+++ /dev/null
-#!/usr/bin/env python
-
-# 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.
-
-# TODO: Add tar-like -C option.
-
-import sys
-from bup import metadata
-from bup import options
-from bup.helpers import handle_ctrl_c, log, saved_errors
-
-
-def open_input(name):
- if not name or name == '-':
- return sys.stdin
- return open(name, 'r')
-
-
-def open_output(name):
- if not name or name == '-':
- return sys.stdout
- return open(name, 'w')
-
-
-optspec = """
-bup meta --create [OPTION ...] <PATH ...>
-bup meta --extract [OPTION ...]
-bup meta --start-extract [OPTION ...]
-bup meta --finish-extract [OPTION ...]
-bup meta --edit [OPTION ...] <PATH ...>
---
-c,create write metadata for PATHs to stdout (or --file)
-t,list display metadata
-x,extract perform --start-extract followed by --finish-extract
-start-extract build tree matching metadata provided on standard input (or --file)
-finish-extract finish applying standard input (or --file) metadata to filesystem
-edit alter metadata; write to stdout (or --file)
-f,file= specify source or destination file
-R,recurse recurse into subdirectories
-xdev,one-file-system don't cross filesystem boundaries
-numeric-ids apply numeric IDs (user, group, etc.) rather than names
-symlinks handle symbolic links (default is true)
-paths include paths in metadata (default is true)
-set-uid= set metadata uid (via --edit)
-set-gid= set metadata gid (via --edit)
-set-user= set metadata user (via --edit)
-unset-user remove metadata user (via --edit)
-set-group= set metadata group (via --edit)
-unset-group remove metadata group (via --edit)
-v,verbose increase log output (can be used more than once)
-q,quiet don't show progress meter
-"""
-
-handle_ctrl_c()
-
-o = options.Options(optspec)
-(opt, flags, remainder) = o.parse(['--paths', '--symlinks'] + sys.argv[1:])
-
-opt.verbose = opt.verbose or 0
-opt.quiet = opt.quiet or 0
-metadata.verbose = opt.verbose - opt.quiet
-
-action_count = sum([bool(x) for x in [opt.create, opt.list, opt.extract,
- opt.start_extract, opt.finish_extract,
- opt.edit]])
-if action_count > 1:
- o.fatal("bup: only one action permitted: --create --list --extract --edit")
-if action_count == 0:
- o.fatal("bup: no action specified")
-
-if opt.create:
- if len(remainder) < 1:
- o.fatal("no paths specified for create")
- output_file = open_output(opt.file)
- metadata.save_tree(output_file,
- remainder,
- recurse=opt.recurse,
- write_paths=opt.paths,
- save_symlinks=opt.symlinks,
- xdev=opt.xdev)
-elif opt.list:
- if len(remainder) > 0:
- o.fatal("cannot specify paths for --list")
- src = open_input(opt.file)
- metadata.display_archive(src)
-elif opt.start_extract:
- if len(remainder) > 0:
- o.fatal("cannot specify paths for --start-extract")
- src = open_input(opt.file)
- metadata.start_extract(src, create_symlinks=opt.symlinks)
-elif opt.finish_extract:
- if len(remainder) > 0:
- o.fatal("cannot specify paths for --finish-extract")
- src = open_input(opt.file)
- metadata.finish_extract(src, restore_numeric_ids=opt.numeric_ids)
-elif opt.extract:
- if len(remainder) > 0:
- o.fatal("cannot specify paths for --extract")
- src = open_input(opt.file)
- metadata.extract(src,
- restore_numeric_ids=opt.numeric_ids,
- create_symlinks=opt.symlinks)
-elif opt.edit:
- if len(remainder) < 1:
- o.fatal("no paths specified for edit")
- output_file = open_output(opt.file)
-
- unset_user = False # True if --unset-user was the last relevant option.
- unset_group = False # True if --unset-group was the last relevant option.
- for flag in flags:
- if flag[0] == '--set-user':
- unset_user = False
- elif flag[0] == '--unset-user':
- unset_user = True
- elif flag[0] == '--set-group':
- unset_group = False
- elif flag[0] == '--unset-group':
- unset_group = True
-
- for path in remainder:
- f = open(path, 'r')
- try:
- for m in metadata._ArchiveIterator(f):
- if opt.set_uid is not None:
- try:
- m.uid = int(opt.set_uid)
- except ValueError:
- o.fatal("uid must be an integer")
-
- if opt.set_gid is not None:
- try:
- m.gid = int(opt.set_gid)
- except ValueError:
- o.fatal("gid must be an integer")
-
- if unset_user:
- m.user = ''
- elif opt.set_user is not None:
- m.user = opt.set_user
-
- if unset_group:
- m.group = ''
- elif opt.set_group is not None:
- m.group = opt.set_group
-
- m.write(output_file)
- finally:
- f.close()
-
-
-if saved_errors:
- log('WARNING: %d errors encountered.\n' % len(saved_errors))
- sys.exit(1)
-else:
- sys.exit(0)
projects / bup.git / blobdiff