def copy_all(self):
"""Core copy process. This is the most important step of this
stage. It clones live filesystem into a local partition in the
selected hard disk."""
self.db.progress('START', 0, 100, 'ubiquity/install/title')
self.db.progress('INFO', 'ubiquity/install/copying')
fs_size = os.path.join(self.casper_path, 'filesystem.size')
if os.path.exists(fs_size):
with open(fs_size) as total_size_fp:
total_size = int(total_size_fp.readline())
else:
# Fallback in case an Ubuntu derivative forgets to put
# /casper/filesystem.size on the CD, or to account for things
# like CD->USB transformation tools that don't copy this file.
# This is slower than just reading the size from a file, but
# better than crashing.
#
# Obviously doing os.walk() twice is inefficient, but I'd rather
# not suck the list into ubiquity's memory, and I'm guessing
# that the kernel's dentry cache will avoid most of the slowness
# anyway.
total_size = 0
for dirpath, dirnames, filenames in os.walk(self.source):
for name in dirnames + filenames:
fqpath = os.path.join(dirpath, name)
total_size += os.lstat(fqpath).st_size
# Progress bar handling:
# We sample progress every half-second (assuming time.time() gives
# us sufficiently good granularity) and use the average of progress
# over the last minute or so to decide how much time remains. We
# don't bother displaying any progress for the first ten seconds in
# order to allow things to settle down, and we only update the "time
# remaining" indicator at most every two seconds after that.
copy_progress = 0
copied_size = 0
directory_times = []
time_start = time.time()
times = [(time_start, copied_size)]
long_enough = False
time_last_update = time_start
debug = 'UBIQUITY_DEBUG' in os.environ
if self.db.get('ubiquity/install/md5_check') == 'false':
md5_check = False
else:
md5_check = True
# Increase kernel flush times during bulk data copying to make it
# more likely that small files are packed contiguously, which should
# speed up initial boot times.
dirty_writeback_centisecs = None
dirty_expire_centisecs = None
if os.path.exists('/proc/sys/vm/dirty_writeback_centisecs'):
with open('/proc/sys/vm/dirty_writeback_centisecs') as dwc:
dirty_writeback_centisecs = int(dwc.readline())
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print('3000\n', file=dwc)
if os.path.exists('/proc/sys/vm/dirty_expire_centisecs'):
with open('/proc/sys/vm/dirty_expire_centisecs') as dec:
dirty_expire_centisecs = int(dec.readline())
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print('6000\n', file=dec)
old_umask = os.umask(0)
for dirpath, dirnames, filenames in os.walk(self.source):
sp = dirpath[len(self.source) + 1:]
for name in dirnames + filenames:
relpath = os.path.join(sp, name)
# /etc/fstab was legitimately created by partman, and
# shouldn't be copied again. Similarly, /etc/crypttab may
# have been legitimately created by the user-setup plugin.
if relpath in ("etc/fstab", "etc/crypttab"):
continue
sourcepath = os.path.join(self.source, relpath)
targetpath = os.path.join(self.target, relpath)
st = os.lstat(sourcepath)
# Is the path blacklisted?
if (not stat.S_ISDIR(st.st_mode)
and '/%s' % relpath in self.blacklist):
if debug:
syslog.syslog('Not copying %s' % relpath)
continue
# Remove the target if necessary and if we can.
install_misc.remove_target(self.source, self.target, relpath,
st)
# Now actually copy source to target.
mode = stat.S_IMODE(st.st_mode)
if stat.S_ISLNK(st.st_mode):
linkto = os.readlink(sourcepath)
os.symlink(linkto, targetpath)
elif stat.S_ISDIR(st.st_mode):
if not os.path.isdir(targetpath):
try:
os.mkdir(targetpath, mode)
except OSError as e:
# there is a small window where update-apt-cache
# can race with us since it creates
# "/target/var/cache/apt/...". Hence, ignore
# failure if the directory does now exist where
# brief moments before it didn't.
if e.errno != errno.EEXIST:
raise
elif stat.S_ISCHR(st.st_mode):
os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
elif stat.S_ISBLK(st.st_mode):
os.mknod(targetpath, stat.S_IFBLK | mode, st.st_rdev)
elif stat.S_ISFIFO(st.st_mode):
os.mknod(targetpath, stat.S_IFIFO | mode)
elif stat.S_ISSOCK(st.st_mode):
os.mknod(targetpath, stat.S_IFSOCK | mode)
elif stat.S_ISREG(st.st_mode):
install_misc.copy_file(self.db, sourcepath, targetpath,
md5_check)
