extractor = BinpkgExtractorAsync(background=self.background,
env=self.settings.environ(),
+ features=self.settings.features,
image_dir=self._image_dir,
pkg=self.pkg, pkg_path=self._pkg_path,
logfile=self.settings.get("PORTAGE_LOG_FILE"),
-# Copyright 1999-2011 Gentoo Foundation
+# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from _emerge.SpawnProcess import SpawnProcess
import portage
import signal
+import subprocess
class BinpkgExtractorAsync(SpawnProcess):
- __slots__ = ("image_dir", "pkg", "pkg_path")
+ __slots__ = ("features", "image_dir", "pkg", "pkg_path")
_shell_binary = portage.const.BASH_BINARY
def _start(self):
+ tar_options = ""
+ if "xattr" in self.features:
+ process = subprocess.Popen(["tar", "--help"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ output = process.communicate()[0]
+ if b"--xattrs" in output:
+ tar_options = "--xattrs"
+
# Add -q to bzip2 opts, in order to avoid "trailing garbage after
# EOF ignored" warning messages due to xpak trailer.
# SIGPIPE handling (128 + SIGPIPE) should be compatible with
# assert_sigpipe_ok() that's used by the ebuild unpack() helper.
self.args = [self._shell_binary, "-c",
- ("${PORTAGE_BUNZIP2_COMMAND:-${PORTAGE_BZIP2_COMMAND} -d} -cq -- %s | tar -xp -C %s -f - ; " + \
+ ("${PORTAGE_BUNZIP2_COMMAND:-${PORTAGE_BZIP2_COMMAND} -d} -cq -- %s | tar -xp %s -C %s -f - ; " + \
"p=(${PIPESTATUS[@]}) ; " + \
"if [[ ${p[0]} != 0 && ${p[0]} != %d ]] ; then " % (128 + signal.SIGPIPE) + \
"echo bzip2 failed with status ${p[0]} ; exit ${p[0]} ; fi ; " + \
"echo tar failed with status ${p[1]} ; exit ${p[1]} ; fi ; " + \
"exit 0 ;") % \
(portage._shell_quote(self.pkg_path),
+ tar_options,
portage._shell_quote(self.image_dir))]
SpawnProcess._start(self)