-# Copyright (C) 2015, all contributors <meta@public-inbox.org>
+# Copyright (C) 2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
# based on notmuch, but with no concept of folders, files or flags
+#
+# Indexes mail with Xapian and our (SQLite-based) ::Msgmap for use
+# with the web and NNTP interfaces. This index maintains thread
+# relationships for use by PublicInbox::SearchThread.
+# This writes to the search index.
package PublicInbox::SearchIdx;
use strict;
use warnings;
+use Fcntl qw(:flock :DEFAULT);
+use PublicInbox::MIME;
+use Email::MIME::ContentType;
+$Email::MIME::ContentType::STRICT_PARAMS = 0;
use base qw(PublicInbox::Search);
-use PublicInbox::MID qw/mid_clean mid_compress/;
-*xpfx = *PublicInbox::Search::xpfx;
+use PublicInbox::MID qw/mid_clean id_compress mid_mime/;
+use PublicInbox::MsgIter;
+use Carp qw(croak);
+use POSIX qw(strftime);
+require PublicInbox::Git;
use constant {
+ MAX_MID_SIZE => 244, # max term size - 1 in Xapian
PERM_UMASK => 0,
OLD_PERM_GROUP => 1,
OLD_PERM_EVERYBODY => 2,
PERM_GROUP => 0660,
PERM_EVERYBODY => 0664,
+ BATCH_BYTES => 1_000_000,
+ DEBUG => !!$ENV{DEBUG},
};
+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, $git_dir, $writable) = @_;
- my $dir = $class->xdir($git_dir);
+ my ($class, $inbox, $creat) = @_;
+ my $git_dir = $inbox;
+ my $altid;
+ if (ref $inbox) {
+ $git_dir = $inbox->{mainrepo};
+ $altid = $inbox->{altid};
+ if ($altid) {
+ require PublicInbox::AltId;
+ $altid = [ map {
+ PublicInbox::AltId->new($inbox, $_);
+ } @$altid ];
+ }
+ }
require Search::Xapian::WritableDatabase;
- my $flag = Search::Xapian::DB_OPEN;
- my $self = bless { git_dir => $git_dir }, $class;
+ my $self = bless { git_dir => $git_dir, -altid => $altid }, $class;
my $perm = $self->_git_config_perm;
my $umask = _umask_for($perm);
$self->{umask} = $umask;
- $self->{xdb} = $self->with_umask(sub {
- if ($writable == 1) {
- require File::Path;
- File::Path::mkpath($dir);
- $flag = Search::Xapian::DB_CREATE_OR_OPEN;
- }
- Search::Xapian::WritableDatabase->new($dir, $flag);
- });
+ $self->{lock_path} = "$git_dir/ssoma.lock";
+ $self->{git} = PublicInbox::Git->new($git_dir);
+ $self->{creat} = ($creat || 0) == 1;
$self;
}
+sub _xdb_release {
+ my ($self) = @_;
+ my $xdb = delete $self->{xdb} or croak 'not acquired';
+ $xdb->close;
+ _lock_release($self) if $self->{creat};
+ undef;
+}
+
+sub _xdb_acquire {
+ my ($self) = @_;
+ croak 'already acquired' if $self->{xdb};
+ my $dir = PublicInbox::Search->xdir($self->{git_dir});
+ my $flag = Search::Xapian::DB_OPEN;
+ if ($self->{creat}) {
+ require File::Path;
+ _lock_acquire($self);
+ File::Path::mkpath($dir);
+ $flag = Search::Xapian::DB_CREATE_OR_OPEN;
+ }
+ $self->{xdb} = Search::Xapian::WritableDatabase->new($dir, $flag);
+}
+
+# we only acquire the flock if creating or reindexing;
+# PublicInbox::Import already has the lock on its own.
