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import os
from subprocess import check_call, check_output
import spack
from spack import new_path
import spack.tty as tty
description = "Create a new installation of spack in another prefix"
def setup_parser(subparser):
subparser.add_argument('prefix', help="names of prefix where we should install spack")
def get_origin_url():
git_dir = new_path(spack.prefix, '.git')
origin_url = check_output(
['git', '--git-dir=%s' % git_dir, 'config', '--get', 'remote.origin.url'])
return origin_url.strip()
def install_spack(parser, args):
origin_url = get_origin_url()
prefix = args.prefix
tty.msg("Fetching spack from origin: %s" % origin_url)
if os.path.exists(new_path(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 installing spack.",
*files_in_the_way)
tty.msg("Installing:",
"%s/bin/spack" % prefix,
"%s/lib/spack/..." % prefix)
os.chdir(prefix)
check_call(['git', 'init', '--shared', '-q'])
check_call(['git', 'remote', 'add', 'origin', origin_url])
check_call(['git', 'fetch', 'origin', 'master:refs/remotes/origin/master', '-n', '-q'])
check_call(['git', 'reset', '--hard', 'origin/master', '-q'])
tty.msg("Successfully installed spack in %s" % prefix,
"Run %s/bin/spack to use this installation." % prefix)
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