1 # Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
3 # based on notmuch, but with no concept of folders, files or flags
5 # Indexes mail with Xapian and our (SQLite-based) ::Msgmap for use
6 # with the web and NNTP interfaces. This index maintains thread
7 # relationships for use by PublicInbox::SearchThread.
8 # This writes to the search index.
9 package PublicInbox::SearchIdx;
12 use Fcntl qw(:flock :DEFAULT);
13 use PublicInbox::MIME;
14 use base qw(PublicInbox::Search);
15 use PublicInbox::MID qw/mid_clean id_compress mid_mime mids references/;
16 use PublicInbox::MsgIter;
18 use POSIX qw(strftime);
19 require PublicInbox::Git;
24 OLD_PERM_EVERYBODY => 2,
26 PERM_EVERYBODY => 0664,
27 BATCH_BYTES => 1_000_000,
28 DEBUG => !!$ENV{DEBUG},
43 return $s unless ($s =~ /\A"(.*)"\z/);
45 $s =~ s/\\([abfnrtv])/$GIT_ESC{$1}/g;
46 $s =~ s/\\([0-7]{1,3})/chr(oct($1))/ge;
51 my ($class, $ibx, $creat, $part) = @_;
52 my $mainrepo = $ibx; # for "public-inbox-index" w/o entry in config
53 my $git_dir = $mainrepo;
57 $mainrepo = $ibx->{mainrepo};
58 $altid = $ibx->{altid};
59 $version = $ibx->{version} || 1;
61 require PublicInbox::AltId;
63 PublicInbox::AltId->new($ibx, $_);
68 $git = PublicInbox::Git->new($git_dir); # v1 only
70 require Search::Xapian::WritableDatabase;
72 mainrepo => $mainrepo,
77 my $perm = $self->_git_config_perm;
78 my $umask = _umask_for($perm);
79 $self->{umask} = $umask;
81 $self->{lock_path} = "$mainrepo/ssoma.lock";
82 } elsif ($version == 2) {
83 defined $part or die "partition is required for v2\n";
84 # partition is a number or "all"
85 $self->{partition} = $part;
86 $self->{lock_path} = undef;
87 $self->{msgmap_path} = "$mainrepo/msgmap.sqlite3";
89 die "unsupported inbox version=$version\n";
91 $self->{creat} = ($creat || 0) == 1;
97 my $xdb = delete $self->{xdb} or croak 'not acquired';
99 _lock_release($self) if $self->{creat};
105 croak 'already acquired' if $self->{xdb};
106 my $dir = $self->xdir;
107 my $flag = Search::Xapian::DB_OPEN;
108 if ($self->{creat}) {
110 _lock_acquire($self);
111 File::Path::mkpath($dir);
112 $flag = Search::Xapian::DB_CREATE_OR_OPEN;
114 $self->{xdb} = Search::Xapian::WritableDatabase->new($dir, $flag);
117 # we only acquire the flock if creating or reindexing;
118 # PublicInbox::Import already has the lock on its own.
121 croak 'already locked' if $self->{lockfh};
122 my $lock_path = $self->{lock_path} or return;
123 sysopen(my $lockfh, $lock_path, O_WRONLY|O_CREAT) or
124 die "failed to open lock $lock_path: $!\n";
125 flock($lockfh, LOCK_EX) or die "lock failed: $!\n";
126 $self->{lockfh} = $lockfh;
131 return unless $self->{lock_path};
132 my $lockfh = delete $self->{lockfh} or croak 'not locked';
133 flock($lockfh, LOCK_UN) or die "unlock failed: $!\n";
134 close $lockfh or die "close failed: $!\n";
138 my ($doc, $col, $num) = @_;
139 $num = Search::Xapian::sortable_serialise($num);
140 $doc->add_value($col, $num);
143 sub add_values ($$) {
144 my ($doc, $values) = @_;
146 my $ts = $values->[PublicInbox::Search::TS];
147 add_val($doc, PublicInbox::Search::TS, $ts);
149 my $num = $values->[PublicInbox::Search::NUM];
150 defined($num) and add_val($doc, PublicInbox::Search::NUM, $num);
152 my $bytes = $values->[PublicInbox::Search::BYTES];
153 defined($bytes) and add_val($doc, PublicInbox::Search::BYTES, $bytes);