+sub _lock_acquire {
+ my ($self) = @_;
+ croak 'already locked' if $self->{lockfh};
+ sysopen(my $lockfh, $self->{lock_path}, O_WRONLY|O_CREAT) or
+ die "failed to open lock $self->{lock_path}: $!\n";
+ flock($lockfh, LOCK_EX) or die "lock failed: $!\n";
+ $self->{lockfh} = $lockfh;
+}
+
+sub _lock_release {
+ my ($self) = @_;
+ my $lockfh = delete $self->{lockfh} or croak 'not locked';
+ flock($lockfh, LOCK_UN) or die "unlock failed: $!\n";
+ close $lockfh or die "close failed: $!\n";
+}
+
+sub add_val ($$$) {
+ my ($doc, $col, $num) = @_;
+ $num = Search::Xapian::sortable_serialise($num);
+ $doc->add_value($col, $num);
+}
+
+sub add_values ($$$) {
+ my ($smsg, $bytes, $num) = @_;
+
+ my $ts = $smsg->ts;
+ my $doc = $smsg->{doc};
+ add_val($doc, &PublicInbox::Search::TS, $ts);
+
+ defined($num) and add_val($doc, &PublicInbox::Search::NUM, $num);
+
+ defined($bytes) and add_val($doc, &PublicInbox::Search::BYTES, $bytes);
+
+ add_val($doc, &PublicInbox::Search::LINES,
+ $smsg->{mime}->body_raw =~ tr!\n!\n!);
+
+ my $yyyymmdd = strftime('%Y%m%d', gmtime($ts));
+ add_val($doc, PublicInbox::Search::YYYYMMDD, $yyyymmdd);
+}
+
+sub index_users ($$) {
+ my ($tg, $smsg) = @_;
+
+ my $from = $smsg->from;
+ my $to = $smsg->to;
+ my $cc = $smsg->cc;
+
+ $tg->index_text($from, 1, 'A'); # A - author
+ $tg->increase_termpos;
+ $tg->index_text($to, 1, 'XTO') if $to ne '';
+ $tg->increase_termpos;
+ $tg->index_text($cc, 1, 'XCC') if $cc ne '';
+ $tg->increase_termpos;
+}
+
+sub index_text_inc ($$$) {
+ my ($tg, $text, $pfx) = @_;
+ $tg->index_text($text, 1, $pfx);
+ $tg->increase_termpos;
+}
+
+sub index_old_diff_fn {
+ my ($tg, $seen, $fa, $fb) = @_;
+
+ # no renames or space support for traditional diffs,
+ # find the number of leading common paths to strip:
+ my @fa = split('/', $fa);
+ my @fb = split('/', $fb);
+ while (scalar(@fa) && scalar(@fb)) {
+ $fa = join('/', @fa);
+ $fb = join('/', @fb);
+ if ($fa eq $fb) {
+ index_text_inc($tg, $fa,'XDFN') unless $seen->{$fa}++;
+ return 1;
+ }
+ shift @fa;
+ shift @fb;
+ }
+ 0;
+}
+
+sub index_diff ($$$) {
+ my ($tg, $lines, $doc) = @_;
+ my %seen;
+ my $in_diff;
+ foreach (@$lines) {
+ if ($in_diff && s/^ //) { # diff context
+ index_text_inc($tg, $_, 'XDFCTX');
+ } elsif (/^-- $/) { # email signature begins
+ $in_diff = undef;
+ } elsif (m!^diff --git ("?a/.+) ("?b/.+)\z!) {
+ my ($fa, $fb) = ($1, $2);
+ my $fn = (split('/', git_unquote($fa), 2))[1];
+ index_text_inc($tg, $fn, 'XDFN') unless $seen{$fn}++;
+ $fn = (split('/', git_unquote($fb), 2))[1];
+ index_text_inc($tg, $fn, 'XDFN') unless $seen{$fn}++;
+ $in_diff = 1;
+ # traditional diff:
+ } elsif (m/^diff -(.+) (\S+) (\S+)$/) {
+ my ($opt, $fa, $fb) = ($1, $2, $3);
+ # only support unified:
+ next unless $opt =~ /[uU]/;
+ $in_diff = index_old_diff_fn($tg, \%seen, $fa, $fb);
+ } elsif (m!^--- ("?a/.+)!) {
+ my $fn = (split('/', git_unquote($1), 2))[1];
+ index_text_inc($tg, $fn, 'XDFN') unless $seen{$fn}++;
+ $in_diff = 1;
