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Sergey Poznyakoff
2004-05-10 11:36:40 +00:00
parent ee3b833d37
commit 289687bd1c
3 changed files with 70 additions and 20 deletions
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12
NEWS
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@@ -47,7 +47,17 @@ version 1.13.94 - Sergey Poznyakoff, 2004-04-04
* --incremental and --listed-incremental options work correctly on
individual files, as well as on directories.
* New scripts: backup (replaces old level-0 and level-1) and restore
* New scripts: backup (replaces old level-0 and level-1) and restore.
The scripts are compiled and installed if --enable-backup-scripts
option is given to configure.
* By default tar searches "rmt" utility in "$prefix/libexec/rmt",
which is consistent with the location where the version of "rmt"
included in the package is installed. Previous versions of tar
used "/etc/rmt". The full path name to the "rmt" utility may
be overridden either while configuring the package, by setting
DEFAULT_RMT_COMMAND variable, or on runtime, by giving option
--rmt-command to tar.
* Removed obsolete command line options:
** --absolute-paths superseded by --absolute-names

29
README
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@@ -46,6 +46,28 @@ in the environment before configuring (the behavior of `-[0-7]' or
`-[0-7]lmh' options in `tar' are then derived automatically). Similarly,
`DEFAULT_BLOCKING' can be preset to something else than 20.
** Selecting full pathname of the "rmt" binary.
Previous versions of tar always looked for "rmt" binary using
hardcoded path "/etc/rmt". However, the "rmt" program included
in the distribution was installed under "$prefix/libexec/rmt".
To fix this discrepancy, tar now looks for "$prefix/libexec/rmt".
If you do not want this behavior, specify full path name of
"rmt" binary using DEFAULT_RMT_COMMAND variable, e.g.:
./configure DEFAULT_RMT_COMMAND=/etc/rmt
** Installing backup scripts.
This version of tar is shipped with the shell scripts for producing
incremental backups (dumps) and restoring filesystems from them.
The name of the backup script is "backup". The name of the
restore script is "restore". They are installed in "$prefix/sbin"
directory.
Use option --enable-backup-scripts to compile and install these
scripts.
** `--disable-largefile' omits support for large files, even if the
operating system supports large files. Typically, large files are
those larger on 2 GB on a 32-bit host.
@@ -169,9 +191,10 @@ and new `tar' features.
* What's next?
In the future we will try to release tar-1.14 as soon as possible and
start merging with paxutils afterwards. We'll also try to rewrite
some parts of the documentation after paxutils has been merged.
GNU tar will be merged into GNU paxutils: a project containing
several utilities related to creating and handling archives in
various formats. The project will include tar, cpio and pax
utilities.
* Bug reporting.

49
doc/tar.texi
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@@ -393,6 +393,7 @@
@set xref-remove-files @xref{Writing}
@set pxref-remove-files @pxref{Writing}
@set op-rmt-command @kbd{rmt-command=@var{command}}
@set op-rsh-command @kbd{rsh-command=@var{command}}
@set op-same-order @kbd{--same-order} (@kbd{--preserve-order}, @kbd{-s})
@@ -3206,6 +3207,11 @@ from the archive. @xref{Writing}.
Directs @command{tar} to remove the source file from the file system after
appending it to an archive. @FIXME-xref{}
@item --rmt-command=@var{cmd}
Notifies @command{tar} that it should use @var{cmd} instead of
the default @file{/usr/libexec/rmt} (@pxref{Remote Tape Server}).
@item --rsh-command=@var{cmd}
Notifies @command{tar} that is should use @var{cmd} to communicate with remote
@@ -5950,8 +5956,11 @@ program, with a username of @var{user}. If the username is omitted
(along with the @samp{@@} sign), then your user name will be used.