155 my $lines = $values->[PublicInbox::Search::LINES];
156 add_val($doc, PublicInbox::Search::LINES, $lines);
158 my $yyyymmdd = strftime('%Y%m%d', gmtime($ts));
159 add_val($doc, PublicInbox::Search::YYYYMMDD, $yyyymmdd);
162 sub index_users ($$) {
163 my ($tg, $smsg) = @_;
165 my $from = $smsg->from;
169 $tg->index_text($from, 1, 'A'); # A - author
170 $tg->increase_termpos;
171 $tg->index_text($to, 1, 'XTO') if $to ne '';
172 $tg->increase_termpos;
173 $tg->index_text($cc, 1, 'XCC') if $cc ne '';
174 $tg->increase_termpos;
177 sub index_diff_inc ($$$$) {
178 my ($tg, $text, $pfx, $xnq) = @_;
180 $tg->index_text(join("\n", @$xnq), 1, 'XNQ');
181 $tg->increase_termpos;
184 $tg->index_text($text, 1, $pfx);
185 $tg->increase_termpos;
188 sub index_old_diff_fn {
189 my ($tg, $seen, $fa, $fb, $xnq) = @_;
191 # no renames or space support for traditional diffs,
192 # find the number of leading common paths to strip:
193 my @fa = split('/', $fa);
194 my @fb = split('/', $fb);
195 while (scalar(@fa) && scalar(@fb)) {
196 $fa = join('/', @fa);
197 $fb = join('/', @fb);
199 unless ($seen->{$fa}++) {
200 index_diff_inc($tg, $fa, 'XDFN', $xnq);
210 sub index_diff ($$$) {
211 my ($tg, $lines, $doc) = @_;
217 if ($in_diff && s/^ //) { # diff context
218 index_diff_inc($tg, $_, 'XDFCTX', $xnq);
219 } elsif (/^-- $/) { # email signature begins
221 } elsif (m!^diff --git ("?a/.+) ("?b/.+)\z!) {
222 my ($fa, $fb) = ($1, $2);
223 my $fn = (split('/', git_unquote($fa), 2))[1];
224 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
225 $fn = (split('/', git_unquote($fb), 2))[1];
226 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
229 } elsif (m/^diff -(.+) (\S+) (\S+)$/) {
230 my ($opt, $fa, $fb) = ($1, $2, $3);
232 # only support unified:
233 next unless $opt =~ /[uU]/;
234 $in_diff = index_old_diff_fn($tg, \%seen, $fa, $fb,
236 } elsif (m!^--- ("?a/.+)!) {
237 my $fn = (split('/', git_unquote($1), 2))[1];
238 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
240 } elsif (m!^\+\+\+ ("?b/.+)!) {
241 my $fn = (split('/', git_unquote($1), 2))[1];
242 $seen{$fn}++ or index_diff_inc($tg, $fn, 'XDFN', $xnq);
244 } elsif (/^--- (\S+)/) {
247 } elsif (defined $in_diff && /^\+\+\+ (\S+)/) {
248 $in_diff = index_old_diff_fn($tg, \%seen, $in_diff, $1,
250 } elsif ($in_diff && s/^\+//) { # diff added
251 index_diff_inc($tg, $_, 'XDFB', $xnq);
252 } elsif ($in_diff && s/^-//) { # diff removed
253 index_diff_inc($tg, $_, 'XDFA', $xnq);
254 } elsif (m!^index ([a-f0-9]+)\.\.([a-f0-9]+)!) {
255 my ($ba, $bb) = ($1, $2);
256 index_git_blob_id($doc, 'XDFPRE', $ba);
257 index_git_blob_id($doc, 'XDFPOST', $bb);
259 } elsif (/^@@ (?:\S+) (?:\S+) @@\s*$/) {
260 # traditional diff w/o -p
261 } elsif (/^@@ (?:\S+) (?:\S+) @@\s*(\S+.*)$/) {
262 # hunk header context
263 index_diff_inc($tg, $1, 'XDFHH', $xnq);
264 # ignore the following lines:
265 } elsif (/^(?:dis)similarity index/ ||
266 /^(?:old|new) mode/ ||
267 /^(?:deleted|new) file mode/ ||
268 /^(?:copy|rename) (?:from|to) / ||
269 /^(?:dis)?similarity index / ||
270 /^\\ No newline at end of file/ ||
271 /^Binary files .* differ/) {
277 warn "non-diff line: $_\n" if DEBUG && $_ ne '';
282 $tg->index_text(join("\n", @xnq), 1, 'XNQ');
283 $tg->increase_termpos;
286 sub index_body ($$$) {
287 my ($tg, $lines, $doc) = @_;
288 my $txt = join("\n", @$lines);
290 # does it look like a diff?