+ } elsif (m!^\+\+\+ ("?b/.+)!) {
+ my $fn = (split('/', git_unquote($1), 2))[1];
+ index_text_inc($tg, $fn, 'XDFN') unless $seen{$fn}++;
+ $in_diff = 1;
+ } elsif (/^--- (\S+)/) {
+ $in_diff = $1;
+ } elsif (defined $in_diff && /^\+\+\+ (\S+)/) {
+ $in_diff = index_old_diff_fn($tg, \%seen, $in_diff, $1);
+ } elsif ($in_diff && s/^\+//) { # diff added
+ index_text_inc($tg, $_, 'XDFB');
+ } elsif ($in_diff && s/^-//) { # diff removed
+ index_text_inc($tg, $_, 'XDFA');
+ } elsif (m!^index ([a-f0-9]+)\.\.([a-f0-9]+)!) {
+ my ($ba, $bb) = ($1, $2);
+ index_git_blob_id($doc, 'XDFPRE', $ba);
+ index_git_blob_id($doc, 'XDFPOST', $bb);
+ $in_diff = 1;
+ } elsif (/^@@ (?:\S+) (?:\S+) @@\s*$/) {
+ # traditional diff w/o -p
+ } elsif (/^@@ (?:\S+) (?:\S+) @@\s*(\S+.*)$/) {
+ # hunk header context
+ index_text_inc($tg, $1, 'XDFHH');
+ # ignore the following lines:
+ } elsif (/^(?:dis)similarity index/) {
+ } elsif (/^(?:old|new) mode/) {
+ } elsif (/^(?:deleted|new) file mode/) {
+ } elsif (/^(?:copy|rename) (?:from|to) /) {
+ } elsif (/^(?:dis)?similarity index /) {
+ } elsif (/^\\ No newline at end of file/) {
+ } elsif (/^Binary files .* differ/) {
+ } elsif ($_ eq '') {
+ $in_diff = undef;
+ } else {
+ warn "non-diff line: $_\n" if DEBUG && $_ ne '';
+ $in_diff = undef;
+ }
+ }
+}
+
+sub index_body ($$$) {
+ my ($tg, $lines, $doc) = @_;
+ my $txt = join("\n", @$lines);
+ $tg->index_text($txt, !!$doc, $doc ? 'XNQ' : 'XQUOT');
+ $tg->increase_termpos;
+ # does it look like a diff?
+ if ($doc && $txt =~ /^(?:diff|---|\+\+\+) /ms) {
+ $txt = undef;
+ index_diff($tg, $lines, $doc);
+ }
+ @$lines = ();
+}
+
sub add_message {
- my ($self, $mime) = @_; # mime = Email::MIME object
+ my ($self, $mime, $bytes, $num, $blob) = @_; # mime = Email::MIME object
my $db = $self->{xdb};
- my $doc_id;
- my $mid_orig = mid_clean($mime->header('Message-ID'));
- my $mid = mid_compress($mid_orig);
- my $was_ghost = 0;
- my $ct_msg = $mime->header('Content-Type') || 'text/plain';
+ my ($doc_id, $old_tid);
+ my $mid = mid_clean(mid_mime($mime));
eval {
+ die 'Message-ID too long' if length($mid) > MAX_MID_SIZE;
my $smsg = $self->lookup_message($mid);
- my $doc;
-
if ($smsg) {
- $smsg->ensure_metadata;
# convert a ghost to a regular message
# it will also clobber any existing regular message
- $smsg->mime($mime);
- $doc = $smsg->{doc};
-
- my $type = xpfx('type');
- eval {
- $doc->remove_term($type . 'ghost');
- $was_ghost = 1;
- };
-
- # probably does not exist:
- eval { $doc->remove_term($type . 'mail') };
- $doc->add_term($type . 'mail');
- } else {
- $smsg = PublicInbox::SearchMsg->new($mime);
- $doc = $smsg->{doc};
- $doc->add_term(xpfx('mid') . $mid);
+ $doc_id = $smsg->{doc_id};
+ $old_tid = $smsg->thread_id;
}
+ $smsg = PublicInbox::SearchMsg->new($mime);
+ my $doc = $smsg->{doc};
+ $doc->add_term('Q' . $mid);
my $subj = $smsg->subject;
-
if ($subj ne '') {
- $doc->add_term(xpfx('subject') . $subj);
-
my $path = $self->subject_path($subj);
