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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
from spack.package import *
class Canfail(Package):
"""Package which fails install unless a special attribute is set"""
homepage = "http://www.example.com"
url = "http://www.example.com/a-1.0.tar.gz"
version("1.0", md5="0123456789abcdef0123456789abcdef")
def set_install_succeed(self):
os.environ["CANFAIL_SUCCEED"] = "1"
def set_install_fail(self):
os.environ.pop("CANFAIL_SUCCEED", None)
@property
def succeed(self):
result = True if "CANFAIL_SUCCEED" in os.environ else False
return result
def install(self, spec, prefix):
if not self.succeed:
raise InstallError("'succeed' was false")
touch(join_path(prefix, "an_installation_file"))
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