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# Copyright (C) 2005, 2006, 2008 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Export a Tree to a non-versioned directory.
"""
import os
import sys
import tarfile
import time
from bzrlib import errors, export, osutils
from bzrlib.export import _export_iter_entries
from bzrlib.trace import mutter
def tar_exporter(tree, dest, root, subdir, compression=None):
"""Export this tree to a new tar file.
`dest` will be created holding the contents of this tree; if it
already exists, it will be clobbered, like with "tar -c".
"""
mutter('export version %r', tree)
now = time.time()
compression = str(compression or '')
if dest == '-':
# XXX: If no root is given, the output tarball will contain files
# named '-/foo'; perhaps this is the most reasonable thing.
ball = tarfile.open(None, 'w|' + compression, sys.stdout)
else:
if root is None:
root = export.get_root_name(dest)
ball = tarfile.open(dest, 'w:' + compression)
for dp, ie in _export_iter_entries(tree, subdir):
filename = osutils.pathjoin(root, dp).encode('utf8')
item = tarfile.TarInfo(filename)
item.mtime = now
if ie.kind == "file":
item.type = tarfile.REGTYPE
if tree.is_executable(ie.file_id):
item.mode = 0755
else:
item.mode = 0644
item.size = ie.text_size
fileobj = tree.get_file(ie.file_id)
elif ie.kind == "directory":
item.type = tarfile.DIRTYPE
item.name += '/'
item.size = 0
item.mode = 0755
fileobj = None
elif ie.kind == "symlink":
item.type = tarfile.SYMTYPE
item.size = 0
item.mode = 0755
item.linkname = ie.symlink_target
fileobj = None
else:
raise BzrError("don't know how to export {%s} of kind %r" %
(ie.file_id, ie.kind))
ball.addfile(item, fileobj)
ball.close()
def tgz_exporter(tree, dest, root, subdir):
tar_exporter(tree, dest, root, subdir, compression='gz')
def tbz_exporter(tree, dest, root, subdir):
tar_exporter(tree, dest, root, subdir, compression='bz2')
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