1 files changed, 94 insertions, 0 deletions
diff --git a/script/public-inbox-compact b/script/public-inbox-compact
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+#!/usr/bin/perl -w
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
+use PublicInbox::V2Writable;
+use PublicInbox::Search;
+use PublicInbox::Config;
+use Cwd 'abs_path';
+use File::Temp qw(tempdir);
+use File::Path qw(remove_tree);
+use PublicInbox::Spawn qw(spawn);
+my $usage = "Usage: public-inbox-compact REPO_DIR\n";
+my $dir = shift or die $usage;
+my $config = PublicInbox::Config->new;
+my $ibx;
+$config->each_inbox(sub {
+        $ibx = $_[0] if abs_path($_[0]->{mainrepo}) eq $dir
+});
+unless ($ibx) {
+        warn "W: $dir not configured in ".
+                PublicInbox::Config::default_file() . "\n";
+        $ibx = {
+                mainrepo => $dir,
+                name => 'ignored',
+                address => [ 'old@example.com' ],
+        };
+        $ibx = PublicInbox::Inbox->new($ibx);
+}
+my $v = ($ibx->{version} || 1);
+if ($v == 2) {
+        require PublicInbox::V2Writable;
+        my $v2w = PublicInbox::V2Writable->new($ibx);
+        my $xap_v = 'xap'.PublicInbox::Search::SCHEMA_VERSION;
+        my $xroot = "$ibx->{mainrepo}/$xap_v";
+        opendir my $dh, $xroot or die "Failed to opendir $xroot: $!\n";
+        $v2w->lock_acquire;
+        my $new = tempdir(CLEANUP => 1, DIR => $ibx->{mainrepo});
+        my @parts;
+        my $skel;
+        while (defined(my $dn = readdir($dh))) {
+                if ($dn =~ /\A\d+\z/) {
+                        push @parts, "$xroot/$dn";
+                } elsif ($dn eq 'skel') {
+                        $skel = "$xroot/$dn";
+                } elsif ($dn eq '.' || $dn eq '..') {
+                } else {
+                        warn "W: skipping unknown Xapian DB: $xroot/$dn\n";
+                }
+        }
+        close $dh;
+        my %pids;
+        if (@parts) {
+                my $pid = spawn([ qw(xapian-compact), @parts, "$new/0" ]);
+                defined $pid or die "compact failed: $?\n";
+                $pids{$pid} = 'xapian-compact (parts)';
+        } else {
+                warn "No parts found in $xroot\n";
+        }
+        if (defined $skel) {
+                my $pid = spawn([ qw(xapian-compact), $skel, "$new/skel" ]);
+                defined $pid or die "compact failed: $?\n";
+                $pids{$pid} = 'xapian-compact (skel)';
+        } else {
+                warn "$xroot/skel missing\n";
+        }
+        die "No xapian-compact processes running\n" unless scalar keys %pids;
+        while (scalar keys %pids) {
+                my $pid = waitpid(-1, 0);
+                my $desc = delete $pids{$pid};
+                die "$desc failed: $?\n" if $?;
+        }
+        rename($xroot, "$new/old") or die "rename $xroot => $new/old: $!\n";
+        rename($new, $xroot) or die "rename $new => $xroot: $!\n";
+        $v2w->lock_release;
+        remove_tree("$xroot/old") or die "failed to remove $xroot/old: $!\n";
+} elsif ($v == 1) {
+        require PublicInbox::Import;
+        my $im = PublicInbox::Import->new($ibx->git, undef, undef, $ibx);
+        my $xap_v = 'xapian'.PublicInbox::Search::SCHEMA_VERSION;
+        my $v1_root = "$ibx->{mainrepo}/public-inbox";
+        my $old = "$v1_root/$xap_v";
+        -d $old or die "$old does not exist\n";
+        my $new = tempdir(CLEANUP => 1, DIR => $v1_root);
+        $im->lock_acquire;
+        PublicInbox::Import::run_die([ qw(xapian-compact), $old, $new ]);
+        rename($old, "$new/old") or die "rename $old => $new: $!\n";
+        rename($new, $old) or die "rename $new => $old: $!\n";
+        $im->lock_release;
+        remove_tree("$old/old") or die "failed to remove $old/old: $!\n";
+} else {
+        die "Unsupported inbox version: $v\n";
+}