Source code for spack.cmd.clone

# 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 llnl.util.tty as tty
from llnl.util.filesystem import mkdirp, working_dir

import spack.paths
from spack.util.executable import ProcessError, which


description = "create a new installation of spack in another prefix"
section = "admin"
level = "long"

[docs]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")
[docs]def get_origin_info(remote): git_dir = os.path.join(spack.paths.prefix, '.git') git = which('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())
[docs]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 = which('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)