- $doc->add_term(xpfx('path') . mid_compress($path));
+ $doc->add_term('XPATH' . id_compress($path));
}
- my $from = $smsg->from_name;
- my $date = $smsg->date;
- my $ts = Search::Xapian::sortable_serialise($smsg->ts);
- $doc->add_value(PublicInbox::Search::TS, $ts);
+ add_values($smsg, $bytes, $num);
my $tg = $self->term_generator;
$tg->set_document($doc);
$tg->index_text($subj, 1, 'S') if $subj;
$tg->increase_termpos;
- $tg->index_text($subj) if $subj;
- $tg->increase_termpos;
- $tg->index_text($smsg->from->format);
- $tg->increase_termpos;
+ index_users($tg, $smsg);
- $mime->walk_parts(sub {
- my ($part) = @_;
- return if $part->subparts; # walk_parts already recurses
- my $ct = $part->content_type || $ct_msg;
+ msg_iter($mime, sub {
+ my ($part, $depth, @idx) = @{$_[0]};
+ my $ct = $part->content_type || 'text/plain';
+ my $fn = $part->filename;
+ if (defined $fn && $fn ne '') {
+ $tg->index_text($fn, 1, 'XFN');
+ }
- # account for filter bugs...
- $ct =~ m!\btext/plain\b!i or return;
+ 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 $@;
+ }
+ }
+ defined $s or return;
my (@orig, @quot);
my $body = $part->body;
- $part->body_set('');
my @lines = split(/\n/, $body);
while (defined(my $l = shift @lines)) {
- if ($l =~ /^\s*>/) {
+ if ($l =~ /^>/) {
+ index_body($tg, \@orig, $doc) if @orig;
push @quot, $l;
} else {
+ index_body($tg, \@quot, 0) if @quot;
push @orig, $l;
}
}
- if (@quot) {
- $tg->index_text(join("\n", @quot), 0);
- @quot = ();
- $tg->increase_termpos;
- }
- if (@orig) {
- $tg->index_text(join("\n", @orig));
- @orig = ();
- $tg->increase_termpos;
- }
+ index_body($tg, \@quot, 0) if @quot;
+ index_body($tg, \@orig, $doc) if @orig;
});
- if ($was_ghost) {
- $doc_id = $smsg->doc_id;
- $self->link_message($smsg, 0);
- $doc->set_data($smsg->to_doc_data);
+ link_message($self, $smsg, $old_tid);
+ $tg->index_text($mid, 1, 'XMID');
+ $doc->set_data($smsg->to_doc_data($blob));
+
+ if (my $altid = $self->{-altid}) {
+ foreach my $alt (@$altid) {
+ my $id = $alt->mid2alt($mid);
+ next unless defined $id;
+ $doc->add_term($alt->{xprefix} . $id);
+ }
+ }
+ if (defined $doc_id) {
$db->replace_document($doc_id, $doc);
} else {
- $self->link_message($smsg, 0);
- $doc->set_data($smsg->to_doc_data);
$doc_id = $db->add_document($doc);
}
};
if ($@) {
- warn "failed to index message <$mid_orig>: $@\n";
+ warn "failed to index message <$mid>: $@\n";
return undef;
}
$doc_id;
# returns deleted doc_id on success, undef on missing
sub remove_message {
- my ($self, $mid_orig) = @_;
+ my ($self, $mid) = @_;
my $db = $self->{xdb};
my $doc_id;
- $mid_orig = mid_clean($mid_orig);
- my $mid = mid_compress($mid_orig);
+ $mid = mid_clean($mid);
eval {
- $doc_id = $self->find_unique_doc_id('mid', $mid);
- $db->delete_document($doc_id) if defined $doc_id;
+ $doc_id = $self->find_unique_doc_id('Q' . $mid);
+ if (defined $doc_id) {
+ $db->delete_document($doc_id);
+ } else {
+ warn "cannot remove non-existent <$mid>\n";
