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UNIX for Dummies Questions & Answers
tar symlinks: relative vs absolute
Post 302345957 by TreeMan on Thursday 20th of August 2009 05:18:07 PM
08-20-2009
tar symlinks: relative vs absolute
I create the tar file from / like so:
tar cEhf name.tar usr/us
And this creates the tar with the links intact. The problem is that this tar is going to be used for testing, so we want the links to point to the files in the tar. But when I extract the tar into /tmp, I get /tmp/usr/us/... as I expect, but the links are NOT /tmp/usr/us/... like I want but are /usr/us/...; the original location.
Is there a way to get the links to be relative the same way the rest of the files are?
System is Solaris 10 and I have been using tar xvf to extract. I'm hoping the problem is in the extraction since it will take several hours to rebuild a pristine system to redo the tar files if that's where the change needs to be made.
Oh, and finally, the links are important to what we are testing, so replacing the link with just a copy of what the link points to will not satisfy the conditions of the test.
Thanks.
tar cEhf name.tar usr/us
And this creates the tar with the links intact. The problem is that this tar is going to be used for testing, so we want the links to point to the files in the tar. But when I extract the tar into /tmp, I get /tmp/usr/us/... as I expect, but the links are NOT /tmp/usr/us/... like I want but are /usr/us/...; the original location.
Is there a way to get the links to be relative the same way the rest of the files are?
System is Solaris 10 and I have been using tar xvf to extract. I'm hoping the problem is in the extraction since it will take several hours to rebuild a pristine system to redo the tar files if that's where the change needs to be made.
Oh, and finally, the links are important to what we are testing, so replacing the link with just a copy of what the link points to will not satisfy the conditions of the test.
Thanks.
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LEARN ABOUT SUSE
virt-tar-out
virt-tar-out(1) Virtualization Support virt-tar-out(1) NAME
virt-tar-out - Pack a virtual machine disk image directory into a tarball. SYNOPSIS
virt-tar-out -a disk.img /dir files.tar virt-tar-out -d domain /dir files.tar virt-tar-out -d domain /dir - | gzip --best > files.tar.gz DESCRIPTION
"virt-tar-out" packs a virtual machine disk image directory into a tarball. The first parameter is the absolute path of the virtual machine directory. The second parameter is the tar file to write. Use "-" to write to standard output. EXAMPLES
Download the home directories from a guest: virt-tar-out -d MyGuest /home - | gzip --best > homes.tar.gz JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "tar-out" command. For anything more complex than a trivial copy, you are probably better off using guestfish directly. OPTIONS
Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options. SEE ALSO
guestfish(1), virt-cat(1), virt-copy-in(1), virt-copy-out(1), virt-edit(1), virt-tar-in(1), <http://libguestfs.org/>. AUTHORS
Richard W.M. Jones ("rjones at redhat dot com") COPYRIGHT
Copyright (C) 2011 Red Hat Inc. <http://libguestfs.org/> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. libguestfs-1.18.1 2013-12-07 virt-tar-out(1)