#!/usr/bin/perl -w
# Copyright (C) 2015-2018 all contributors
# License: AGPL-3.0+
# Basic tool to create a Xapian search index for a git repository
# configured for public-inbox.
# Usage with libeatmydata
# highly recommended: eatmydata public-inbox-index REPO_DIR
use strict;
use warnings;
use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
my $usage = "public-inbox-index REPO_DIR";
use PublicInbox::Config;
use PublicInbox::Admin qw(resolve_repo_dir);
my $config = eval { PublicInbox::Config->new } || eval {
warn "public-inbox unconfigured for serving, indexing anyways...\n";
undef;
};
eval { require PublicInbox::SearchIdx };
if ($@) {
print STDERR "Search::Xapian required for $0\n";
exit 1;
}
my $reindex;
my $prune;
my $jobs = undef;
my $indexlevel;
my %opts = (
'--reindex' => \$reindex,
'--jobs|j=i' => \$jobs,
'--prune' => \$prune,
'L|indexlevel=s' => \$indexlevel,
);
GetOptions(%opts) or die "bad command-line args\n$usage";
die "--jobs must be positive\n" if defined $jobs && $jobs < 0;
my @dirs;
if (@ARGV) {
@dirs = map { resolve_repo_dir($_) } @ARGV;
} else {
@dirs = (resolve_repo_dir());
}
sub usage { print STDERR "Usage: $usage\n"; exit 1 }
usage() unless @dirs;
defined($config) and $config->each_inbox(sub {
my ($ibx) = @_;
for my $i (0..$#dirs) {
next if $dirs[$i] ne $ibx->{mainrepo};
$dirs[$i] = $ibx;
}
});
foreach my $dir (@dirs) {
if (!ref($dir)) {
unless (-d $dir) {
die "$dir does not appear to be an inbox repository\n";
}
my $ibx = {
mainrepo => $dir,
name => 'unnamed',
indexlevel => $indexlevel,
version => -f "$dir/inbox.lock" ? 2 : 1,
};
$dir = PublicInbox::Inbox->new($ibx);
} elsif (defined $indexlevel && !defined($dir->{indexlevel})) {
# XXX: users can shoot themselves in the foot, with this...
$dir->{indexlevel} = $indexlevel;
}
index_inbox($dir);
}
sub index_inbox {
my ($repo) = @_;
if (ref($repo) && ($repo->{version} || 1) == 2) {
eval { require PublicInbox::V2Writable };
die "v2 requirements not met: $@\n" if $@;
my $v2w = eval {
PublicInbox::V2Writable->new($repo, {nproc=>$jobs});
};
if (defined $jobs) {
if ($jobs == 0) {
$v2w->{parallel} = 0;
} else {
my $n = $v2w->{partitions};
if ($jobs != ($n + 1)) {
warn
"Unable to respect --jobs=$jobs, inbox was created with $n partitions\n";
}
}
}
local $SIG{__WARN__} = sub {
print STDERR $v2w->{current_info}, ': ', @_;
};
$v2w->index_sync({ reindex => $reindex, prune => $prune });
} else {
my $s = PublicInbox::SearchIdx->new($repo, 1);
$s->index_sync({ reindex => $reindex });
}
}