1 # Copyright (C) 2021 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # front-end for the "lei convert" sub-command
5 package PublicInbox::LeiConvert;
8 use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
9 use PublicInbox::LeiOverview;
11 # /^input_/ subs are used by PublicInbox::LeiInput
13 sub input_mbox_cb { # MboxReader callback
14 my ($eml, $self) = @_;
15 my $kw = PublicInbox::MboxReader::mbox_keywords($eml);
16 $eml->header_set($_) for qw(Status X-Status);
17 $self->{wcb}->(undef, { kw => $kw }, $eml);
20 sub input_eml_cb { # used by PublicInbox::LeiInput::input_fh
21 my ($self, $eml) = @_;
22 $self->{wcb}->(undef, {}, $eml);
25 sub input_net_cb { # callback for ->imap_each, ->nntp_each
26 my (undef, undef, $kw, $eml, $self) = @_; # @_[0,1]: url + uid ignored
27 $self->{wcb}->(undef, { kw => $kw }, $eml);
30 sub input_maildir_cb {
31 my (undef, $kw, $eml, $self) = @_; # $_[0] $filename ignored
32 $self->{wcb}->(undef, { kw => $kw }, $eml);
35 sub do_convert { # via wq_do
38 for my $input (@{$self->{inputs}}) {
39 $self->input_path_url($input);
41 delete $self->{lei}->{1};
42 delete $self->{wcb}; # commit
45 sub lei_convert { # the main "lei convert" method
46 my ($lei, @inputs) = @_;
47 $lei->{opt}->{kw} //= 1;
48 $lei->{opt}->{dedupe} //= 'none';
49 my $self = bless {}, __PACKAGE__;
50 my $ovv = PublicInbox::LeiOverview->new($lei, 'out-format');
52 $lei->fail("output not specified or is not a mail destination");
53 $lei->{opt}->{augment} = 1 unless $ovv->{dst} eq '/dev/stdout';
54 $self->prepare_inputs($lei, \@inputs) or return;
55 my $op = $lei->workers_start($self, 'lei_convert', 1);
57 $self->wq_io_do('do_convert', []);
59 while ($op && $op->{sock}) { $op->event_step }
62 sub ipc_atfork_child {
64 my $lei = $self->{lei};
65 $lei->_lei_atfork_child;
66 my $l2m = delete $lei->{l2m};
67 if (my $net = $lei->{net}) { # may prompt user once
68 $net->{mics_cached} = $net->imap_common_init($lei);
69 $net->{nn_cached} = $net->nntp_common_init($lei);
71 $SIG{__WARN__} = PublicInbox::Eml::warn_ignore_cb();
72 $l2m->pre_augment($lei);
73 $l2m->do_augment($lei);
74 $l2m->post_augment($lei);
75 $self->{wcb} = $l2m->write_cb($lei);
76 $self->SUPER::ipc_atfork_child;