+ }
};
if ($@) {
- warn "failed to remove message <$mid_orig>: $@\n";
+ warn "failed to remove message <$mid>: $@\n";
return undef;
}
$doc_id;
$self->{term_generator} = $tg;
}
-sub next_doc_id { $_[0]->{xdb}->get_lastdocid + 1 }
-
# increments last_thread_id counter
# returns a 64-bit integer represented as a hex string
sub next_thread_id {
}
sub link_message {
- my ($self, $smsg, $is_ghost) = @_;
-
- if ($is_ghost) {
- $smsg->ensure_metadata;
- } else {
- $self->link_message_to_parents($smsg);
- }
-}
-
-sub link_message_to_parents {
- my ($self, $smsg) = @_;
+ my ($self, $smsg, $old_tid) = @_;
my $doc = $smsg->{doc};
- my $mid = mid_compress($smsg->mid);
- my $mime = $smsg->mime;
- my $refs = $mime->header('References');
- my @refs = $refs ? ($refs =~ /<([^>]+)>/g) : ();
- my $irt = $mime->header('In-Reply-To');
- if ($irt) {
- $irt = mid_compress(mid_clean($irt));
-
- # maybe some crazies will try to make a circular reference:
- if ($irt eq $mid) {
- $irt = undef;
- } else {
- # last References should be $irt
- # we will de-dupe later
- push @refs, $irt;
- }
- }
+ my $mid = $smsg->mid;
+ my $mime = $smsg->{mime};
+ my $hdr = $mime->header_obj;
+
+ # last References should be IRT, but some mail clients do things
+ # out of order, so trust IRT over References iff IRT exists
+ my @refs = ($hdr->header_raw('References'),
+ $hdr->header_raw('In-Reply-To'));
+ @refs = ((join(' ', @refs)) =~ /<([^>]+)>/g);
my $tid;
if (@refs) {
- my @crefs = map { mid_compress($_) } @refs;
my %uniq = ($mid => 1);
+ my @orig_refs = @refs;
+ @refs = ();
# prevent circular references via References: here:
- @refs = ();
- foreach my $ref (@crefs) {
+ foreach my $ref (@orig_refs) {
+ if (length($ref) > MAX_MID_SIZE) {
+ warn "References: <$ref> too long, ignoring\n";
+ }
next if $uniq{$ref};
$uniq{$ref} = 1;
push @refs, $ref;
}
}
- if (@refs) {
- $doc->add_term(xpfx('inreplyto') . $irt) if defined $irt;
- $smsg->{references_sorted} = '<'.join('><', @refs).'>';
- my $ref_pfx = xpfx('references');
+ if (@refs) {
+ $smsg->{references} = '<'.join('> <', @refs).'>';
# first ref *should* be the thread root,
# but we can never trust clients to do the right thing
my $ref = shift @refs;
- $doc->add_term($ref_pfx . $ref);
$tid = $self->_resolve_mid_to_tid($ref);
+ $self->merge_threads($tid, $old_tid) if defined $old_tid;
# the rest of the refs should point to this tid:
foreach $ref (@refs) {
- $doc->add_term($ref_pfx . $ref);
my $ptid = $self->_resolve_mid_to_tid($ref);
- if ($tid ne $ptid) {
- $self->merge_threads($tid, $ptid);
- }
+ merge_threads($self, $tid, $ptid);
}
} else {
- $tid = $self->next_thread_id;
+ $tid = defined $old_tid ? $old_tid : $self->next_thread_id;
}
- $doc->add_term(xpfx('thread') . $tid);
+ $doc->add_term('G' . $tid);
}
sub index_blob {
- my ($self, $git, $blob) = @_;
- my $mime = do_cat_mail($git, $blob) or return;
- eval { $self->add_message($mime) };
- warn "W: index_blob $blob: $@\n" if $@;
