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# 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 os
import shutil
import llnl.util.tty as tty
import spack.cmd
import spack.cmd.common.arguments as arguments
import spack.util.path
from spack.error import SpackError
description = "add a spec to an environment's dev-build information"
section = "environments"
level = "long"
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"])
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 = spack.util.path.canonicalize_path(path, default_wd=env.path)
if os.path.exists(abspath):
msg = "Skipping developer download of %s" % entry["spec"]
msg += " because its path already exists."
tty.msg(msg)
continue
spec = spack.spec.Spec(entry["spec"])
pkg_cls = spack.repo.path.get_pkg_class(spec.name)
pkg_cls(spec).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 spec.name
path = args.path or spec.name
abspath = spack.util.path.canonicalize_path(path, default_wd=env.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()
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