#!/usr/bin/perl -w
# Copyright (C) 2015 all contributors
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
# 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 GIT_DIR
use strict;
use warnings;
use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
use Cwd 'abs_path';
my $usage = "public-inbox-index GIT_DIR";
use PublicInbox::Config;
my $config = eval { PublicInbox::Config->new } || eval {
warn "public-inbox unconfigured for serving, indexing anyways...\n";
{}
};
eval { require PublicInbox::SearchIdx };
if ($@) {
print STDERR "Search::Xapian required for $0\n";
exit 1;
}
my $reindex;
my %opts = ( '--reindex' => \$reindex );
GetOptions(%opts) or die "bad command-line args\n$usage";
my @dirs;
sub resolve_git_dir {
my ($cd) = @_;
my @cmd = qw(git rev-parse --git-dir);
my $cmd = join(' ', @cmd);
my $pid = open my $fh, '-|';
defined $pid or die "forking $cmd failed: $!\n";
if ($pid == 0) {
if (defined $cd) {
chdir $cd or die "chdir $cd failed: $!\n";
}
exec @cmd;
die "Failed to exec $cmd: $!\n";
} else {
my $dir = eval {
local $/;
<$fh>;
};
close $fh or die "error in $cmd: $!\n";
chomp $dir;
return abs_path($cd) if ($dir eq '.' && defined $cd);
abs_path($dir);
}
}
if (@ARGV) {
@dirs = map { resolve_git_dir($_) } @ARGV;
} else {
@dirs = (resolve_git_dir());
}
sub usage { print STDERR "Usage: $usage\n"; exit 1 }
usage() unless @dirs;
foreach my $k (keys %$config) {
$k =~ /\Apublicinbox\.([^\.]+)\.mainrepo\z/ or next;
my $name = $1;
my $v = $config->{$k};
for my $i (0..$#dirs) {
next if $dirs[$i] ne $v;
my $ibx = $config->lookup_name($name);
$dirs[$i] = $ibx if $ibx;
}
}
foreach my $dir (@dirs) {
index_dir($dir);
}
sub index_dir {
my ($git_dir) = @_;
if (!ref $git_dir && ! -d $git_dir) {
die "$git_dir does not appear to be a git repository\n";
}
my $s = PublicInbox::SearchIdx->new($git_dir, 1);
$s->index_sync({ reindex => $reindex });
}