# Copy metadata.
copied_size += st.st_size
os.lchown(targetpath, st.st_uid, st.st_gid)
if not stat.S_ISLNK(st.st_mode):
os.chmod(targetpath, mode)
if stat.S_ISDIR(st.st_mode):
directory_times.append(
(targetpath, st.st_atime, st.st_mtime))
# os.utime() sets timestamp of target, not link
elif not stat.S_ISLNK(st.st_mode):
try:
os.utime(targetpath, (st.st_atime, st.st_mtime))
except Exception:
# We can live with timestamps being wrong.
pass
if (hasattr(os, "listxattr")
and hasattr(os, "supports_follow_symlinks")
and os.supports_follow_symlinks):
try:
attrnames = os.listxattr(sourcepath,
follow_symlinks=False)
for attrname in attrnames:
attrvalue = os.getxattr(sourcepath,
attrname,
follow_symlinks=False)
os.setxattr(targetpath,
attrname,
attrvalue,
follow_symlinks=False)
except OSError as e:
if e.errno not in (errno.EPERM, errno.ENOTSUP,
errno.ENODATA):
raise
if int((copied_size * 90) / total_size) != copy_progress:
copy_progress = int((copied_size * 90) / total_size)
self.db.progress('SET', 10 + copy_progress)
time_now = time.time()
if (time_now - times[-1][0]) >= 0.5:
times.append((time_now, copied_size))
if not long_enough and time_now - times[0][0] >= 10:
long_enough = True
if long_enough and time_now - time_last_update >= 2:
time_last_update = time_now
while (time_now - times[0][0] > 60
and time_now - times[1][0] >= 60):
times.pop(0)
speed = ((times[-1][1] - times[0][1]) /
(times[-1][0] - times[0][0]))
if speed != 0:
time_remaining = (int(
(total_size - copied_size) / speed))
if time_remaining < 60:
self.db.progress(
'INFO', 'ubiquity/install/copying_minute')
# Apply timestamps to all directories now that the items within them
# have been copied.
for dirtime in directory_times:
(directory, atime, mtime) = dirtime
try:
os.utime(directory, (atime, mtime))
except Exception:
# I have no idea why I've been getting lots of bug reports
# about this failing, but I really don't care. Ignore it.
pass
# Revert to previous kernel flush times.
if dirty_writeback_centisecs is not None:
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print(dirty_writeback_centisecs, file=dwc)
if dirty_expire_centisecs is not None:
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print(dirty_expire_centisecs, file=dec)
# Try some possible locations for the kernel we used to boot. This
# lets us save a couple of megabytes of CD space.
bootdir = self.target_file('boot')
kernel = self.find_cd_kernel()
if kernel:
prefix = os.path.basename(kernel).split('-', 1)[0]
release = os.uname()[2]
target_kernel = os.path.join(bootdir, '%s-%s' % (prefix, release))
copies = []
# ISO9660 images may have to use .efi rather than .efi.signed in
# order to support being booted using isolinux, which must abide
# by archaic 8.3 restrictions.
for suffix in (".efi", ".efi.signed"):
if os.path.exists(kernel + suffix):
signed_kernel = kernel + suffix
break
else:
signed_kernel = None
if os.path.exists(kernel):
copies.append((kernel, target_kernel))
elif signed_kernel is not None:
# No unsigned kernel. We'll construct it using sbsigntool.
copies.append((signed_kernel, target_kernel))
if signed_kernel is not None:
copies.append((signed_kernel, "%s.efi.signed" % target_kernel))
for source, target in copies:
osextras.unlink_force(target)
install_misc.copy_file(self.db, source, target, md5_check)
os.lchown(target, 0, 0)
os.chmod(target, 0o644)
st = os.lstat(source)
try:
os.utime(target, (st.st_atime, st.st_mtime))
except Exception:
# We can live with timestamps being wrong.
pass
if not os.path.exists(kernel) and signed_kernel is not None:
# Construct the unsigned kernel.
subprocess.check_call(["sbattach", "--remove", target_kernel])
os.umask(old_umask)
self.db.progress('SET', 100)
self.db.progress('STOP')
def copy_all(self):
"""Core copy process. This is the most important step of this
stage. It clones live filesystem into a local partition in the
selected hard disk."""
