use POSIX qw(strftime);
use PublicInbox::OverIdx;
use PublicInbox::Spawn qw(spawn);
-require PublicInbox::Git;
-use Compress::Zlib qw(compress);
+use PublicInbox::Git qw(git_unquote);
use constant {
BATCH_BYTES => defined($ENV{XAPIAN_FLUSH_THRESHOLD}) ?
my $xapianlevels = qr/\A(?:full|medium)\z/;
-my %GIT_ESC = (
- a => "\a",
- b => "\b",
- f => "\f",
- n => "\n",
- r => "\r",
- t => "\t",
- v => "\013",
-);
-
-sub git_unquote ($) {
- my ($s) = @_;
- return $s unless ($s =~ /\A"(.*)"\z/);
- $s = $1;
- $s =~ s/\\([abfnrtv])/$GIT_ESC{$1}/g;
- $s =~ s/\\([0-7]{1,3})/chr(oct($1))/ge;
- $s;
-}
-
sub new {
my ($class, $ibx, $creat, $part) = @_;
my $levels = qr/\A(?:full|medium|basic)\z/;
die("Invalid indexlevel $ibx->{indexlevel}\n");
}
}
- } else { # v1
+ } else { # FIXME: old tests: old tests
$ibx = { mainrepo => $git_dir, version => 1 };
}
$ibx = PublicInbox::InboxWritable->new($ibx);
- require Search::Xapian::WritableDatabase;
my $self = bless {
mainrepo => $mainrepo,
-inbox => $ibx,
$self;
}
+sub need_xapian ($) { $_[0]->{indexlevel} =~ $xapianlevels }
+
sub _xdb_release {
my ($self) = @_;
- my $xdb = delete $self->{xdb} or croak 'not acquired';
- $xdb->close;
+ if (need_xapian($self)) {
+ my $xdb = delete $self->{xdb} or croak 'not acquired';
+ $xdb->close;
+ }
$self->lock_release if $self->{creat};
undef;
}
sub _xdb_acquire {
my ($self) = @_;
- croak 'already acquired' if $self->{xdb};
+ my $flag;
my $dir = $self->xdir;
- my $flag = Search::Xapian::DB_OPEN;
+ if (need_xapian($self)) {
+ croak 'already acquired' if $self->{xdb};
+ PublicInbox::Search::load_xapian();
+ require Search::Xapian::WritableDatabase;
+ $flag = $self->{creat} ?
+ Search::Xapian::DB_CREATE_OR_OPEN() :
+ Search::Xapian::DB_OPEN();
+ }
if ($self->{creat}) {
require File::Path;
$self->lock_acquire;
- File::Path::mkpath($dir);
- $flag = Search::Xapian::DB_CREATE_OR_OPEN;
+
+ # don't create empty Xapian directories if we don't need Xapian
+ my $is_part = defined($self->{partition});
+ if (!$is_part || ($is_part && need_xapian($self))) {
+ File::Path::mkpath($dir);
+ }
}
+ return unless defined $flag;
$self->{xdb} = Search::Xapian::WritableDatabase->new($dir, $flag);
}
sub add_xapian ($$$$$) {
my ($self, $mime, $num, $oid, $mids, $mid0) = @_;
my $smsg = PublicInbox::SearchMsg->new($mime);
- my $doc = $smsg->{doc};
+ my $doc = Search::Xapian::Document->new;
my $subj = $smsg->subject;
add_val($doc, PublicInbox::Search::TS(), $smsg->ts);
my @ds = gmtime($smsg->ds);
$self->index_text($fn, 1, 'XFN');
}
- return if $ct =~ m!\btext/x?html\b!i;
-
- my $s = eval { $part->body_str };
- if ($@) {
- if ($ct =~ m!\btext/plain\b!i) {
- # Try to assume UTF-8 because Alpine
- # seems to do wacky things and set
- # charset=X-UNKNOWN
- $part->charset_set('UTF-8');
- $s = eval { $part->body_str };
- $s = $part->body if $@;
- }
- }
+ my ($s, undef) = msg_part_text($part, $ct);
defined $s or return;
my (@orig, @quot);
- my $body = $part->body;
- my @lines = split(/\n/, $body);
+ my @lines = split(/\n/, $s);
while (defined(my $l = shift @lines)) {
