tools: Add section describing quoting libvirt domain names to docs (RHBZ#643624)

[libguestfs.git] / tools / virt-tar

diff --git a/tools/virt-tar b/tools/virt-tar
index 839ff8e..5e6e95a 100755 (executable)
--- a/tools/virt-tar
+++ b/tools/virt-tar
@@ -25,7 +25,6 @@ use Sys::Guestfs::Lib qw(open_guest get_partitions resolve_windows_path
   inspect_operating_systems mount_operating_system);
 use Pod::Usage;
 use Getopt::Long;
-use File::Temp qw/tempfile/;
 use Locale::TextDomain 'libguestfs';
 
 =encoding utf8
@@ -227,7 +226,6 @@ my %fses =
 my $oses = inspect_operating_systems ($g, \%fses);
 
 my @roots = keys %$oses;
-die __"no root device found in this operating system image\n" if @roots == 0;
 die __"multiboot operating systems are not supported by virt-tar\n" if @roots > 1;
 my $root_dev = $roots[0];
 
@@ -256,6 +254,13 @@ undef $g;
 
 exit 0;
 
+=head1 SHELL QUOTING
+
+Libvirt guest names can contain arbitrary characters, some of which
+have meaning to the shell such as C<#> and space.  You may need to
+quote or escape these characters on the command line.  See the shell
+manual page L<sh(1)> for details.
+
 =head1 SEE ALSO
 
 L<guestfs(3)>,