291 if ($txt =~ /^(?:diff|---|\+\+\+) /ms) {
293 index_diff($tg, $lines, $doc);
295 $tg->index_text($txt, 1, 'XNQ');
298 $tg->index_text($txt, 0, 'XQUOT');
300 $tg->increase_termpos;
305 # mime = Email::MIME object
306 my ($self, $mime, $bytes, $num, $oid, $mid0) = @_;
308 my $mids = mids($mime->header_obj);
309 my $skel = $self->{skeleton};
312 my $smsg = PublicInbox::SearchMsg->new($mime);
313 my $doc = $smsg->{doc};
314 my $subj = $smsg->subject;
317 $xpath = $self->subject_path($subj);
318 $xpath = id_compress($xpath);
321 my $lines = $mime->body_raw =~ tr!\n!\n!;
322 my @values = ($smsg->ts, $num, $bytes, $lines);
323 add_values($doc, \@values);
325 my $tg = $self->term_generator;
327 $tg->set_document($doc);
328 $tg->index_text($subj, 1, 'S') if $subj;
329 $tg->increase_termpos;
331 index_users($tg, $smsg);
333 msg_iter($mime, sub {
334 my ($part, $depth, @idx) = @{$_[0]};
335 my $ct = $part->content_type || 'text/plain';
336 my $fn = $part->filename;
337 if (defined $fn && $fn ne '') {
338 $tg->index_text($fn, 1, 'XFN');
341 return if $ct =~ m!\btext/x?html\b!i;
343 my $s = eval { $part->body_str };
345 if ($ct =~ m!\btext/plain\b!i) {
346 # Try to assume UTF-8 because Alpine
347 # seems to do wacky things and set
349 $part->charset_set('UTF-8');
350 $s = eval { $part->body_str };
351 $s = $part->body if $@;
354 defined $s or return;
357 my $body = $part->body;
358 my @lines = split(/\n/, $body);
359 while (defined(my $l = shift @lines)) {
361 index_body($tg, \@orig, $doc) if @orig;
364 index_body($tg, \@quot, 0) if @quot;
368 index_body($tg, \@quot, 0) if @quot;
369 index_body($tg, \@orig, $doc) if @orig;
372 # populates smsg->references for smsg->to_doc_data
373 my $refs = parse_references($smsg);
374 $mid0 = $mids->[0] unless defined $mid0;
375 my $data = $smsg->to_doc_data($oid, $mid0);
376 foreach my $mid (@$mids) {
377 $tg->index_text($mid, 1, 'XM');
379 $doc->set_data($data);
380 if (my $altid = $self->{-altid}) {
381 foreach my $alt (@$altid) {
382 my $pfx = $alt->{xprefix};
383 foreach my $mid (@$mids) {
384 my $id = $alt->mid2alt($mid);
385 next unless defined $id;
386 $doc->add_boolean_term($pfx . $id);
392 push @values, $mids, $xpath, $data;
393 $skel->index_skeleton(\@values);
394 $doc->add_boolean_term('Q' . $_) foreach @$mids;
395 $doc_id = $self->{xdb}->add_document($doc);
397 $doc_id = link_and_save($self, $doc, $mids, $refs,
403 warn "failed to index message <".join('> <',@$mids).">: $@\n";
410 my ($self, $termval, $cb) = @_;
411 my $batch_size = 1000; # don't let @ids grow too large to avoid OOM
413 my ($head, $tail) = $self->find_doc_ids($termval);
414 return if $head == $tail;
416 for (; $head != $tail && @ids < $batch_size; $head->inc) {
417 push @ids, $head->get_docid;
424 my ($self, $mid) = @_;
425 my $db = $self->{xdb};
427 $mid = mid_clean($mid);
430 batch_do($self, 'Q' . $mid, sub {
432 $db->delete_document($_) for @$ids;
437 warn "failed to remove message <$mid>: $@\n";
439 warn "cannot remove non-existent <$mid>\n";
443 # MID is a hint in V2
445 my ($self, $oid, $mid) = @_;
446 my $db = $self->{xdb};
448 # XXX careful, we cannot use batch_do here since we conditionally
449 # delete documents based on other factors, so we cannot call
450 # find_doc_ids twice.
