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an "archives first" approach to mailing lists
blob 2ae92757cac6607ec9c6658df3c221c5900dcddb 3039 bytes (raw)
$ git show viewdiff:script/public-inbox-index	# shows this blob on the CLI

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#!/usr/bin/perl -w
# Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <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 <https://www.flamingspork.com/projects/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);
use Cwd 'abs_path';
my $usage = "public-inbox-index REPO_DIR";
use PublicInbox::Config;
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 $jobs = undef;
my %opts = (
	'--reindex' => \$reindex,
	'--jobs|j=i' => \$jobs,
	'--prune' => \$prune,
);
GetOptions(%opts) or die "bad command-line args\n$usage";
die "--jobs must be positive\n" if defined $jobs && $jobs < 0;

my @dirs;

sub resolve_repo_dir {
	my ($cd) = @_;
	my $prefix = defined $cd ? $cd : './';
	if (-d $prefix && -f "$prefix/inbox.lock") { # v2
		return abs_path($prefix);
	}

	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_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) && -f "$dir/inbox.lock") { # v2
		my $ibx = { mainrepo => $dir, name => 'unnamed' };
		$dir = PublicInbox::Inbox->new($ibx);
	}
	index_dir($dir);
}

sub index_dir {
	my ($repo) = @_;
	if (!ref $repo && ! -d $repo) {
		die "$repo does not appear to be an inbox repository\n";
	}
	if (ref($repo) && ($repo->{version} || 1) == 2) {
		eval { require PublicInbox::V2Writable };
		die "v2 requirements not met: $@\n" if $@;
		my $v2w = eval {
			$jobs and local $ENV{NPROC} = $jobs;
			PublicInbox::V2Writable->new($repo);
		};
		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";
				}
			}
		}
		$v2w->index_sync({ reindex => $reindex, prune => $prune });
	} else {
		my $s = PublicInbox::SearchIdx->new($repo, 1);
		$s->index_sync({ reindex => $reindex });
	}
}

git clone https://public-inbox.org/public-inbox.git
git clone http://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/public-inbox.git