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#!/usr/bin/env perl
use 5.016;
use strict;
use warnings;
use File::Spec;
use POSIX 'mkfifo';
my $password_command = "rbw get mail.tozt.net doy\@tozt.net";
my $mbsync_config = "$ENV{HOME}/.mbsyncloop";
my $goimapnotify_config = "$ENV{HOME}/.config/imapnotify/tozt.conf";
my ($pw_pipe, $pw_pid, $goimapnotify_pid);
sub cleanup {
unlink($pw_pipe) if $pw_pipe;
kill KILL => -$pw_pid if $pw_pid;
kill KILL => -$goimapnotify_pid if $goimapnotify_pid;
}
$SIG{INT} = $SIG{TERM} = sub { cleanup; exit };
END { cleanup }
my $pw = `$password_command`;
if ($?) {
die "failed to fetch password: command returned $?";
}
pipe(my $goimapnotify_r, my $goimapnotify_w) or die "failed to create unnamed pipe: $!";
$goimapnotify_pid = fork;
die "fork failed: $!" unless defined $goimapnotify_pid;
if (!$goimapnotify_pid) {
setpgrp(0, 0);
close $goimapnotify_r;
while (1) {
open my $fh, '-|', 'goimapnotify', '--conf', $goimapnotify_config or die "couldn't run goimapnotify: $!";
while (<$fh>) {
$goimapnotify_w->print("N\n");
$goimapnotify_w->flush;
}
}
}
close $goimapnotify_w;
$pw_pipe = make_pw_pipe();
$pw_pid = fork;
die "fork failed: $!" unless defined $pw_pid;
if (!$pw_pid) {
$SIG{PIPE} = 'IGNORE';
setpgrp(0, 0);
open my $fh, '>', $pw_pipe or die "couldn't open $pw_pipe";
while (1) {
$fh->print("$pw\n");
$fh->flush;
}
}
my $last_all = 0;
while (1) {
my $now = time;
if (($now - $last_all) >= 14 * 60) {
sync("all");
$last_all = $now;
}
if (idle(15 * 60 - (time - $now))) {
sync("priority");
}
}
sub sync {
my ($channel) = @_;
while (1) {
my $status = system("mbsync -c '$mbsync_config' $channel");
if (!$status) {
system("notmuch new | grep -v '^No new mail\.\$'");
last;
}
sleep 5;
}
}
sub idle {
my ($max_delay) = @_;
my $rin = '';
vec($rin, fileno($goimapnotify_r), 1) = 1;
my $ready = select(my $rout = $rin, undef, undef, $max_delay);
die "failed to read goimapnotify output: $!" if $ready == -1;
if ($ready) {
while (1) {
my $ready = select(my $rout = $rin, undef, undef, 0.01);
die "failed to read goimapnotify output: $!" if $ready == -1;
last unless $ready;
sysread $goimapnotify_r, my $data, 4096;
}
return 1;
}
return 0;
}
sub make_pw_pipe {
my $dir = "/run/user/$>";
if (!-d $dir) {
$dir = File::Spec->tmpdir();
}
my $file = File::Spec->catfile($dir, "mbsyncloop");
unlink($file);
mkfifo($file, 0700) or die "couldn't create $file: $!";
$file
}
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