self.db.progress('START', 0, 100, 'ubiquity/install/title')
self.db.progress('INFO', 'ubiquity/install/copying')
fs_size = os.path.join(self.casper_path, 'filesystem.size')
if os.path.exists(fs_size):
with open(fs_size) as total_size_fp:
total_size = int(total_size_fp.readline())
else:
# Fallback in case an Linux Mint derivative forgets to put
# /casper/filesystem.size on the CD, or to account for things
# like CD->USB transformation tools that don't copy this file.
# This is slower than just reading the size from a file, but
# better than crashing.
#
# Obviously doing os.walk() twice is inefficient, but I'd rather
# not suck the list into ubiquity's memory, and I'm guessing
# that the kernel's dentry cache will avoid most of the slowness
# anyway.
total_size = 0
for dirpath, dirnames, filenames in os.walk(self.source):
for name in dirnames + filenames:
fqpath = os.path.join(dirpath, name)
total_size += os.lstat(fqpath).st_size
# Progress bar handling:
# We sample progress every half-second (assuming time.time() gives
# us sufficiently good granularity) and use the average of progress
# over the last minute or so to decide how much time remains. We
# don't bother displaying any progress for the first ten seconds in
# order to allow things to settle down, and we only update the "time
# remaining" indicator at most every two seconds after that.
copy_progress = 0
copied_size = 0
directory_times = []
time_start = time.time()
times = [(time_start, copied_size)]
long_enough = False
time_last_update = time_start
debug = 'UBIQUITY_DEBUG' in os.environ
if self.db.get('ubiquity/install/md5_check') == 'false':
md5_check = False
else:
md5_check = True
# Increase kernel flush times during bulk data copying to make it
# more likely that small files are packed contiguously, which should
# speed up initial boot times.
dirty_writeback_centisecs = None
dirty_expire_centisecs = None
if os.path.exists('/proc/sys/vm/dirty_writeback_centisecs'):
with open('/proc/sys/vm/dirty_writeback_centisecs') as dwc:
dirty_writeback_centisecs = int(dwc.readline())
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print('3000\n', file=dwc)
if os.path.exists('/proc/sys/vm/dirty_expire_centisecs'):
with open('/proc/sys/vm/dirty_expire_centisecs') as dec:
dirty_expire_centisecs = int(dec.readline())
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print('6000\n', file=dec)
old_umask = os.umask(0)
for dirpath, dirnames, filenames in os.walk(self.source):
sp = dirpath[len(self.source) + 1:]
for name in dirnames + filenames:
relpath = os.path.join(sp, name)
# /etc/fstab was legitimately created by partman, and
# shouldn't be copied again. Similarly, /etc/crypttab may
# have been legitimately created by the user-setup plugin.
if relpath in ("etc/fstab", "etc/crypttab"):
continue
sourcepath = os.path.join(self.source, relpath)
targetpath = os.path.join(self.target, relpath)
st = os.lstat(sourcepath)
# Is the path blacklisted?
if (not stat.S_ISDIR(st.st_mode) and
'/%s' % relpath in self.blacklist):
if debug:
syslog.syslog('Not copying %s' % relpath)
continue
# Remove the target if necessary and if we can.
install_misc.remove_target(
self.source, self.target, relpath, st)
# Now actually copy source to target.
mode = stat.S_IMODE(st.st_mode)
if stat.S_ISLNK(st.st_mode):
linkto = os.readlink(sourcepath)
os.symlink(linkto, targetpath)
elif stat.S_ISDIR(st.st_mode):
if not os.path.isdir(targetpath):
try:
os.mkdir(targetpath, mode)
except OSError as e:
# there is a small window where update-apt-cache
# can race with us since it creates
# "/target/var/cache/apt/...". Hence, ignore
# failure if the directory does now exist where
# brief moments before it didn't.
if e.errno != errno.EEXIST:
raise
elif stat.S_ISCHR(st.st_mode):
os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
elif stat.S_ISBLK(st.st_mode):
os.mknod(targetpath, stat.S_IFBLK | mode, st.st_rdev)
elif stat.S_ISFIFO(st.st_mode):
os.mknod(targetpath, stat.S_IFIFO | mode)
elif stat.S_ISSOCK(st.st_mode):
os.mknod(targetpath, stat.S_IFSOCK | mode)
elif stat.S_ISREG(st.st_mode):
install_misc.copy_file(
self.db, sourcepath, targetpath, md5_check)
