diff options
Diffstat (limited to 'lib/PublicInbox/LeiRefreshMailSync.pm')
| -rw-r--r-- | lib/PublicInbox/LeiRefreshMailSync.pm | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/lib/PublicInbox/LeiRefreshMailSync.pm b/lib/PublicInbox/LeiRefreshMailSync.pm new file mode 100644 index 00000000..dde23274 --- /dev/null +++ b/lib/PublicInbox/LeiRefreshMailSync.pm @@ -0,0 +1,109 @@ +# Copyright (C) 2021 all contributors <meta@public-inbox.org> +# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt> + +# "lei refresh-mail-sync" drops dangling sync information +# and attempts to detect moved files +package PublicInbox::LeiRefreshMailSync; +use strict; +use v5.10.1; +use parent qw(PublicInbox::IPC PublicInbox::LeiInput); +use PublicInbox::LeiImport; +use PublicInbox::InboxWritable qw(eml_from_path); +use PublicInbox::Import; + +sub folder_missing { # may be called by LeiInput + my ($self, $folder) = @_; + $self->{lms}->forget_folders($folder); +} + +sub prune_mdir { # lms->each_src callback + my ($oidbin, $id, $self, $mdir) = @_; + my @try = $$id =~ /:2,[a-zA-Z]*\z/ ? qw(cur new) : qw(new cur); + for (@try) { return if -f "$mdir/$_/$$id" } + # both tries failed + $self->{lms}->clear_src("maildir:$mdir", $id); +} + +sub prune_imap { # lms->each_src callback + my ($oidbin, $uid, $self, $uids, $url) = @_; + return if exists $uids->{$uid}; + $self->{lms}->clear_src($url, $uid); +} + +# detects missed file moves +sub pmdir_cb { # called via LeiPmdir->each_mdir_fn + my ($self, $f, $fl) = @_; + my ($folder, $bn) = ($f =~ m!\A(.+?)/(?:new|cur)/([^/]+)\z!) or + die "BUG: $f was not from a Maildir?"; + substr($folder, 0, 0) = 'maildir:'; # add prefix + return if scalar($self->{lms}->name_oidbin($folder, $bn)); + my $eml = eml_from_path($f) // return; + my $oidbin = $self->{lei}->git_oid($eml)->digest; + $self->{lms}->set_src($oidbin, $folder, \$bn); +} + +sub input_path_url { # overrides PublicInbox::LeiInput::input_path_url + my ($self, $input, @args) = @_; + if ($input =~ /\Amaildir:(.+)/i) { + $self->{lms}->each_src($input, \&prune_mdir, $self, $1); + $self->{lse} //= $self->{lei}->{sto}->search; + # call pmdir_cb (via maildir_each_file -> each_mdir_fn) + PublicInbox::LeiInput::input_path_url($self, $input); + } elsif ($input =~ m!\Aimaps?://!i) { + my $uri = PublicInbox::URIimap->new($input); + if (my $mic = $self->{lei}->{net}->mic_for_folder($uri)) { + my $uids = $mic->search('UID 1:*'); + $uids = +{ map { $_ => undef } @$uids }; + $self->{lms}->each_src($$uri, \&prune_imap, $self, + $uids, $$uri) + } else { + $self->folder_missing($$uri); + } + } else { die "BUG: $input not supported" } + $self->{lei}->sto_barrier_request; +} + +sub lei_refresh_mail_sync { + my ($lei, @folders) = @_; + my $sto = $lei->_lei_store or return $lei->fail(<<EOM); +lei/store uninitialized, see lei-import(1) +EOM + my $lms = $lei->lms or return $lei->fail(<<EOM); +lei mail_sync.sqlite3 uninitialized, see lei-import(1) +EOM + if (defined(my $all = $lei->{opt}->{all})) { + $lms->group2folders($lei, $all, \@folders) or return; + # TODO: handle NNTP servers which delete messages + @folders = grep(!m!\Anntps?://!, @folders); + } else { + $lms->arg2folder($lei, \@folders); # may die + } + $lms->lms_pause; # must be done before fork + $sto->write_prepare($lei); + my $self = bless { missing_ok => 1, lms => $lms }, __PACKAGE__; + $lei->{opt}->{'mail-sync'} = 1; # for prepare_inputs + $self->prepare_inputs($lei, \@folders) or return; + $lei->{-err_type} = 'non-fatal'; + $lei->wq1_start($self); +} + +sub ipc_atfork_child { # needed for PublicInbox::LeiPmdir + my ($self) = @_; + PublicInbox::LeiInput::input_only_atfork_child($self); + $self->{lms}->lms_write_prepare; + undef; +} + +sub _complete_refresh_mail_sync { + my ($lei, @argv) = @_; + my $lms = $lei->lms or return (); + my $match_cb = $lei->complete_url_prepare(\@argv); + my @k = $lms->folders($argv[-1] // undef, 1); + my @m = map { $match_cb->($_) } @k; + @m ? @m : @k +} + +no warnings 'once'; +*net_merge_all_done = \&PublicInbox::LeiInput::input_only_net_merge_all_done; + +1; |