# Copyright 2013-2024 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 spack.cmd
from spack.cmd.common import arguments
description = "change an existing spec in an environment"
section = "environments"
level = "long"
[docs]
def setup_parser(subparser):
subparser.add_argument(
"-l",
"--list-name",
dest="list_name",
default="specs",
help="name of the list to remove specs from",
)
subparser.add_argument(
"--match-spec", dest="match_spec", help="if name is ambiguous, supply a spec to match"
)
subparser.add_argument(
"-a",
"--all",
action="store_true",
help="change all matching specs (allow changing more than one spec)",
)
arguments.add_common_arguments(subparser, ["specs"])
[docs]
def change(parser, args):
env = spack.cmd.require_active_env(cmd_name="change")
with env.write_transaction():
if args.match_spec:
match_spec = spack.spec.Spec(args.match_spec)
else:
match_spec = None
for spec in spack.cmd.parse_specs(args.specs):
env.change_existing_spec(
spec,
list_name=args.list_name,
match_spec=match_spec,
allow_changing_multiple_specs=args.all,
)
env.write()