+ my ($self, $mime, $bytes, $num, $blob) = @_;
+ $self->add_message($mime, $bytes, $num, $blob);
+}
+
+sub index_git_blob_id {
+ my ($doc, $pfx, $objid) = @_;
+
+ my $len = length($objid);
+ for (my $len = length($objid); $len >= 7; ) {
+ $doc->add_term($pfx.$objid);
+ $objid = substr($objid, 0, --$len);
+ }
}
sub unindex_blob {
- my ($self, $git, $blob) = @_;
- my $mime = do_cat_mail($git, $blob) or return;
- my $mid = $mime->header('Message-ID');
- eval { $self->remove_message($mid) } if defined $mid;
- warn "W: unindex_blob $blob: $@\n" if $@;
+ my ($self, $mime) = @_;
+ my $mid = eval { mid_clean(mid_mime($mime)) };
+ $self->remove_message($mid) if defined $mid;
+}
+
+sub index_mm {
+ my ($self, $mime) = @_;
+ $self->{mm}->mid_insert(mid_clean(mid_mime($mime)));
+}
+
+sub unindex_mm {
+ my ($self, $mime) = @_;
+ $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
+}
+
+sub index_mm2 {
+ my ($self, $mime, $bytes, $blob) = @_;
+ my $num = $self->{mm}->num_for(mid_clean(mid_mime($mime)));
+ index_blob($self, $mime, $bytes, $num, $blob);
+}
+
+sub unindex_mm2 {
+ my ($self, $mime) = @_;
+ $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
+ unindex_blob($self, $mime);
+}
+
+sub index_both {
+ my ($self, $mime, $bytes, $blob) = @_;
+ my $num = index_mm($self, $mime);
+ index_blob($self, $mime, $bytes, $num, $blob);
+}
+
+sub unindex_both {
+ my ($self, $mime) = @_;
+ unindex_blob($self, $mime);
+ unindex_mm($self, $mime);
}
sub do_cat_mail {
- my ($git, $blob) = @_;
+ my ($git, $blob, $sizeref) = @_;
my $mime = eval {
- my $str = $git->cat_file($blob);
- Email::MIME->new($str);
+ my $str = $git->cat_file($blob, $sizeref);
+ # fixup bugs from import:
+ $$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
+ PublicInbox::MIME->new($str);
};
$@ ? undef : $mime;
}
sub index_sync {
- my ($self, $head) = @_;
- $self->with_umask(sub { $self->_index_sync($head) });
+ my ($self, $opts) = @_;
+ with_umask($self, sub { $self->_index_sync($opts) });
}
-# indexes all unindexed messages
-sub _index_sync {
- my ($self, $head) = @_;
- require PublicInbox::GitCatFile;
- my $db = $self->{xdb};
+sub batch_adjust ($$$$) {
+ my ($max, $bytes, $batch_cb, $latest) = @_;
+ $$max -= $bytes;
+ if ($$max <= 0) {
+ $$max = BATCH_BYTES;
+ $batch_cb->($latest, 1);
+ }
+}
+
+sub rlog {
+ my ($self, $log, $add_cb, $del_cb, $batch_cb) = @_;
my $hex = '[a-f0-9]';
my $h40 = $hex .'{40}';
my $addmsg = qr!^:000000 100644 \S+ ($h40) A\t${hex}{2}/${hex}{38}$!;
my $delmsg = qr!^:100644 000000 ($h40) \S+ D\t${hex}{2}/${hex}{38}$!;
- $head ||= 'HEAD';
+ my $git = $self->{git};
+ my $latest;
+ my $bytes;
+ my $max = BATCH_BYTES;
+ local $/ = "\n";
+ my $line;
+ while (defined($line = <$log>)) {
+ if ($line =~ /$addmsg/o) {
+ my $blob = $1;
+ my $mime = do_cat_mail($git, $blob, \$bytes) or next;
+ batch_adjust(\$max, $bytes, $batch_cb, $latest);
+ $add_cb->($self, $mime, $bytes, $blob);
+ } elsif ($line =~ /$delmsg/o) {
+ my $blob = $1;
