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bup-meta - Online in the Cloud

Run bup-meta in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command bup-meta that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


bup-meta - create or extract a metadata archive

SYNOPSIS


bup meta --create
[-R] [-v] [-q] [--no-symlinks] [--no-paths] [-f file] <paths...>

bup meta --list
[-v] [-q] [-f file]

bup meta --extract
[-v] [-q] [--numeric-ids] [--no-symlinks] [-f file]

bup meta --start-extract
[-v] [-q] [--numeric-ids] [--no-symlinks] [-f file]

bup meta --finish-extract
[-v] [-q] [--numeric-ids] [-f file]

bup meta --edit
[--set-uid uid | --set-gid gid | --set-user user | --set-group group | ...]
<paths...>

DESCRIPTION


bup meta creates, extracts, or otherwise manipulates metadata archives. A metadata
archive contains the metadata information (timestamps, ownership, access permissions,
etc.) for a set of filesystem paths.

See bup-restore(1) for a description of the way ownership metadata is restored.

OPTIONS


-c, --create
Create a metadata archive for the specified paths. Write the archive to standard
output unless --file is specified.

-t, --list
Display information about the metadata in an archive. Read the archive from
standard input unless --file is specified.

-x, --extract
Extract a metadata archive. Conceptually, perform --start-extract followed by
--finish-extract. Read the archive from standard input unless --file is specified.

--start-extract
Build a filesystem tree matching the paths stored in a metadata archive. By
itself, this command does not produce a full restoration of the metadata. For a
full restoration, this command must be followed by a call to --finish-extract.
Once this command has finished, all of the normal files described by the metadata
will exist and be empty. Restoring the data in those files, and then calling
--finish-extract should restore the original tree. The archive will be read from
standard input unless --file is specified.

--finish-extract
Finish applying the metadata stored in an archive to the filesystem. Normally,
this command should follow a call to --start-extract. The archive will be read
from standard input unless --file is specified.

--edit Edit metadata archives. The result will be written to standard output unless
--file is specified.

-f, --file=filename
Read the metadata archive from filename or write it to filename as appropriate. If
filename is "-", then read from standard input or write to standard output.

-R, --recurse
Recursively descend into subdirectories during --create.

--xdev, --one-file-system
don't cross filesystem boundaries -- though as with tar and rsync, the mount points
themselves will still be handled.

--numeric-ids
Apply numeric IDs (user, group, etc.) rather than names during --extract or
--finish-extract.

--symlinks
Record symbolic link targets when creating an archive, or restore symbolic links
when extracting an archive (during --extract or --start-extract). This option is
enabled by default. Specify --no-symlinks to disable it.

--paths
Record pathnames when creating an archive. This option is enabled by default.
Specify --no-paths to disable it.

--set-uid=uid
Set the metadata uid to the integer uid during --edit.

--set-gid=gid
Set the metadata gid to the integer gid during --edit.

--set-user=user
Set the metadata user to user during --edit.

--unset-user
Remove the metadata user during --edit.

--set-group=group
Set the metadata user to group during --edit.

--unset-group
Remove the metadata group during --edit.

-v, --verbose
Be more verbose (can be used more than once).

-q, --quiet
Be quiet.

EXAMPLES


# Create a metadata archive for /etc.
$ bup meta -cRf etc.meta /etc
bup: removing leading "/" from "/etc"

# Extract the etc.meta archive (files will be empty).
$ mkdir tmp && cd tmp
$ bup meta -xf ../etc.meta
$ ls
etc

# Restore /etc completely.
$ mkdir tmp && cd tmp
$ bup meta --start-extract -f ../etc.meta
...fill in all regular file contents using some other tool...
$ bup meta --finish-extract -f ../etc.meta

# Change user/uid to root.
$ bup meta --edit --set-uid 0 --set-user root \
src.meta > dest.meta

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