import os


def envvar(name, default):
    """Create callable environment variable getter

    :param str name: Name of environment variable
    :param default: Default value to return in case it isn't defined
    """
    return lambda: os.environ.get(name, default)


def flag_ennvar(name):
    return os.environ.get(name) == '1'

@@ -1,8 +1,53 @@
+%22%22%22Extensions for use with click options%22%22%22%0A%0A
 import o

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