emerge-gitclone

#!/usr/bin/python

from __future__ import print_function

import os
import shutil
import subprocess
import sys

import portage

synced = False
eroot = portage.settings['EROOT']
for repo in portage.db[eroot]['vartree'].settings.repositories:
	if repo.sync_type != 'git':
		continue

	print(">>> Cloning repository '%s' from '%s'..." % (repo.name, repo.sync_uri))

	if os.path.isdir(repo.location):
		shutil.rmtree(repo.location)
	elif os.path.lexists(repo.location):
		os.unlink(repo.location)

	print('>>> Starting git clone in %s' % repo.location)
	os.umask(0o022)
	subprocess.check_call(['git', 'clone', repo.sync_uri, repo.location])
	print('>>> Git clone in %s successful' % repo.location)
	synced = True

if synced:
	# Perform normal post-sync tasks
	configroot = portage.settings['PORTAGE_CONFIGROOT']
	post_sync = '%s/etc/portage/bin/post_sync' % configroot
	if os.path.exists(post_sync):
		subprocess.check_call([post_sync])
	subprocess.check_call(['emerge', '--check-news', '--quiet'])
else:
	sys.stderr.write('>>> No git repositories configured.\n')
	sys.exit(1)