if ($l =~ /^>/) {
$self->index_body(\@orig, $doc) if @orig;
$num = index_mm($self, $mime);
}
eval {
- if ($self->{indexlevel} =~ $xapianlevels) {
+ if (need_xapian($self)) {
$self->add_xapian($mime, $num, $oid, $mids, $mid0)
}
if (my $over = $self->{over}) {
($db->postlist_begin($termval), $db->postlist_end($termval));
}
+# v1 only
sub batch_do {
my ($self, $termval, $cb) = @_;
my $batch_size = 1000; # don't let @ids grow too large to avoid OOM
}
}
+# v1 only, where $mid is unique
sub remove_message {
my ($self, $mid) = @_;
- my $db = $self->{xdb};
- my $called;
$mid = mid_clean($mid);
- my $over = $self->{over};
+ if (my $over = $self->{over}) {
+ my $nr = eval { $over->remove_oid(undef, $mid) };
+ if ($@) {
+ warn "failed to remove <$mid> from overview: $@\n";
+ } elsif ($nr == 0) {
+ warn "<$mid> missing for removal from overview\n";
+ }
+ }
+ return unless need_xapian($self);
+ my $db = $self->{xdb};
+ my $nr = 0;
eval {
batch_do($self, 'Q' . $mid, sub {
my ($ids) = @_;
$db->delete_document($_) for @$ids;
- $over->delete_articles($ids) if $over;
- $called = 1;
+ $nr = scalar @$ids;
});
};
if ($@) {
- warn "failed to remove message <$mid>: $@\n";
- } elsif (!$called) {
- warn "cannot remove non-existent <$mid>\n";
+ warn "failed to remove <$mid> from Xapian: $@\n";
+ } elsif ($nr == 0) {
+ warn "<$mid> missing for removal from Xapian\n";
}
}
# MID is a hint in V2
sub remove_by_oid {
my ($self, $oid, $mid) = @_;
- my $db = $self->{xdb};
$self->{over}->remove_oid($oid, $mid) if $self->{over};
+ return unless need_xapian($self);
+ my $db = $self->{xdb};
+
# XXX careful, we cannot use batch_do here since we conditionally
# delete documents based on other factors, so we cannot call
# find_doc_ids twice.
for (; $head != $tail; $head->inc) {
my $docid = $head->get_docid;
my $doc = $db->get_document($docid);
- my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
- $smsg->load_expand;
+ my $smsg = PublicInbox::SearchMsg->wrap($mid);
+ $smsg->load_expand($doc);
if ($smsg->{blob} eq $oid) {
push(@delete, $docid);
}
my $blob = $1;
if (delete $D{$blob}) {
if (defined $self->{regen_down}) {
- $self->{regen_down}--;
+ my $num = $self->{regen_down}--;
+ $self->{mm}->num_highwater($num);
}
next;
}
my ($self, $range) = @_;
my $git = $self->{git};
+ if (index($range, '..') < 0) {
+ # don't show annoying git errrors to users who run -index
+ # on empty inboxes
+ $git->qx(qw(rev-parse -q --verify), "$range^0");
+ if ($?) {
+ open my $fh, '<', '/dev/null' or
+ die "failed to open /dev/null: $!\n";
+ return $fh;
+ }
+ }
+
# Count the new files so they can be added newest to oldest
# and still have numbers increasing from oldest to newest
my $fcount = 0;
--raw -r --no-abbrev/, $range);
}
+# --is-ancestor requires git 1.8.0+
sub is_ancestor ($$$) {
my ($git, $cur, $tip) = @_;
return 0 unless $git->check($cur);
($n eq '' || $n > 0);
}
+# The last git commit we indexed with Xapian or SQLite (msgmap)
+# This needs to account for cases where Xapian or SQLite is
+# out-of-date with respect to the other.