(This is the normal @command{rsh} behavior.) It is necessary for the
remote machine, in addition to permitting your @command{rsh} access, to
have the @file{/usr/ucb/rmt} program installed. If you need to use a
file whose name includes a colon, then the remote tape drive behavior
have the @file{rmt} program installed (This command is included in
the @GNUTAR{} distribution and by default is installed under
@file{@var{prefix}/libexec/rmt}, were @var{prefix} means your
installation prefix). If you need to use a file whose name includes a
colon, then the remote tape drive behavior
can be inhibited by using the @value{op-force-local} option.
@FIXME{i know we went over this yesterday, but bob (and now i do again,
@@ -7165,7 +7174,7 @@ To use the older, obsolete, @command{compress} program, use the
uses. You could be sued for patent infringement merely by running
@command{compress}.
I have one question, or maybe it's a suggestion if there isn't a way
@FIXME{I have one question, or maybe it's a suggestion if there isn't a way
to do it now. I would like to use @value{op-gzip}, but I'd also like
the output to be fed through a program like @acronym{GNU}
@command{ecc} (actually, right now that's @samp{exactly} what I'd like
@@ -7197,7 +7206,7 @@ extraction is needed rather than creation.
It has been reported that if one writes compressed data (through the
@value{op-gzip} or @value{op-compress} options) to a DLT and tries to use
the DLT compression mode, the data will actually get bigger and one will
end up with less space on the tape.
end up with less space on the tape.}
@node sparse
@subsection Archiving Sparse Files
@@ -7918,12 +7927,19 @@ If the file name contains a @samp{:}, it is interpreted as
@samp{hostname:file name}. If the @var{hostname} contains an @dfn{at}
sign (@kbd{@@}), it is treated as @samp{user@@hostname:file name}. In
either case, @command{tar} will invoke the command @command{rsh} (or
@command{remsh}) to start up an @file{/etc/rmt} on the remote machine. If
you give an alternate login name, it will be given to the @command{rsh}.
Naturally, the remote machine must have an executable @file{/etc/rmt}.
This program is free software from the University of California, and a
copy of the source code can be found with the sources for @command{tar};
it's compiled and installed by default.
@command{remsh}) to start up an @command{/usr/libexec/rmt} on the remote
machine. If you give an alternate login name, it will be given to the
@command{rsh}.
Naturally, the remote machine must have an executable
@command{/usr/libexec/rmt}. This program is free software from the
University of California, and a copy of the source code can be found
with the sources for @command{tar}; it's compiled and installed by default.
The exact path to this utility is determined when configuring the package.
It is @file{@var{prefix}/libexec/rmt}, where @var{prefix} stands for
your installation prefix. This location may also be overridden at
runtime by using @value{op-rmt-command} option (@xref{Option Summary,
---rmt-command}, for detailed description of this option. @xref{Remote
Tape Server}, for the description of @command{rmt} command).
If this option is not given, but the environment variable @env{TAPE}
is set, its value is used; otherwise, old versions of @command{tar}
@@ -8009,15 +8025,16 @@ nonzero status, exit. This implies @value{op-multi-volume}.
@pindex rmt
In order to access the tape drive on a remote machine, @command{tar}
uses the remote tape server written at the University of California at
Berkeley. The remote tape server must be installed as @file{/etc/rmt}
on any machine whose tape drive you want to use. @command{tar} calls
@file{/etc/rmt} by running an @command{rsh} or @command{remsh} to the remote
machine, optionally using a different login name if one is supplied.
Berkeley. The remote tape server must be installed as
@file{@var{prefix}/libexec/rmt} on any machine whose tape drive you
want to use. @command{tar} calls @command{rmt} by running an
@command{rsh} or @command{remsh} to the remote machine, optionally
using a different login name if one is supplied.
A copy of the source for the remote tape server is provided. It is
Copyright @copyright{} 1983 by the Regents of the University of
California, but can be freely distributed. Instructions for compiling
and installing it are included in the @file{Makefile}.
California, but can be freely distributed. It is compiled and
installed by default.
@cindex absolute file names
Unless you use the @value{op-absolute-names} option, @GNUTAR{}