mirror of
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72 lines
2.3 KiB
Perl
72 lines
2.3 KiB
Perl
# File: Version.pm
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#
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# Purpose: The `version` PBot command. It can check against GitHub or a
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# user-defined URL for PBot's VERSION.pm file.
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# SPDX-FileCopyrightText: 2001-2023 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Core::Commands::Version;
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use parent 'PBot::Core::Class';
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use PBot::Imports;
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use LWP::UserAgent;
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sub initialize($self, %conf) {
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# register `version` command
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$self->{pbot}->{commands}->register(sub { $self->cmd_version(@_) }, 'version');
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# initialize last_check version data using compile-time constants
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$self->{last_check} = {
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timestamp => 0,
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revision => PBot::VERSION::BUILD_REVISION,
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date => PBot::VERSION::BUILD_DATE,
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};
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}
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sub cmd_version($self, $context) {
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my $ratelimit = $self->{pbot}->{registry}->get_value('version', 'check_limit') // 300;
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if (time - $self->{last_check}->{timestamp} >= $ratelimit) {
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$self->{last_check}->{timestamp} = time;
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my $url = $self->{pbot}->{registry}->get_value('version', 'check_url') // 'https://raw.githubusercontent.com/pragma-/pbot/master/lib/PBot/VERSION.pm';
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$self->{pbot}->{logger}->log("Checking $url for new version...\n");
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my $ua = LWP::UserAgent->new(timeout => 10);
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my $response = $ua->get($url);
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if (not $response->is_success) {
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return "Unable to get version information: " . $response->status_line;
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}
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my $text = $response->decoded_content;
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my ($revision, $date) = $text =~ m/^\s+BUILD_REVISION => (\d+).*^\s+BUILD_DATE\s+=> "([^"]+)"/ms;
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if (not defined $revision or not defined $date) {
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return "Unable to get version information: data did not match expected format";
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}
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$self->{last_check} = { timestamp => time, revision => $revision, date => $date };
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}
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my $target_nick;
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if (length $context->{arguments}) {
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$target_nick = $self->{pbot}->{nicklist}->is_present_similar($context->{from}, $context->{arguments});
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}
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my $result = '/say ';
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$result .= "$target_nick: " if $target_nick;
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$result .= $self->{pbot}->{version}->version;
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if ($self->{last_check}->{revision} > $self->{pbot}->{version}->revision) {
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$result .= "; new version available: $self->{last_check}->{revision} $self->{last_check}->{date}!";
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}
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return $result;
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}
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1;
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