# 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 os.path
import shutil
import llnl.util.tty as tty
from llnl.util.filesystem import working_dir
import spack
import spack.config
import spack.paths
import spack.util.git
import spack.util.gpg
from spack.cmd.common import arguments
from spack.util.spack_yaml import syaml_dict
description = "set up spack for our tutorial (WARNING: modifies config!)"
section = "config"
level = "long"
# tutorial configuration parameters
tutorial_branch = "releases/v0.21"
tutorial_mirror = "file:///mirror"
tutorial_key = os.path.join(spack.paths.share_path, "keys", "tutorial.pub")
# configs to remove
rm_configs = [
"~/.spack/linux/compilers.yaml",
"~/.spack/packages.yaml",
"~/.spack/mirrors.yaml",
"~/.spack/modules.yaml",
"~/.spack/config.yaml",
]
[docs]
def setup_parser(subparser):
arguments.add_common_arguments(subparser, ["yes_to_all"])
[docs]
def tutorial(parser, args):
if not spack.cmd.spack_is_git_repo():
tty.die("This command requires a git installation of Spack!")
if not args.yes_to_all:
tty.msg(
"This command will set up Spack for the tutorial at "
"https://spack-tutorial.readthedocs.io.",
"",
)
tty.warn(
"This will modify your Spack configuration by:",
" - deleting some configuration in ~/.spack",
" - adding a mirror and trusting its public key",
" - checking out a particular branch of Spack",
"",
)
if not tty.get_yes_or_no("Are you sure you want to proceed?"):
tty.die("Aborted")
rm_cmds = [f"rm -f {f}" for f in rm_configs]
tty.msg("Reverting compiler and repository configuration", *rm_cmds)
for path in rm_configs:
if os.path.exists(path):
shutil.rmtree(path, ignore_errors=True)
tty.msg(
"Ensuring that the tutorial binary mirror is configured:",
f"spack mirror add tutorial {tutorial_mirror}",
)
mirror_config = syaml_dict()
mirror_config["tutorial"] = tutorial_mirror
spack.config.set("mirrors", mirror_config, scope="user")
tty.msg("Ensuring that we trust tutorial binaries", f"spack gpg trust {tutorial_key}")
spack.util.gpg.trust(tutorial_key)
# Note that checkout MUST be last. It changes Spack under our feet.
# If you don't put this last, you'll get import errors for the code
# that follows (exacerbated by the various lazy singletons we use)
tty.msg(f"Ensuring we're on the {tutorial_branch} branch")
git = spack.util.git.git(required=True)
with working_dir(spack.paths.prefix):
git("checkout", tutorial_branch)
# NO CODE BEYOND HERE