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@@ -331,92 +331,90 @@ class Archiver:
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def _process(self, archive, cache, matcher, exclude_caches, exclude_if_present,
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keep_tag_files, skip_inodes, path, restrict_dev,
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read_special=False, dry_run=False):
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+ """
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+ Process *path* recursively according to the various parameters.
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+
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+ This should only raise on critical errors. Per-item errors must be handled within this method.
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+ """
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if not matcher.match(path):
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return
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try:
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- st = os.lstat(path)
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- except OSError as e:
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- self.print_warning('%s: %s', path, e)
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- return
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- if (st.st_ino, st.st_dev) in skip_inodes:
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- return
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- # Entering a new filesystem?
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- if restrict_dev is not None and st.st_dev != restrict_dev:
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- return
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- status = None
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- # Ignore if nodump flag is set
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- if has_lchflags and (st.st_flags & stat.UF_NODUMP):
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- return
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- if stat.S_ISREG(st.st_mode):
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- if not dry_run:
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- try:
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- status = archive.process_file(path, st, cache, self.ignore_inode)
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- except BackupOSError as e:
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- status = 'E'
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- self.print_warning('%s: %s', path, e)
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- elif stat.S_ISDIR(st.st_mode):
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- tag_paths = dir_is_tagged(path, exclude_caches, exclude_if_present)
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- if tag_paths:
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- if keep_tag_files and not dry_run:
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- archive.process_dir(path, st)
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- for tag_path in tag_paths:
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- self._process(archive, cache, matcher, exclude_caches, exclude_if_present,
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- keep_tag_files, skip_inodes, tag_path, restrict_dev,
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- read_special=read_special, dry_run=dry_run)
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+ with backup_io():
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+ st = os.lstat(path)
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+ if (st.st_ino, st.st_dev) in skip_inodes:
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return
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- if not dry_run:
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- status = archive.process_dir(path, st)
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- try:
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- entries = os.listdir(path)
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- except OSError as e:
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- status = 'E'
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- self.print_warning('%s: %s', path, e)
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- else:
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+ # Entering a new filesystem?
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+ if restrict_dev is not None and st.st_dev != restrict_dev:
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+ return
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+ status = None
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+ # Ignore if nodump flag is set
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+ if has_lchflags and (st.st_flags & stat.UF_NODUMP):
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+ return
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+ if stat.S_ISREG(st.st_mode):
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+ if not dry_run:
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+ status = archive.process_file(path, st, cache, self.ignore_inode)
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+ elif stat.S_ISDIR(st.st_mode):
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+ tag_paths = dir_is_tagged(path, exclude_caches, exclude_if_present)
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+ if tag_paths:
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+ if keep_tag_files and not dry_run:
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+ archive.process_dir(path, st)
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+ for tag_path in tag_paths:
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+ self._process(archive, cache, matcher, exclude_caches, exclude_if_present,
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+ keep_tag_files, skip_inodes, tag_path, restrict_dev,
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+ read_special=read_special, dry_run=dry_run)
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+ return
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+ if not dry_run:
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+ status = archive.process_dir(path, st)
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+ with backup_io():
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+ entries = os.listdir(path)
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for filename in sorted(entries):
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entry_path = os.path.normpath(os.path.join(path, filename))
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self._process(archive, cache, matcher, exclude_caches, exclude_if_present,
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keep_tag_files, skip_inodes, entry_path, restrict_dev,
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read_special=read_special, dry_run=dry_run)
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- elif stat.S_ISLNK(st.st_mode):
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- if not dry_run:
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- if not read_special:
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- status = archive.process_symlink(path, st)
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- else:
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- try:
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- st_target = os.stat(path)
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- except OSError:
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- special = False
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+ elif stat.S_ISLNK(st.st_mode):
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+ if not dry_run:
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+ if not read_special:
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+ status = archive.process_symlink(path, st)
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else:
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- special = is_special(st_target.st_mode)
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- if special:
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- status = archive.process_file(path, st_target, cache)
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+ try:
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+ st_target = os.stat(path)
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+ except OSError:
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+ special = False
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+ else:
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+ special = is_special(st_target.st_mode)
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+ if special:
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+ status = archive.process_file(path, st_target, cache)
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+ else:
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+ status = archive.process_symlink(path, st)
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+ elif stat.S_ISFIFO(st.st_mode):
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+ if not dry_run:
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+ if not read_special:
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+ status = archive.process_fifo(path, st)
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else:
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- status = archive.process_symlink(path, st)
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- elif stat.S_ISFIFO(st.st_mode):
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- if not dry_run:
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- if not read_special:
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- status = archive.process_fifo(path, st)
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- else:
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- status = archive.process_file(path, st, cache)
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- elif stat.S_ISCHR(st.st_mode) or stat.S_ISBLK(st.st_mode):
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- if not dry_run:
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- if not read_special:
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- status = archive.process_dev(path, st)
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- else:
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- status = archive.process_file(path, st, cache)
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- elif stat.S_ISSOCK(st.st_mode):
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- # Ignore unix sockets
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- return
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- elif stat.S_ISDOOR(st.st_mode):
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- # Ignore Solaris doors
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- return
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- elif stat.S_ISPORT(st.st_mode):
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- # Ignore Solaris event ports
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- return
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- else:
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- self.print_warning('Unknown file type: %s', path)
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- return
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+ status = archive.process_file(path, st, cache)
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+ elif stat.S_ISCHR(st.st_mode) or stat.S_ISBLK(st.st_mode):
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+ if not dry_run:
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+ if not read_special:
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+ status = archive.process_dev(path, st)
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+ else:
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+ status = archive.process_file(path, st, cache)
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+ elif stat.S_ISSOCK(st.st_mode):
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+ # Ignore unix sockets
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+ return
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+ elif stat.S_ISDOOR(st.st_mode):
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+ # Ignore Solaris doors
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+ return
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+ elif stat.S_ISPORT(st.st_mode):
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+ # Ignore Solaris event ports
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+ return
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+ else:
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+ self.print_warning('Unknown file type: %s', path)
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+ return
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+ except BackupOSError as e:
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+ self.print_warning('%s: %s', path, e)
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+ status = 'E'
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# Status output
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if status is None:
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if not dry_run:
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Marian Beermann