pvecm use of uninitialized value $ARGV[0]

Just a small bug fix for the pvecm script which did not verify
the argument existence during the $ARGV[0] check (when argument not used).

Script run error -> Use of uninitialized value $ARGV[0] in
string ne at /usr/bin/pvecm line 26.

Signed-off-by: Alen Grizonic <a.grizonic@proxmox.com>

diff --git a/data/PVE/pvecm b/data/PVE/pvecm
index 5017e9da7b66a0c585455a151b32c3181cd2d505..8efbb1dfbd4de203925daed94ac80aea9accbe83 100755 (executable)
--- a/data/PVE/pvecm
+++ b/data/PVE/pvecm
@@ -23,7 +23,7 @@ $ENV{HOME} = '/root'; # for ssh-copy-id
 
 my ($local_ip_address, $nodename);
 
-if ($ARGV[0] ne 'printmanpod' && $ARGV[0] ne 'verifyapi') {
+if (defined($ARGV[0]) && $ARGV[0] ne 'printmanpod' && $ARGV[0] ne 'verifyapi') {
     die "please run as root\n" if $> != 0;
 
     $nodename = PVE::INotify::nodename();