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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 glob
import inspect
import spack.builder
import spack.package_base
from spack.directives import build_system, extends, maintainers
from ._checks import BaseBuilder
class RubyPackage(spack.package_base.PackageBase):
"""Specialized class for building Ruby gems."""
maintainers("Kerilk")
#: This attribute is used in UI queries that need to know the build
#: system base class
build_system_class = "RubyPackage"
#: Legacy buildsystem attribute used to deserialize and install old specs
legacy_buildsystem = "ruby"
build_system("ruby")
extends("ruby", when="build_system=ruby")
@spack.builder.builder("ruby")
class RubyBuilder(BaseBuilder):
"""The Ruby builder provides two phases that can be overridden if required:
#. :py:meth:`~.RubyBuilder.build`
#. :py:meth:`~.RubyBuilder.install`
"""
phases = ("build", "install")
#: Names associated with package methods in the old build-system format
legacy_methods = ()
#: Names associated with package attributes in the old build-system format
legacy_attributes = ()
def build(self, pkg, spec, prefix):
"""Build a Ruby gem."""
# ruby-rake provides both rake.gemspec and Rakefile, but only
# rake.gemspec can be built without an existing rake installation
gemspecs = glob.glob("*.gemspec")
rakefiles = glob.glob("Rakefile")
if gemspecs:
inspect.getmodule(self.pkg).gem("build", "--norc", gemspecs[0])
elif rakefiles:
jobs = inspect.getmodule(self.pkg).make_jobs
inspect.getmodule(self.pkg).rake("package", "-j{0}".format(jobs))
else:
# Some Ruby packages only ship `*.gem` files, so nothing to build
pass
def install(self, pkg, spec, prefix):
"""Install a Ruby gem.
The ruby package sets ``GEM_HOME`` to tell gem where to install to."""
gems = glob.glob("*.gem")
if gems:
# if --install-dir is not used, GEM_PATH is deleted from the
# environement, and Gems required to build native extensions will
# not be found. Those extensions are built during `gem install`.
inspect.getmodule(self.pkg).gem(
"install", "--norc", "--ignore-dependencies", "--install-dir", prefix, gems[0]
)
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