# Copy metadata.
copied_size += st.st_size
os.lchown(targetpath, st.st_uid, st.st_gid)
if not stat.S_ISLNK(st.st_mode):
os.chmod(targetpath, mode)
if stat.S_ISDIR(st.st_mode):
directory_times.append(
(targetpath, st.st_atime, st.st_mtime))
# os.utime() sets timestamp of target, not link
elif not stat.S_ISLNK(st.st_mode):
try:
os.utime(targetpath, (st.st_atime, st.st_mtime))
except Exception:
# We can live with timestamps being wrong.
pass
if (hasattr(os, "listxattr") and
hasattr(os, "supports_follow_symlinks") and
os.supports_follow_symlinks):
try:
attrnames = os.listxattr(
sourcepath, follow_symlinks=False)
for attrname in attrnames:
attrvalue = os.getxattr(
sourcepath, attrname, follow_symlinks=False)
os.setxattr(
targetpath, attrname, attrvalue,
follow_symlinks=False)
except OSError as e:
if e.errno not in (
errno.EPERM, errno.ENOTSUP, errno.ENODATA):
raise
if int((copied_size * 90) / total_size) != copy_progress:
copy_progress = int((copied_size * 90) / total_size)
self.db.progress('SET', 10 + copy_progress)
time_now = time.time()
if (time_now - times[-1][0]) >= 0.5:
times.append((time_now, copied_size))
if not long_enough and time_now - times[0][0] >= 10:
long_enough = True
if long_enough and time_now - time_last_update >= 2:
time_last_update = time_now
while (time_now - times[0][0] > 60 and
time_now - times[1][0] >= 60):
times.pop(0)
speed = ((times[-1][1] - times[0][1]) /
(times[-1][0] - times[0][0]))
if speed != 0:
time_remaining = (
int((total_size - copied_size) / speed))
if time_remaining < 60:
self.db.progress(
'INFO', 'ubiquity/install/copying_minute')
# Apply timestamps to all directories now that the items within them
# have been copied.
for dirtime in directory_times:
(directory, atime, mtime) = dirtime
try:
os.utime(directory, (atime, mtime))
except Exception:
# I have no idea why I've been getting lots of bug reports
# about this failing, but I really don't care. Ignore it.
pass
# Revert to previous kernel flush times.
if dirty_writeback_centisecs is not None:
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print(dirty_writeback_centisecs, file=dwc)
if dirty_expire_centisecs is not None:
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print(dirty_expire_centisecs, file=dec)
# Try some possible locations for the kernel we used to boot. This
# lets us save a couple of megabytes of CD space.
bootdir = self.target_file('boot')
kernel = self.find_cd_kernel()
if kernel:
prefix = os.path.basename(kernel).split('-', 1)[0]
release = os.uname()[2]
target_kernel = os.path.join(bootdir, '%s-%s' % (prefix, release))
copies = []
# ISO9660 images may have to use .efi rather than .efi.signed in
# order to support being booted using isolinux, which must abide
# by archaic 8.3 restrictions.
for suffix in (".efi", ".efi.signed"):
if os.path.exists(kernel + suffix):
signed_kernel = kernel + suffix
break
else:
signed_kernel = None
if os.path.exists(kernel):
copies.append((kernel, target_kernel))
elif signed_kernel is not None:
# No unsigned kernel. We'll construct it using sbsigntool.
copies.append((signed_kernel, target_kernel))
if signed_kernel is not None:
copies.append((signed_kernel, "%s.efi.signed" % target_kernel))
for source, target in copies:
osextras.unlink_force(target)
install_misc.copy_file(self.db, source, target, md5_check)
os.lchown(target, 0, 0)
os.chmod(target, 0o644)
st = os.lstat(source)
try:
os.utime(target, (st.st_atime, st.st_mtime))
except Exception:
# We can live with timestamps being wrong.
pass
if not os.path.exists(kernel) and signed_kernel is not None:
# Construct the unsigned kernel.
subprocess.check_call(["sbattach", "--remove", target_kernel])
os.umask(old_umask)
self.db.progress('SET', 100)
self.db.progress('STOP')
def copy_all(self):
"""Core copy process. This is the most important step of this
stage. It clones live filesystem into a local partition in the
selected hard disk."""
