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pbot/lib/PBot/Refresher.pm
2021-07-13 19:45:56 -07:00

71 lines
2.2 KiB
Perl

# File: Refresher.pm
#
# Purpose: Refreshes/reloads module subroutines. Does not refresh/reload
# module member data, only subroutines. TODO: reinitialize modules in order
# to refresh member data too.
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
# SPDX-License-Identifier: MIT
package PBot::Refresher;
use parent 'PBot::Class';
use PBot::Imports;
use Module::Refresh;
use File::Basename;
sub initialize {
my ($self, %conf) = @_;
$self->{pbot}->{commands}->register(sub { $self->cmd_refresh(@_) }, "refresh", 1);
$self->{refresher} = Module::Refresh->new;
}
sub cmd_refresh {
my ($self, $context) = @_;
my $last_update = $self->{pbot}->{updater}->get_last_update_version;
my @updates = $self->{pbot}->{updater}->get_available_updates($last_update);
if (@updates) {
return "Update available; cannot refresh. Please restart PBot to begin update of " . join(', ', map { basename $_ } @updates);
}
my $refresh_error;
local $SIG{__WARN__} = sub {
my $warning = shift;
warn $warning and return if $warning =~ /Can't undef active/;
warn $warning and return if $warning =~ /subroutine .* redefined/i;
$refresh_error = $warning;
$refresh_error =~ s/\s+Compilation failed in require at \/usr.*//;
$refresh_error =~ s/in \@INC.*/in \@INC/;
$self->{pbot}->{logger}->log("Error refreshing: $refresh_error\n");
};
my $result = eval {
if (not $context->{arguments}) {
$self->{pbot}->{logger}->log("Refreshing all modified modules\n");
$self->{refresher}->refresh;
return "Error refreshing: $refresh_error" if defined $refresh_error;
return "Refreshed all modified modules.\n";
} else {
$self->{pbot}->{logger}->log("Refreshing module $context->{arguments}\n");
$self->{refresher}->refresh_module($context->{arguments});
return "Error refreshing: $refresh_error" if defined $refresh_error;
$self->{pbot}->{logger}->log("Refreshed module.\n");
return "Refreshed module.\n";
}
};
if ($@) {
$self->{pbot}->{logger}->log("Error refreshing: $@\n");
return $@;
}
return $result;
}
1;