')