self.db.progress('START', 0, 100, 'ubiquity/install/title')
self.db.progress('INFO', 'ubiquity/install/copying')
fs_size = os.path.join(self.casper_path, 'filesystem.size')
assert os.path.exists(fs_size), "Missing filesystem.size."
with open(fs_size) as total_size_fp:
total_size = int(total_size_fp.readline())
# Progress bar handling:
# We sample progress every half-second (assuming time.time() gives
# us sufficiently good granularity) and use the average of progress
# over the last minute or so to decide how much time remains. We
# don't bother displaying any progress for the first ten seconds in
# order to allow things to settle down, and we only update the "time
# remaining" indicator at most every two seconds after that.
copy_progress = 0
copied_size, counter = 0, 0
directory_times = []
time_start = time.time()
times = [(time_start, copied_size)]
long_enough = False
time_last_update = time_start
debug = 'UBIQUITY_DEBUG' in os.environ
if self.db.get('ubiquity/install/md5_check') == 'false':
md5_check = False
else:
md5_check = True
# Increase kernel flush times during bulk data copying to make it
# more likely that small files are packed contiguously, which should
# speed up initial boot times.
dirty_writeback_centisecs = None
dirty_expire_centisecs = None
if os.path.exists('/proc/sys/vm/dirty_writeback_centisecs'):
with open('/proc/sys/vm/dirty_writeback_centisecs') as dwc:
dirty_writeback_centisecs = int(dwc.readline())
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print >>dwc, '3000\n'
if os.path.exists('/proc/sys/vm/dirty_expire_centisecs'):
with open('/proc/sys/vm/dirty_expire_centisecs') as dec:
dirty_expire_centisecs = int(dec.readline())
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print >>dec, '6000\n'
old_umask = os.umask(0)
for dirpath, dirnames, filenames in os.walk(self.source):
sp = dirpath[len(self.source) + 1:]
for name in dirnames + filenames:
relpath = os.path.join(sp, name)
# /etc/fstab was legitimately created by partman, and
# shouldn't be copied again.
if relpath == "etc/fstab":
continue
sourcepath = os.path.join(self.source, relpath)
targetpath = os.path.join(self.target, relpath)
st = os.lstat(sourcepath)
mode = stat.S_IMODE(st.st_mode)
if stat.S_ISLNK(st.st_mode):
if os.path.lexists(targetpath):
os.unlink(targetpath)
linkto = os.readlink(sourcepath)
os.symlink(linkto, targetpath)
elif stat.S_ISDIR(st.st_mode):
if not os.path.isdir(targetpath):
os.mkdir(targetpath, mode)
elif stat.S_ISCHR(st.st_mode):
os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
elif stat.S_ISBLK(st.st_mode):
os.mknod(targetpath, stat.S_IFBLK | mode, st.st_rdev)
elif stat.S_ISFIFO(st.st_mode):
os.mknod(targetpath, stat.S_IFIFO | mode)
elif stat.S_ISSOCK(st.st_mode):
os.mknod(targetpath, stat.S_IFSOCK | mode)
elif stat.S_ISREG(st.st_mode):
if '/%s' % relpath in self.blacklist:
if debug:
syslog.syslog('Not copying %s' % relpath)
continue
osextras.unlink_force(targetpath)
install_misc.copy_file(self.db, sourcepath, targetpath, md5_check)
copied_size += st.st_size
os.lchown(targetpath, st.st_uid, st.st_gid)
if not stat.S_ISLNK(st.st_mode):
os.chmod(targetpath, mode)
if stat.S_ISDIR(st.st_mode):
directory_times.append((targetpath, st.st_atime, st.st_mtime))
# os.utime() sets timestamp of target, not link
elif not stat.S_ISLNK(st.st_mode):
os.utime(targetpath, (st.st_atime, st.st_mtime))
if int((copied_size * 90) / total_size) != copy_progress:
copy_progress = int((copied_size * 90) / total_size)
self.db.progress('SET', 10 + copy_progress)
time_now = time.time()
if (time_now - times[-1][0]) >= 0.5:
times.append((time_now, copied_size))
if not long_enough and time_now - times[0][0] >= 10:
long_enough = True
if long_enough and time_now - time_last_update >= 2:
time_last_update = time_now
while (time_now - times[0][0] > 60 and
time_now - times[1][0] >= 60):
times.pop(0)
speed = ((times[-1][1] - times[0][1]) /
(times[-1][0] - times[0][0]))
if speed != 0:
time_remaining = int((total_size - copied_size) / speed)
if time_remaining < 60:
self.db.progress(
'INFO', 'ubiquity/install/copying_minute')
