1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
|
#!/usr/bin/env python
# Copyright (C) 2007 Oracle. All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public
# License v2 as published by the Free Software Foundation.
#
# 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 021110-1307, USA.
#
import sys, os, stat, fcntl
from optparse import OptionParser
def copylink(srcname, dst, filename, statinfo, force_name):
dstname = os.path.join(dst, force_name or filename)
if not os.path.exists(dstname):
link_target = os.readlink(srcname)
os.symlink(link_target, dstname)
def copydev(srcname, dst, filename, statinfo, force_name):
devbits = statinfo.st_mode & (stat.S_IFBLK | stat.S_IFCHR)
mode = stat.S_IMODE(statinfo.st_mode) | devbits
dstname = os.path.join(dst, force_name or filename)
if not os.path.exists(dstname):
os.mknod(dstname, mode, statinfo.st_rdev)
def copyfile(srcname, dst, filename, statinfo, force_name):
written = 0
dstname = os.path.join(dst, force_name or filename)
st_mode = statinfo.st_mode
if stat.S_ISLNK(st_mode):
copylink(srcname, dst, part, statinfo, None)
return
elif stat.S_ISBLK(st_mode) or stat.S_ISCHR(st_mode):
copydev(srcname, dst, part, statinfo, None)
return
elif not stat.S_ISREG(st_mode):
return
try:
os.unlink(dstname)
except:
pass
if options.link:
os.link(srcname, dstname)
return
dstf = file(dstname, 'w')
srcf = file(srcname, 'r')
ret = 1
try:
if not options.copy:
ret = fcntl.ioctl(dstf.fileno(), 1074041865, srcf.fileno())
except:
pass
if ret != 0:
while True:
buf = srcf.read(256 * 1024)
if not buf:
break
written += len(buf)
dstf.write(buf)
os.chmod(dstname, stat.S_IMODE(statinfo.st_mode))
os.chown(dstname, statinfo.st_uid, statinfo.st_gid)
usage = "usage: %prog [options]"
parser = OptionParser(usage=usage)
parser.add_option("-l", "--link", help="Create hard links", default=False,
action="store_true")
parser.add_option("-c", "--copy", help="Copy file bytes (don't cow)",
default=False, action="store_true")
(options,args) = parser.parse_args()
if len(args) < 2:
sys.stderr.write("source or destination not specified\n")
sys.exit(1)
if options.link and options.copy:
sys.stderr.write("Both -l and -c specified, using copy mode\n")
options.link = False
total_args = len(args)
src_args = total_args - 1
orig_dst = args[-1]
if src_args > 1:
if not os.path.exists(orig_dst):
os.makedirs(orig_dst)
if not os.path.isdir(orig_dst):
sys.stderr.write("Destination %s is not a directory\n" % orig_dst)
exit(1)
for srci in xrange(0, src_args):
src = args[srci]
if os.path.isfile(src):
statinfo = os.lstat(src)
force_name = None
if src_args == 1:
if not os.path.isdir(orig_dst):
force_name = os.path.basename(orig_dst)
orig_dst = os.path.dirname(orig_dst) or '.'
copyfile(src, orig_dst, os.path.basename(src), statinfo, force_name)
continue
if src_args > 1 or os.path.exists(orig_dst):
dst = os.path.join(orig_dst, os.path.basename(src))
else:
dst = orig_dst
if not os.path.exists(dst):
os.makedirs(dst)
statinfo = os.stat(src)
os.chmod(dst, stat.S_IMODE(statinfo.st_mode))
os.chown(dst, statinfo.st_uid, statinfo.st_gid)
iter = os.walk(src, topdown=True)
for (dirpath, dirnames, filenames) in iter:
for x in dirnames:
srcname = os.path.join(dirpath, x)
statinfo = os.lstat(srcname)
part = os.path.relpath(srcname, src)
if stat.S_ISLNK(statinfo.st_mode):
copylink(srcname, dst, part, statinfo, None)
continue
dst_dir = os.path.join(dst, part)
if not os.path.exists(dst_dir):
os.makedirs(dst_dir)
os.chmod(dst_dir, stat.S_IMODE(statinfo.st_mode))
os.chown(dst_dir, statinfo.st_uid, statinfo.st_gid)
for f in filenames:
srcname = os.path.join(dirpath, f)
part = os.path.relpath(srcname, src)
statinfo = os.lstat(srcname)
copyfile(srcname, dst, part, statinfo, None)
|