user/dev discussion of public-inbox itself
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# Copyright (C) 2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>

# Used by public-inbox-watch for Maildir (and possibly MH in the future)
package PublicInbox::DirIdle;
use strict;
use base 'PublicInbox::DS';
use fields qw(inot);
use PublicInbox::Syscall qw(EPOLLIN EPOLLET);
use PublicInbox::In2Tie;

my ($MAIL_IN, $ino_cls);
if ($^O eq 'linux' && eval { require Linux::Inotify2; 1 }) {
	$MAIL_IN = Linux::Inotify2::IN_MOVED_TO() |
		Linux::Inotify2::IN_CREATE();
	$ino_cls = 'Linux::Inotify2';
} elsif (eval { require PublicInbox::KQNotify }) {
	$MAIL_IN = PublicInbox::KQNotify::MOVED_TO_OR_CREATE();
	$ino_cls = 'PublicInbox::KQNotify';
} else {
	require PublicInbox::FakeInotify;
	$MAIL_IN = PublicInbox::FakeInotify::MOVED_TO_OR_CREATE();
}

sub new {
	my ($class, $dirs, $cb) = @_;
	my $self = fields::new($class);
	my $inot;
	if ($ino_cls) {
		$inot = $ino_cls->new or die "E: $ino_cls->new: $!";
		my $io = PublicInbox::In2Tie::io($inot);
		$self->SUPER::new($io, EPOLLIN | EPOLLET);
	} else {
		require PublicInbox::FakeInotify;
		$inot = PublicInbox::FakeInotify->new; # starts timer
	}

	# Linux::Inotify2->watch or similar
	$inot->watch($_, $MAIL_IN, $cb) for @$dirs;
	$self->{inot} = $inot;
	$self;
}

sub event_step {
	my ($self) = @_;
	eval { $self->{inot}->poll }; # Linux::Inotify2::poll
	warn "$self->{inot}->poll err: $@\n" if $@;
}

1;
debug log:

solving ffceda66530 ...
found ffceda66530 in public-inbox.git

user/dev discussion of public-inbox itself

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://public-inbox.org/meta
	git clone --mirror http://czquwvybam4bgbro.onion/meta
	git clone --mirror http://hjrcffqmbrq6wope.onion/meta
	git clone --mirror http://ou63pmih66umazou.onion/meta

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V1 meta meta/ https://public-inbox.org/meta \
		meta@public-inbox.org
	public-inbox-index meta

Example config snippet for mirrors.
Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.mail.public-inbox.meta
	nntp://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/inbox.comp.mail.public-inbox.meta
	nntp://ie5yzdi7fg72h7s4sdcztq5evakq23rdt33mfyfcddc5u3ndnw24ogqd.onion/inbox.comp.mail.public-inbox.meta
	nntp://4uok3hntl7oi7b4uf4rtfwefqeexfzil2w6kgk2jn5z2f764irre7byd.onion/inbox.comp.mail.public-inbox.meta
	nntp://news.gmane.io/gmane.mail.public-inbox.general
 note: .onion URLs require Tor: https://www.torproject.org/

code repositories for project(s) associated with this inbox:

	https://80x24.org/public-inbox.git

AGPL code for this site: git clone https://public-inbox.org/public-inbox.git