# Apply timestamps to all directories now that the items within them
# have been copied.
for dirtime in directory_times:
(directory, atime, mtime) = dirtime
try:
os.utime(directory, (atime, mtime))
except OSError:
# I have no idea why I've been getting lots of bug reports
# about this failing, but I really don't care. Ignore it.
pass
# Revert to previous kernel flush times.
if dirty_writeback_centisecs is not None:
with open('/proc/sys/vm/dirty_writeback_centisecs', 'w') as dwc:
print >>dwc, dirty_writeback_centisecs
if dirty_expire_centisecs is not None:
with open('/proc/sys/vm/dirty_expire_centisecs', 'w') as dec:
print >>dec, dirty_expire_centisecs
# Try some possible locations for the kernel we used to boot. This
# lets us save a couple of megabytes of CD space.
bootdir = os.path.join(self.target, 'boot')
kernel = self.find_cd_kernel()
if kernel:
prefix = os.path.basename(kernel).split('-', 1)[0]
release = os.uname()[2]
target_kernel = os.path.join(bootdir, '%s-%s' % (prefix, release))
osextras.unlink_force(target_kernel)
install_misc.copy_file(self.db, kernel, target_kernel, md5_check)
os.lchown(target_kernel, 0, 0)
os.chmod(target_kernel, 0644)
st = os.lstat(kernel)
os.utime(target_kernel, (st.st_atime, st.st_mtime))
os.umask(old_umask)
self.db.progress('SET', 100)
self.db.progress('STOP')
os.mkdir(targetpath, mode)
elif stat.S_ISCHR(st.st_mode):
os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
elif stat.S_ISBLK(st.st_mode):
os.mknod(targetpath, stat.S_IFBLK | mode, st.st_rdev)
elif stat.S_ISFIFO(st.st_mode):
os.mknod(targetpath, stat.S_IFIFO | mode)
elif stat.S_ISSOCK(st.st_mode):
os.mknod(targetpath, stat.S_IFSOCK | mode)
elif stat.S_ISREG(st.st_mode):
if '/%s' % relpath in self.blacklist:
if debug:
syslog.syslog('Not copying %s' % relpath)
continue
osextras.unlink_force(targetpath)
install_misc.copy_file(self.db, sourcepath, targetpath, md5_check)
copied_size += st.st_size
os.lchown(targetpath, st.st_uid, st.st_gid)
if not stat.S_ISLNK(st.st_mode):
os.chmod(targetpath, mode)
if stat.S_ISDIR(st.st_mode):
directory_times.append((targetpath, st.st_atime, st.st_mtime))
# os.utime() sets timestamp of target, not link
elif not stat.S_ISLNK(st.st_mode):
os.utime(targetpath, (st.st_atime, st.st_mtime))
if int((copied_size * 90) / total_size) != copy_progress:
copy_progress = int((copied_size * 90) / total_size)
self.db.progress('SET', 10 + copy_progress)
# can race with us since it creates
# "/target/var/cache/apt/...". Hence, ignore
# failure if the directory does now exist where
# brief moments before it didn't.
if e.errno != errno.EEXIST:
raise
elif stat.S_ISCHR(st.st_mode):
os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
elif stat.S_ISBLK(st.st_mode):
os.mknod(targetpath, stat.S_IFBLK | mode, st.st_rdev)
elif stat.S_ISFIFO(st.st_mode):
os.mknod(targetpath, stat.S_IFIFO | mode)
elif stat.S_ISSOCK(st.st_mode):
os.mknod(targetpath, stat.S_IFSOCK | mode)
elif stat.S_ISREG(st.st_mode):
install_misc.copy_file(self.db, sourcepath, targetpath, md5_check)
# Copy metadata.
copied_size += st.st_size
os.lchown(targetpath, st.st_uid, st.st_gid)
if not stat.S_ISLNK(st.st_mode):
os.chmod(targetpath, mode)
if stat.S_ISDIR(st.st_mode):
directory_times.append((targetpath, st.st_atime, st.st_mtime))
# os.utime() sets timestamp of target, not link
elif not stat.S_ISLNK(st.st_mode):
try:
os.utime(targetpath, (st.st_atime, st.st_mtime))
except Exception:
# We can live with timestamps being wrong.
pass