451 my ($head, $tail) = $self->find_doc_ids('Q' . $mid);
452 return if $head == $tail;
454 # there is only ONE element in @delete unless we
455 # have bugs in our v2writable deduplication check
457 for (; $head != $tail; $head->inc) {
458 my $docid = $head->get_docid;
459 my $doc = $db->get_document($docid);
460 my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
462 push(@delete, $docid) if $smsg->{blob} eq $oid;
464 $db->delete_document($_) foreach @delete;
468 sub term_generator { # write-only
471 my $tg = $self->{term_generator};
474 $tg = Search::Xapian::TermGenerator->new;
475 $tg->set_stemmer($self->stemmer);
477 $self->{term_generator} = $tg;
480 # increments last_thread_id counter
481 # returns a 64-bit integer represented as a decimal string
484 my $db = $self->{xdb};
485 my $last_thread_id = int($db->get_metadata('last_thread_id') || 0);
487 $db->set_metadata('last_thread_id', ++$last_thread_id);
492 sub parse_references ($) {
494 my $mime = $smsg->{mime};
495 my $hdr = $mime->header_obj;
496 my $refs = references($hdr);
497 return $refs if scalar(@$refs) == 0;
499 # prevent circular references via References here:
500 my %mids = map { $_ => 1 } @{mids($hdr)};
502 foreach my $ref (@$refs) {
503 if (length($ref) > PublicInbox::MID::MAX_MID_SIZE) {
504 warn "References: <$ref> too long, ignoring\n";
510 $smsg->{references} = '<'.join('> <', @keep).'>' if @keep;
515 my ($self, $doc, $refs, $old_tid) = @_;
519 # first ref *should* be the thread root,
520 # but we can never trust clients to do the right thing
521 my $ref = shift @$refs;
522 $tid = resolve_mid_to_tid($self, $ref);
523 merge_threads($self, $tid, $old_tid) if defined $old_tid;
525 # the rest of the refs should point to this tid:
526 foreach $ref (@$refs) {
527 my $ptid = resolve_mid_to_tid($self, $ref);
528 merge_threads($self, $tid, $ptid);
531 $tid = defined $old_tid ? $old_tid : $self->next_thread_id;
533 $doc->add_boolean_term('G' . $tid);
538 my ($self, $doc, $mids, $refs, $num, $xpath) = @_;
539 my $db = $self->{xdb};
542 $doc->add_boolean_term('XNUM' . $num) if defined $num;
543 $doc->add_boolean_term('XPATH' . $xpath) if defined $xpath;
544 $doc->add_boolean_term('Q' . $_) foreach @$mids;
547 foreach my $mid (@$mids) {
548 $self->each_smsg_by_mid($mid, sub {
550 my $type = $cur->type;
551 my $cur_tid = $cur->thread_id;
552 $old_tid = $cur_tid unless defined $old_tid;
553 if ($type eq 'mail') {
554 # do not break existing mail messages,
555 # just merge the threads
556 merge_threads($self, $old_tid, $cur_tid);
559 if ($type ne 'ghost') {
560 die "<$mid> has a bad type: $type\n";
562 my $tid = link_doc($self, $doc, $refs, $old_tid);
563 $old_tid = $tid unless defined $old_tid;
564 $doc_id = $cur->{doc_id};
565 $self->{xdb}->replace_document($doc_id, $doc);
570 # not really important, but we return any vivified ghost docid, here:
571 return $doc_id if defined $doc_id;
572 link_doc($self, $doc, $refs, $old_tid);
573 $self->{xdb}->add_document($doc);
576 sub index_git_blob_id {
577 my ($doc, $pfx, $objid) = @_;
579 my $len = length($objid);
580 for (my $len = length($objid); $len >= 7; ) {
581 $doc->add_term($pfx.$objid);
582 $objid = substr($objid, 0, --$len);
587 my ($self, $mime) = @_;
588 my $mid = eval { mid_clean(mid_mime($mime)) };
589 $self->remove_message($mid) if defined $mid;
593 my ($self, $mime) = @_;
594 my $mid = mid_clean(mid_mime($mime));
595 my $mm = $self->{mm};
596 my $num = $mm->mid_insert($mid);
597 return $num if defined $num;
599 # fallback to num_for since filters like RubyLang set the number
604 my ($self, $mime) = @_;
