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# Copyright 2013-2023 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 llnl.util.tty as tty
from llnl.util.filesystem import mkdirp, working_dir
import spack.paths
import spack.util.git
from spack.util.executable import ProcessError
_SPACK_UPSTREAM = "https://github.com/spack/spack"
description = "create a new installation of spack in another prefix"
section = "admin"
level = "long"
def setup_parser(subparser):
subparser.add_argument(
"-r",
"--remote",
action="store",
dest="remote",
help="name of the remote to clone from",
default="origin",
)
subparser.add_argument("prefix", help="name of prefix where we should install spack")
def get_origin_info(remote):
git_dir = os.path.join(spack.paths.prefix, ".git")
git = spack.util.git.git(required=True)
try:
branch = git("symbolic-ref", "--short", "HEAD", output=str)
except ProcessError:
branch = "develop"
tty.warn("No branch found; using default branch: %s" % branch)
if remote == "origin" and branch not in ("master", "develop"):
branch = "develop"
tty.warn("Unknown branch found; using default branch: %s" % branch)
try:
origin_url = git(
"--git-dir=%s" % git_dir, "config", "--get", "remote.%s.url" % remote, output=str
)
except ProcessError:
origin_url = _SPACK_UPSTREAM
tty.warn("No git repository found; using default upstream URL: %s" % origin_url)
return (origin_url.strip(), branch.strip())
def clone(parser, args):
origin_url, branch = get_origin_info(args.remote)
prefix = args.prefix
tty.msg("Fetching spack from '%s': %s" % (args.remote, origin_url))
if os.path.isfile(prefix):
tty.die("There is already a file at %s" % prefix)
mkdirp(prefix)
if os.path.exists(os.path.join(prefix, ".git")):
tty.die("There already seems to be a git repository in %s" % prefix)
files_in_the_way = os.listdir(prefix)
if files_in_the_way:
tty.die(
"There are already files there! Delete these files before boostrapping spack.",
*files_in_the_way,
)
tty.msg("Installing:", "%s/bin/spack" % prefix, "%s/lib/spack/..." % prefix)
with working_dir(prefix):
git = spack.util.git.git(required=True)
git("init", "--shared", "-q")
git("remote", "add", "origin", origin_url)
git("fetch", "origin", "%s:refs/remotes/origin/%s" % (branch, branch), "-n", "-q")
git("reset", "--hard", "origin/%s" % branch, "-q")
git("checkout", "-B", branch, "origin/%s" % branch, "-q")
tty.msg(
"Successfully created a new spack in %s" % prefix,
"Run %s/bin/spack to use this installation." % prefix,
)
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