# Copyright 2013-2022 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
from spack.directives import extends
from spack.package import PackageBase, run_after
[docs]class RubyPackage(PackageBase):
"""Specialized class for building Ruby gems.
This class provides two phases that can be overridden if required:
#. :py:meth:`~.RubyPackage.build`
#. :py:meth:`~.RubyPackage.install`
"""
maintainers = ['Kerilk']
#: Phases of a Ruby package
phases = ['build', 'install']
#: This attribute is used in UI queries that need to know the build
#: system base class
build_system_class = 'RubyPackage'
extends('ruby')
[docs] def build(self, 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).gem('build', '--norc', gemspecs[0])
elif rakefiles:
jobs = inspect.getmodule(self).make_jobs
inspect.getmodule(self).rake('package', '-j{0}'.format(jobs))
else:
# Some Ruby packages only ship `*.gem` files, so nothing to build
pass
[docs] def install(self, 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).gem(
'install', '--norc', '--ignore-dependencies',
'--install-dir', prefix, gems[0])
# Check that self.prefix is there after installation
run_after('install')(PackageBase.sanity_check_prefix)