605 $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
609 my ($self, $mime, $bytes, $blob) = @_;
610 my $num = $self->{mm}->num_for(mid_clean(mid_mime($mime)));
611 add_message($self, $mime, $bytes, $num, $blob);
615 my ($self, $mime) = @_;
616 $self->{mm}->mid_delete(mid_clean(mid_mime($mime)));
617 unindex_blob($self, $mime);
621 my ($self, $mime, $bytes, $blob) = @_;
622 my $num = index_mm($self, $mime);
623 add_message($self, $mime, $bytes, $num, $blob);
627 my ($self, $mime) = @_;
628 unindex_blob($self, $mime);
629 unindex_mm($self, $mime);
633 my ($git, $blob, $sizeref) = @_;
635 my $str = $git->cat_file($blob, $sizeref);
636 # fixup bugs from import:
637 $$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
638 PublicInbox::MIME->new($str);
644 my ($self, $opts) = @_;
645 with_umask($self, sub { $self->_index_sync($opts) });
648 sub batch_adjust ($$$$) {
649 my ($max, $bytes, $batch_cb, $latest) = @_;
653 $batch_cb->($latest, 1);
659 my ($self, $log, $add_cb, $del_cb, $batch_cb) = @_;
660 my $hex = '[a-f0-9]';
661 my $h40 = $hex .'{40}';
662 my $addmsg = qr!^:000000 100644 \S+ ($h40) A\t${hex}{2}/${hex}{38}$!;
663 my $delmsg = qr!^:100644 000000 ($h40) \S+ D\t${hex}{2}/${hex}{38}$!;
664 my $git = $self->{git};
667 my $max = BATCH_BYTES;
670 while (defined($line = <$log>)) {
671 if ($line =~ /$addmsg/o) {
673 my $mime = do_cat_mail($git, $blob, \$bytes) or next;
674 batch_adjust(\$max, $bytes, $batch_cb, $latest);
675 $add_cb->($self, $mime, $bytes, $blob);
676 } elsif ($line =~ /$delmsg/o) {
678 my $mime = do_cat_mail($git, $blob, \$bytes) or next;
679 batch_adjust(\$max, $bytes, $batch_cb, $latest);
680 $del_cb->($self, $mime);
681 } elsif ($line =~ /^commit ($h40)/o) {
685 $batch_cb->($latest, 0);
690 $self->{mm} ||= eval {
691 require PublicInbox::Msgmap;
692 my $msgmap_path = $self->{msgmap_path};
693 if (defined $msgmap_path) { # v2
694 PublicInbox::Msgmap->new_file($msgmap_path, 1);
696 PublicInbox::Msgmap->new($self->{mainrepo}, 1);
702 my ($self, $range) = @_;
703 $self->{git}->popen(qw/log --reverse --no-notes --no-color
704 --raw -r --no-abbrev/, $range);
707 # indexes all unindexed messages
709 my ($self, $opts) = @_;
710 my $tip = $opts->{ref} || 'HEAD';
711 my $reindex = $opts->{reindex};
712 my ($mkey, $last_commit, $lx, $xlog);
713 $self->{git}->batch_prepare;
714 my $xdb = _xdb_acquire($self);
715 $xdb->begin_transaction;
718 $mkey = 'last_commit';
719 $last_commit = $xdb->get_metadata('last_commit');
723 $mkey = undef if $last_commit ne '';
725 $xdb->cancel_transaction;
726 $xdb = _xdb_release($self);
728 # ensure we leak no FDs to "git log"
729 my $range = $lx eq '' ? $tip : "$lx..$tip";
730 $xlog = _git_log($self, $range);
732 $xdb = _xdb_acquire($self);
733 $xdb->begin_transaction;
734 } while ($xdb->get_metadata('last_commit') ne $last_commit);
736 my $mm = _msgmap_init($self);
737 my $dbh = $mm->{dbh} if $mm;
740 my ($commit, $more) = @_;
742 $mm->last_commit($commit) if $commit;
746 $xdb->set_metadata($mkey, $commit) if $mkey && $commit;
747 $xdb->commit_transaction;
748 $xdb = _xdb_release($self);
750 # let another process do some work... <
753 $xdb = _xdb_acquire($self);
754 $xdb->begin_transaction;
756 $dbh->begin_work if $dbh;
762 my $lm = $mm->last_commit || '';
764 # Common case is the indexes are synced,
765 # we only need to run git-log once:
766 rlog($self, $xlog, *index_both, *unindex_both, $cb);
768 # Uncommon case, msgmap and xapian are out-of-sync
769 # do not care for performance (but git is fast :>)
770 # This happens if we have to reindex Xapian since