+sub _last_x_commit {
+ my ($self, $mm) = @_;
+ my $lm = $mm->last_commit || '';
+ my $lx = '';
+ if (need_xapian($self)) {
+ $lx = $self->{xdb}->get_metadata('last_commit') || '';
+ } else {
+ $lx = $lm;
+ }
+ # Use last_commit from msgmap if it is older or unset
+ if (!$lm || ($lx && $lx && is_ancestor($self->{git}, $lm, $lx))) {
+ $lx = $lm;
+ }
+ $lx;
+}
+
# indexes all unindexed messages (v1 only)
sub _index_sync {
my ($self, $opts) = @_;
my $tip = $opts->{ref} || 'HEAD';
- my $reindex = $opts->{reindex};
- my ($mkey, $last_commit, $lx, $xlog);
+ my ($last_commit, $lx, $xlog);
my $git = $self->{git};
$git->batch_prepare;
my $mm = _msgmap_init($self);
do {
$xlog = undef;
- $mkey = 'last_commit';
- $last_commit = $xdb->get_metadata('last_commit');
- $lx = $last_commit;
- if ($reindex) {
- $lx = '';
- $mkey = undef if $last_commit ne '';
- }
-
- # use last_commit from msgmap if it is older or unset
- my $lm = $mm->last_commit || '';
- if (!$lm || ($lm && $lx && is_ancestor($git, $lm, $lx))) {
- $lx = $lm;
- }
+ $last_commit = _last_x_commit($self, $mm);
+ $lx = $opts->{reindex} ? '' : $last_commit;
$self->{over}->rollback_lazy;
$self->{over}->disconnect;
$git->cleanup;
delete $self->{txn};
- $xdb->cancel_transaction;
+ $xdb->cancel_transaction if $xdb;
$xdb = _xdb_release($self);
# ensure we leak no FDs to "git log" with Xapian <= 1.2
$xlog = _git_log($self, $range);
$xdb = $self->begin_txn_lazy;
- } while ($xdb->get_metadata('last_commit') ne $last_commit);
+ } while (_last_x_commit($self, $mm) ne $last_commit);
my $dbh = $mm->{dbh} if $mm;
my $cb = sub {
}
$dbh->commit;
}
- if ($mkey && $newest && $self->{indexlevel} =~ $xapianlevels) {
- my $cur = $xdb->get_metadata($mkey);
+ if ($newest && need_xapian($self)) {
+ my $cur = $xdb->get_metadata('last_commit');
if (need_update($self, $cur, $newest)) {
- $xdb->set_metadata($mkey, $newest);
+ $xdb->set_metadata('last_commit', $newest);
}
}
$self->commit_txn_lazy;
$self->{-inbox}->with_umask(sub {
my $xdb = $self->{xdb} || $self->_xdb_acquire;
$self->{over}->begin_lazy if $self->{over};
- $xdb->begin_transaction;
+ $xdb->begin_transaction if $xdb;
$self->{txn} = 1;
$xdb;
});
my ($self) = @_;
delete $self->{txn} or return;
$self->{-inbox}->with_umask(sub {
- $self->{xdb}->commit_transaction;
+ if (my $xdb = $self->{xdb}) {
+ $xdb->commit_transaction;
+ }
$self->{over}->commit_lazy if $self->{over};
});
}
sub worker_done {
my ($self) = @_;
- die "$$ $0 xdb not released\n" if $self->{xdb};
+ if (need_xapian($self)) {
+ die "$$ $0 xdb not released\n" if $self->{xdb};
+ }
die "$$ $0 still in transaction\n" if $self->{txn};
}