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#!/usr/bin/perl
################################################################################
# migrate-mdvonline-applet.pl #
# #
# Copyright (C) 2006 Mandriva #
# #
# Thierry Vignaud <tvignaud at mandriva dot com> #
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License Version 2 as #
# published by the Free Software Foundation. #
# #
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
################################################################################
use lib qw(/usr/lib/libDrakX);
use standalone; # for explanations
use MDK::Common;
my $run_file = '/var/run/mdkapplet';
my $mode = $ARGV[0];
if (!-e $run_file) {
# create the stamp file is needed:
open(my $_tmp, '>>', $run_file);
} else {
# exit if we're asked to restart the applets twice in less than 30 seconds
# (eg the trigger script is run by both removed and newly installed packages,
# which can lead to applet crash on SIGHUP because of race condition):
my $mtime = (stat($run_file))[9];
log::explanations("not restarting the applet (too many restart in a while)");
exit(0) if time() - $mtime < 30;
}
if ($mode eq 'new') {
system('killall', '-HUP', 'mdkapplet');
} else {
#my @lines = `ps -o '$p $u %c'`;
my @lines = `ps -eo pid,user,cmd`;
# we do not live process ps output in order not to account both old applets and newly started ones:
foreach (@lines) {
my ($pid, $user, $cmd) = /^\s*(\d+)\s*(\S*)\s*(.*)$/;
# do not match su running mdkapplet:
next if $cmd !~ /perl.*mdkapplet/;
my ($DISPLAY) = grep { /^DISPLAY=/ } split('\0', cat_("/proc/$pid/environ"));
$DISPLAY =~ s/^DISPLAY=//;
log::explanations(qq(killing "$cmd" (pid=$pid)));
kill 15, $pid;
my $pid2 = fork();
if (defined $pid2) {
local $ENV{DISPLAY} = $DISPLAY;
!$pid2 and do { exec('su', $user, '-c', 'mdkapplet --auto-update') or do { require POSIX; POSIX::_exit() } };
log::explanations("restarting applet (pid=$pid2)");
} else {
log::explanations(qq(failed to fork Mandriva Online applet for user "$user"));
}
}
}
my $atime = time();
utime(($atime) x 2, $run_file);
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