+ my $mime = do_cat_mail($git, $blob, \$bytes) or next;
+ batch_adjust(\$max, $bytes, $batch_cb, $latest);
+ $del_cb->($self, $mime);
+ } elsif ($line =~ /^commit ($h40)/o) {
+ $latest = $1;
+ }
+ }
+ $batch_cb->($latest, 0);
+}
- $db->begin_transaction;
- eval {
- my $git = PublicInbox::GitCatFile->new($self->{git_dir});
-
- my $latest = $db->get_metadata('last_commit');
- my $range = $latest eq '' ? $head : "$latest..$head";
- $latest = undef;
-
- # get indexed messages
- my @cmd = ('git', "--git-dir=$self->{git_dir}", "log",
- qw/--reverse --no-notes --no-color --raw -r
- --no-abbrev/, $range);
- my $pid = open(my $log, '-|', @cmd) or
- die('open` '.join(' ', @cmd) . " pipe failed: $!\n");
-
- while (my $line = <$log>) {
- if ($line =~ /$addmsg/o) {
- $self->index_blob($git, $1);
- } elsif ($line =~ /$delmsg/o) {
- $self->unindex_blob($git, $1);
- } elsif ($line =~ /^commit ($h40)/o) {
- $latest = $1;
+sub _msgmap_init {
+ my ($self) = @_;
+ $self->{mm} = eval {
+ require PublicInbox::Msgmap;
+ PublicInbox::Msgmap->new($self->{git_dir}, 1);
+ };
+}
+
+sub _git_log {
+ my ($self, $range) = @_;
+ $self->{git}->popen(qw/log --reverse --no-notes --no-color
+ --raw -r --no-abbrev/, $range);
+}
+
+# indexes all unindexed messages
+sub _index_sync {
+ my ($self, $opts) = @_;
+ my $tip = $opts->{ref} || 'HEAD';
+ my $reindex = $opts->{reindex};
+ my ($mkey, $last_commit, $lx, $xlog);
+ $self->{git}->batch_prepare;
+ my $xdb = _xdb_acquire($self);
+ $xdb->begin_transaction;
+ 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 '';
+ }
+ $xdb->cancel_transaction;
+ $xdb = _xdb_release($self);
+
+ # ensure we leak no FDs to "git log"
+ my $range = $lx eq '' ? $tip : "$lx..$tip";
+ $xlog = _git_log($self, $range);
+
+ $xdb = _xdb_acquire($self);
+ $xdb->begin_transaction;
+ } while ($xdb->get_metadata('last_commit') ne $last_commit);
+
+ my $mm = _msgmap_init($self);
+ my $dbh = $mm->{dbh} if $mm;
+ my $mm_only;
+ my $cb = sub {
+ my ($commit, $more) = @_;
+ if ($dbh) {
+ $mm->last_commit($commit) if $commit;
+ $dbh->commit;
+ }
+ if (!$mm_only) {
+ $xdb->set_metadata($mkey, $commit) if $mkey && $commit;
+ $xdb->commit_transaction;
+ $xdb = _xdb_release($self);
+ }
+ # let another process do some work... <
+ if ($more) {
+ if (!$mm_only) {
+ $xdb = _xdb_acquire($self);
+ $xdb->begin_transaction;
}
+ $dbh->begin_work if $dbh;
}
- close $log;
- $db->set_metadata('last_commit', $latest) if defined $latest;
};
- if ($@) {
- warn "indexing failed: $@\n";
- $db->cancel_transaction;
+
+ if ($mm) {
+ $dbh->begin_work;
+ my $lm = $mm->last_commit || '';
+ if ($lm eq $lx) {
+ # Common case is the indexes are synced,
+ # we only need to run git-log once:
+ rlog($self, $xlog, *index_both, *unindex_both, $cb);
+ } else {
+ # Uncommon case, msgmap and xapian are out-of-sync
+ # do not care for performance (but git is fast :>)
+ # This happens if we have to reindex Xapian since
+ # msgmap is a frozen format and our Xapian format
+ # is evolving.
