btrfs-progs: remove obsolete tool bcp
This has been superseded by 'cp --reflink'. Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
parent
848e852884
commit
3feefaf134
159
bcp
159
bcp
|
|
@ -1,159 +0,0 @@
|
|||
#!/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)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue