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# Some things resolved about the execution site,
# so we dont have to repeat this everywhere
#
import os
import subprocess
import sys
import platform
from buildstream import _site, utils, ProgramNotFoundError
from buildstream._platform import Platform
try:
BZR = utils.get_host_tool('bzr')
HAVE_BZR = True
except ProgramNotFoundError:
HAVE_BZR = False
try:
GIT = utils.get_host_tool('git')
HAVE_GIT = True
out = str(subprocess.check_output(['git', '--version']), "utf-8")
version = tuple(int(x) for x in out.split(' ')[2].split('.'))
HAVE_OLD_GIT = version < (1, 8, 5)
except ProgramNotFoundError:
HAVE_GIT = False
HAVE_OLD_GIT = False
try:
OSTREE_CLI = utils.get_host_tool('ostree')
HAVE_OSTREE_CLI = True
except ProgramNotFoundError:
HAVE_OSTREE_CLI = False
try:
from buildstream import _ostree # pylint: disable=unused-import
HAVE_OSTREE = True
except (ImportError, ValueError):
HAVE_OSTREE = False
try:
utils.get_host_tool('bwrap')
HAVE_BWRAP = True
HAVE_BWRAP_JSON_STATUS = _site.get_bwrap_version() >= (0, 3, 2)
except ProgramNotFoundError:
HAVE_BWRAP = False
HAVE_BWRAP_JSON_STATUS = False
try:
utils.get_host_tool('lzip')
HAVE_LZIP = True
except ProgramNotFoundError:
HAVE_LZIP = False
try:
import arpy # pylint: disable=unused-import
HAVE_ARPY = True
except ImportError:
HAVE_ARPY = False
IS_LINUX = os.getenv('BST_FORCE_BACKEND', sys.platform).startswith('linux')
IS_WSL = (IS_LINUX and 'Microsoft' in platform.uname().release)
IS_WINDOWS = (os.name == 'nt')
if not IS_LINUX:
HAVE_SANDBOX = True # fallback to a chroot sandbox on unix
elif IS_WSL:
HAVE_SANDBOX = False # Sandboxes are inoperable under WSL due to lack of FUSE
elif IS_LINUX and HAVE_BWRAP:
HAVE_SANDBOX = True
else:
HAVE_SANDBOX = False
MACHINE_ARCH = Platform.get_host_arch()
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