+ my $r = $lm eq '' ? $tip : "$lm..$tip";
+
+ # first, ensure msgmap is up-to-date:
+ my $mkey_prev = $mkey;
+ $mkey = undef; # ignore xapian, for now
+ my $mlog = _git_log($self, $r);
+ $mm_only = 1;
+ rlog($self, $mlog, *index_mm, *unindex_mm, $cb);
+ $mm_only = $mlog = undef;
+
+ # now deal with Xapian
+ $mkey = $mkey_prev;
+ $dbh = undef;
+ rlog($self, $xlog, *index_mm2, *unindex_mm2, $cb);
+ }
} else {
- $db->commit_transaction;
+ # user didn't install DBD::SQLite and DBI
+ rlog($self, $xlog, *index_blob, *unindex_blob, $cb);
}
}
}
sub create_ghost {
- my ($self, $mid, $tid) = @_;
-
- $mid = mid_compress($mid);
- $tid = $self->next_thread_id unless defined $tid;
+ my ($self, $mid) = @_;
+ my $tid = $self->next_thread_id;
my $doc = Search::Xapian::Document->new;
- $doc->add_term(xpfx('mid') . $mid);
- $doc->add_term(xpfx('thread') . $tid);
- $doc->add_term(xpfx('type') . 'ghost');
+ $doc->add_term('Q' . $mid);
+ $doc->add_term('G' . $tid);
+ $doc->add_term('T' . 'ghost');
my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
- $self->link_message($smsg, 1);
$self->{xdb}->add_document($doc);
$smsg;
sub merge_threads {
my ($self, $winner_tid, $loser_tid) = @_;
- my ($head, $tail) = $self->find_doc_ids('thread', $loser_tid);
- my $thread_pfx = xpfx('thread');
+ return if $winner_tid == $loser_tid;
+ my ($head, $tail) = $self->find_doc_ids('G' . $loser_tid);
my $db = $self->{xdb};
for (; $head != $tail; $head->inc) {
my $docid = $head->get_docid;
my $doc = $db->get_document($docid);
- $doc->remove_term($thread_pfx . $loser_tid);
- $doc->add_term($thread_pfx . $winner_tid);
+ $doc->remove_term('G' . $loser_tid);
+ $doc->add_term('G' . $winner_tid);
$db->replace_document($docid, $doc);
}
}
sub _read_git_config_perm {
my ($self) = @_;
- my @cmd = ('git', "--git-dir=$self->{git_dir}",
- qw(config core.sharedRepository));
- my $pid = open(my $fh, '-|', @cmd) or
- die('open `'.join(' ', @cmd) . " pipe failed: $!\n");
+ my @cmd = qw(config core.sharedRepository);
+ my $fh = PublicInbox::Git->new($self->{git_dir})->popen(@cmd);
+ local $/ = "\n";
my $perm = <$fh>;
- close $fh;
chomp $perm if defined $perm;
$perm;
}
my $rv = eval { $cb->() };
my $err = $@;
umask $old;
- die $err if $@;
+ die $err if $err;
$rv;
}
+sub DESTROY {
+ # order matters for unlocking
+ $_[0]->{xdb} = undef;
+ $_[0]->{lockfh} = undef;
+}
+
1;