771 # msgmap is a frozen format and our Xapian format
773 my $r = $lm eq '' ? $tip : "$lm..$tip";
775 # first, ensure msgmap is up-to-date:
776 my $mkey_prev = $mkey;
777 $mkey = undef; # ignore xapian, for now
778 my $mlog = _git_log($self, $r);
780 rlog($self, $mlog, *index_mm, *unindex_mm, $cb);
781 $mm_only = $mlog = undef;
783 # now deal with Xapian
786 rlog($self, $xlog, *index_mm2, *unindex_mm2, $cb);
789 # user didn't install DBD::SQLite and DBI
790 rlog($self, $xlog, *add_message, *unindex_blob, $cb);
794 # this will create a ghost as necessary
795 sub resolve_mid_to_tid {
796 my ($self, $mid) = @_;
798 $self->each_smsg_by_mid($mid, sub {
800 my $cur_tid = $smsg->thread_id;
802 merge_threads($self, $tid, $cur_tid);
804 $tid = $smsg->thread_id;
808 return $tid if defined $tid;
810 $self->create_ghost($mid)->thread_id;
814 my ($self, $mid) = @_;
816 my $tid = $self->next_thread_id;
817 my $doc = Search::Xapian::Document->new;
818 $doc->add_boolean_term('Q' . $mid);
819 $doc->add_boolean_term('G' . $tid);
820 $doc->add_boolean_term('T' . 'ghost');
822 my $smsg = PublicInbox::SearchMsg->wrap($doc, $mid);
823 $self->{xdb}->add_document($doc);
829 my ($self, $winner_tid, $loser_tid) = @_;
830 return if $winner_tid == $loser_tid;
831 my $db = $self->{xdb};
832 batch_do($self, 'G' . $loser_tid, sub {
834 foreach my $docid (@$ids) {
835 my $doc = $db->get_document($docid);
836 $doc->remove_term('G' . $loser_tid);
837 $doc->add_boolean_term('G' . $winner_tid);
838 $db->replace_document($docid, $doc);
843 sub _read_git_config_perm {
845 my @cmd = qw(config);
846 if ($self->{version} == 2) {
847 push @cmd, "--file=$self->{mainrepo}/all.git/config";
849 my $fh = $self->{git}->popen(@cmd, 'core.sharedRepository');
852 chomp $perm if defined $perm;
856 sub _git_config_perm {
858 my $perm = scalar @_ ? $_[0] : _read_git_config_perm($self);
859 return PERM_GROUP if (!defined($perm) || $perm eq '');
860 return PERM_UMASK if ($perm eq 'umask');
861 return PERM_GROUP if ($perm eq 'group');
862 if ($perm =~ /\A(?:all|world|everybody)\z/) {
863 return PERM_EVERYBODY;
865 return PERM_GROUP if ($perm =~ /\A(?:true|yes|on|1)\z/);
866 return PERM_UMASK if ($perm =~ /\A(?:false|no|off|0)\z/);
869 return PERM_UMASK if ($i == PERM_UMASK);
870 return PERM_GROUP if ($i == OLD_PERM_GROUP);
871 return PERM_EVERYBODY if ($i == OLD_PERM_EVERYBODY);
873 if (($i & 0600) != 0600) {
874 die "core.sharedRepository mode invalid: ".
875 sprintf('%.3o', $i) . "\nOwner must have permissions\n";
881 my ($perm) = @_; # _git_config_perm return value
883 return umask if $rv == 0;
885 # set +x bit if +r or +w were set
886 $rv |= 0100 if ($rv & 0600);
887 $rv |= 0010 if ($rv & 0060);
888 $rv |= 0001 if ($rv & 0006);
893 my ($self, $cb) = @_;
894 my $old = umask $self->{umask};
895 my $rv = eval { $cb->() };
903 # order matters for unlocking
904 $_[0]->{xdb} = undef;
905 $_[0]->{lockfh} = undef;
908 # remote_* subs are only used by SearchIdxPart and SearchIdxSkeleton
911 print { $self->{w} } "commit\n" or die "failed to write commit: $!";
916 my $pid = delete $self->{pid} or die "no process to wait on\n";
917 my $w = delete $self->{w} or die "no pipe to write to\n";
918 print $w "close\n" or die "failed to write to pid:$pid: $!\n";
919 close $w or die "failed to close pipe for pid:$pid: $!\n";
920 waitpid($pid, 0) == $pid or die "remote process did not finish";
921 $? == 0 or die ref($self)." pid:$pid exited with: $?";
924 # triggers remove_by_oid in partition or skeleton
926 my ($self, $oid, $mid) = @_;
927 print { $self->{w} } "D $oid $mid\n" or
928 die "failed to write remove $!";