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# For description and usage, see the argparse options at the end of the file

import argparse
import os
import yaml

def clone(DEST, SYMLINK=False):
    def use_git_to_clone_or_pull_repo():
        # pygit2 is not available for python3 in Leap, use plain git instead

        import subprocess

        if not os.path.exists(DEST):
        if os.path.isdir(FULL_PATH):
            subprocess.Popen(['git', 'pull'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
            subprocess.Popen(['git', 'clone', url, FULL_PATH], stdout=subprocess.PIPE, stderr=subprocess.PIPE)

    def use_pygit2_to_clone_or_pull_repo():
        import pygit2

        if os.path.isdir(FULL_PATH):
            repo = pygit2.Repository(FULL_PATH)
            pygit2.clone_repository(url, FULL_PATH, bare=False)

    for formula, data in FORMULAS.items():
        namespace = data.get('namespace', 'saltstack-formulas')
        prefix = data.get('prefix', '')
        url = '' % (namespace, prefix, formula)
        FULL_PATH = '%s/%s-formula' % (DEST, formula)
        if SYMLINK:
            os.symlink('%s/%s' % (FULL_PATH, formula), '/srv/salt/%s' % formula)

with open('FORMULAS.yaml', 'r') as f:
    FORMULAS = yaml.load(f)

parser = argparse.ArgumentParser(description='Loads the formulas from FORMULAS.yaml and optionally clones them in a specified destination. Optionally it can also create a symlink from the cloned path to /srv/salt, useful for the CI worker.')
parser.add_argument('-c', '--clone', nargs=1, help='Clones the formulas to a specified destination that is passed as option to this argument.')
parser.add_argument('-s', '--symlink', action='store_true', help='Creates symlink from the specified destination to /srv/salt.')
args = parser.parse_args()

if args.clone:
    clone(args.clone[0], args.symlink)