-#!/usr/bin/env python
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/bup-python" || exit $?
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+
# Copyright (C) 2010 Rob Browning
#
# This code is covered under the terms of the GNU Library General
# Public License as described in the bup LICENSE file.
+
+from __future__ import absolute_import, print_function
import sys, stat, errno
+
from bup import metadata, options, xstat
-from bup.helpers import handle_ctrl_c, saved_errors, add_error, log
+from bup.helpers import add_error, handle_ctrl_c, parse_timestamp, saved_errors, \
+ add_error, log
-def fstimestr(fstime):
- (s, ns) = xstat.fstime_to_timespec(fstime)
- if(s < 0):
- s += 1
- if ns == 0:
- return '%d' % s
- else:
- return '%d.%09d' % (s, ns)
+def parse_timestamp_arg(field, value):
+ res = str(value) # Undo autoconversion.
+ try:
+ res = parse_timestamp(res)
+ except ValueError as ex:
+ if ex.args:
+ o.fatal('unable to parse %s resolution "%s" (%s)'
+ % (field, value, ex))
+ else:
+ o.fatal('unable to parse %s resolution "%s"' % (field, value))
+
+ if res != 1 and res % 10:
+ o.fatal('%s resolution "%s" must be a power of 10' % (field, value))
+ return res
optspec = """
q,quiet don't show progress meter
exclude-fields= exclude comma-separated fields
include-fields= include comma-separated fields (definitive if first)
+atime-resolution= limit s, ms, us, ns, 10ns (value must be a power of 10) [ns]
+mtime-resolution= limit s, ms, us, ns, 10ns (value must be a power of 10) [ns]
+ctime-resolution= limit s, ms, us, ns, 10ns (value must be a power of 10) [ns]
"""
target_filename = ''
-all_fields = frozenset(['path',
- 'mode',
- 'link-target',
- 'rdev',
- 'uid',
- 'gid',
- 'owner',
- 'group',
- 'atime',
- 'mtime',
- 'ctime',
- 'linux-attr',
- 'linux-xattr',
- 'posix1e-acl'])
-active_fields = all_fields
+active_fields = metadata.all_fields
handle_ctrl_c()
o = options.Options(optspec)
(opt, flags, remainder) = o.parse(sys.argv[1:])
+atime_resolution = parse_timestamp_arg('atime', opt.atime_resolution)
+mtime_resolution = parse_timestamp_arg('mtime', opt.mtime_resolution)
+ctime_resolution = parse_timestamp_arg('ctime', opt.ctime_resolution)
+
treat_include_fields_as_definitive = True
for flag, value in flags:
if flag == '--exclude-fields':
exclude_fields = frozenset(value.split(','))
for f in exclude_fields:
- if not f in all_fields:
+ if not f in metadata.all_fields:
o.fatal(f + ' is not a valid field name')
active_fields = active_fields - exclude_fields
treat_include_fields_as_definitive = False
elif flag == '--include-fields':
include_fields = frozenset(value.split(','))
for f in include_fields:
- if not f in all_fields:
+ if not f in metadata.all_fields:
o.fatal(f + ' is not a valid field name')
if treat_include_fields_as_definitive:
active_fields = include_fields
opt.quiet = opt.quiet or 0
metadata.verbose = opt.verbose - opt.quiet
+first_path = True
for path in remainder:
try:
m = metadata.from_path(path, archive_path = path)
- except (OSError,IOError), e:
+ except (OSError,IOError) as e:
if e.errno == errno.ENOENT:
add_error(e)
continue
else:
raise
- if 'path' in active_fields:
- print 'path:', m.path
- if 'mode' in active_fields:
- print 'mode: %s (%s)' % (oct(m.mode),
- xstat.mode_str(m.mode))
- if 'link-target' in active_fields and stat.S_ISLNK(m.mode):
- print 'link-target:', m.symlink_target
- if 'rdev' in active_fields:
- print 'rdev:', m.rdev
- if 'uid' in active_fields:
- print 'uid:', m.uid
- if 'gid' in active_fields:
- print 'gid:', m.gid
- if 'owner' in active_fields:
- print 'owner:', m.owner
- if 'group' in active_fields:
- print 'group:', m.group
- if 'atime' in active_fields:
- # If we don't have utimensat, that means we have to use
- # utime(), and utime() has no way to set the mtime/atime of a
- # symlink. Thus, the mtime/atime of a symlink is meaningless,
- # so let's not report it. (That way scripts comparing
- # before/after won't trigger.)
- if xstat.lutime or not stat.S_ISLNK(m.mode):
- print 'atime: ' + fstimestr(m.atime)
- else:
- print 'atime: 0'
- if 'mtime' in active_fields:
- if xstat.lutime or not stat.S_ISLNK(m.mode):
- print 'mtime: ' + fstimestr(m.mtime)
- else:
- print 'mtime: 0'
- if 'ctime' in active_fields:
- print 'ctime: ' + fstimestr(m.ctime)
- if 'linux-attr' in active_fields and m.linux_attr:
- print 'linux-attr:', hex(m.linux_attr)
- if 'linux-xattr' in active_fields and m.linux_xattr:
- for name, value in m.linux_xattr:
- print 'linux-xattr: %s -> %s' % (name, repr(value))
- if 'posix1e-acl' in active_fields and m.posix1e_acl and metadata.posix1e:
- flags = metadata.posix1e.TEXT_ABBREVIATE
- if stat.S_ISDIR(m.mode):
- acl = m.posix1e_acl[0]
- default_acl = m.posix1e_acl[2]
- print acl.to_any_text('posix1e-acl: ', '\n', flags)
- print acl.to_any_text('posix1e-acl-default: ', '\n', flags)
- else:
- acl = m.posix1e_acl[0]
- print acl.to_any_text('posix1e-acl: ', '\n', flags)
+ if metadata.verbose >= 0:
+ if not first_path:
+ print()
+ if atime_resolution != 1:
+ m.atime = (m.atime / atime_resolution) * atime_resolution
+ if mtime_resolution != 1:
+ m.mtime = (m.mtime / mtime_resolution) * mtime_resolution
+ if ctime_resolution != 1:
+ m.ctime = (m.ctime / ctime_resolution) * ctime_resolution
+ print(metadata.detailed_str(m, active_fields))
+ first_path = False
if saved_errors:
log('WARNING: %d errors encountered.\n' % len(saved_errors))