Source code for spack.cmd.develop

# Copyright 2013-2021 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
import shutil

import llnl.util.tty as tty

import spack.cmd
import spack.cmd.common.arguments as arguments
from spack.error import SpackError

description = "add a spec to an environment's dev-build information"
section = "environments"
level = "long"

[docs]def setup_parser(subparser): subparser.add_argument( '-p', '--path', help='Source location of package') clone_group = subparser.add_mutually_exclusive_group() clone_group.add_argument( '--no-clone', action='store_false', dest='clone', default=None, help='Do not clone. The package already exists at the source path') clone_group.add_argument( '--clone', action='store_true', dest='clone', default=None, help='Clone the package even if the path already exists') subparser.add_argument( '-f', '--force', help='Remove any files or directories that block cloning source code') arguments.add_common_arguments(subparser, ['spec'])
[docs]def develop(parser, args): env = spack.cmd.require_active_env(cmd_name='develop') if not args.spec: if args.clone is False: raise SpackError("No spec provided to spack develop command") # download all dev specs for name, entry in env.dev_specs.items(): path = entry.get('path', name) abspath = path if os.path.isabs(path) else os.path.join( env.path, path) if os.path.exists(abspath): msg = "Skipping developer download of %s" % entry['spec'] msg += " because its path already exists." tty.msg(msg) continue stage = spack.spec.Spec(entry['spec']).package.stage stage.steal_source(abspath) if not env.dev_specs: tty.warn("No develop specs to download") return specs = spack.cmd.parse_specs(args.spec) if len(specs) > 1: raise SpackError("spack develop requires at most one named spec") spec = specs[0] if not spec.versions.concrete: raise SpackError("Packages to develop must have a concrete version") # default path is relative path to path = args.path or # get absolute path to check abspath = path if not os.path.isabs(abspath): abspath = os.path.join(env.path, path) # clone default: only if the path doesn't exist clone = args.clone if clone is None: clone = not os.path.exists(abspath) if not clone and not os.path.exists(abspath): raise SpackError("Provided path %s does not exist" % abspath) if clone and os.path.exists(abspath): if args.force: shutil.rmtree(abspath) else: msg = "Path %s already exists and cannot be cloned to." % abspath msg += " Use `spack develop -f` to overwrite." raise SpackError(msg) with env.write_transaction(): changed = env.develop(spec, path, clone) if changed: env.write()