user/dev discussion of public-inbox itself
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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: [PATCH 24/26] xapcmd: cleanup on interrupted xcpdb "--compact"
Date: Thu, 23 May 2019 09:37:02 +0000
Message-ID: <20190523093704.18367-25-e@80x24.org> (raw)
In-Reply-To: <20190523093704.18367-1-e@80x24.org>

We should not have leftover junk on interrupted invocations.
---
 lib/PublicInbox/Xapcmd.pm | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/PublicInbox/Xapcmd.pm b/lib/PublicInbox/Xapcmd.pm
index 74abf99..5b6d06b 100644
--- a/lib/PublicInbox/Xapcmd.pm
+++ b/lib/PublicInbox/Xapcmd.pm
@@ -247,7 +247,16 @@ sub cpdb ($$) {
 	my ($args, $opt) = @_;
 	my ($old, $new) = @$args;
 	my $src = Search::Xapian::Database->new($old);
-	my $tmp = $opt->{compact} ? "$new.compact" : $new;
+	my ($xtmp, $tmp);
+	if ($opt->{compact}) {
+		my $newdir = dirname($new);
+		same_fs_or_die($newdir, $new);
+		$tmp = tempdir("$new.compact-XXXXXX", DIR => $newdir);
+		$xtmp = PublicInbox::Xtmpdirs->new;
+		$xtmp->{$new} = $tmp;
+	} else {
+		$tmp = $new;
+	}
 
 	# like copydatabase(1), be sure we don't overwrite anything in case
 	# of other bugs:
@@ -295,7 +304,7 @@ sub cpdb ($$) {
 	} while (cpdb_retryable($src, $pfx));
 
 	$pr->(sprintf($fmt, $nr)) if $pr;
-	return unless $opt->{compact};
+	return unless $xtmp;
 
 	$src = $dst = undef; # flushes and closes
 
@@ -303,6 +312,7 @@ sub cpdb ($$) {
 	# since $dst isn't readable by HTTP or NNTP clients, yet:
 	compact([ $tmp, $new ], $opt);
 	remove_tree($tmp) or die "failed to remove $tmp: $!\n";
+	$xtmp->done;
 }
 
 # slightly easier-to-manage manage than END{} blocks
-- 
EW


  parent reply index

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23  9:36 [PATCH 00/26] xcpdb: ease Xapian DB format migrations Eric Wong
2019-05-23  9:36 ` [PATCH 01/26] t/convert-compact: skip on missing xapian-compact(1) Eric Wong
2019-05-23  9:36 ` [PATCH 02/26] v1writable: retire in favor of InboxWritable Eric Wong
2019-05-23  9:36 ` [PATCH 03/26] doc: document the reason for --no-renumber Eric Wong
2019-05-23  9:36 ` [PATCH 04/26] search: reenable phrase search on non-chert Xapian Eric Wong
2019-05-23  9:36 ` [PATCH 05/26] xapcmd: new module for wrapping Xapian commands Eric Wong
2019-05-23  9:36 ` [PATCH 06/26] admin: hoist out resolve_inboxes for -compact and -index Eric Wong
2019-05-23  9:36 ` [PATCH 07/26] xapcmd: support spawn options Eric Wong
2019-05-23  9:36 ` [PATCH 08/26] xcpdb: new tool which wraps Xapian's copydatabase(1) Eric Wong
2019-05-23  9:36 ` [PATCH 09/26] xapcmd: do not cleanup on errors Eric Wong
2019-05-23  9:36 ` [PATCH 10/26] admin: move index_inbox over Eric Wong
2019-05-23  9:36 ` [PATCH 11/26] xcpdb: implement using Perl bindings Eric Wong
2019-05-23  9:36 ` [PATCH 12/26] xapcmd: xcpdb supports compaction Eric Wong
2019-05-23  9:36 ` [PATCH 13/26] v2writable: hoist out log_range sub for readability Eric Wong
2019-05-23  9:36 ` [PATCH 14/26] xcpdb: use fine-grained locking Eric Wong
2019-05-23  9:36 ` [PATCH 15/26] xcpdb: implement progress reporting Eric Wong
2019-05-23  9:36 ` [PATCH 16/26] xcpdb: cleanup error handling and diagnosis Eric Wong
2019-05-23  9:36 ` [PATCH 17/26] xapcmd: avoid EXDEV when finalizing changes Eric Wong
2019-05-23  9:36 ` [PATCH 18/26] doc: xcpdb: update to reflect the current state Eric Wong
2019-05-23  9:36 ` [PATCH 19/26] xapcmd: use "print STDERR" for progress reporting Eric Wong
2019-05-23  9:36 ` [PATCH 20/26] xcpdb: show re-indexing progress Eric Wong
2019-05-23  9:36 ` [PATCH 21/26] xcpdb: remove temporary directories on aborts Eric Wong
2019-05-23  9:37 ` [PATCH 22/26] compact: reuse infrastructure from xcpdb Eric Wong
2019-05-23  9:37 ` [PATCH 23/26] xcpdb|compact: support some xapian-compact switches Eric Wong
2019-05-23  9:37 ` Eric Wong [this message]
2019-05-23  9:37 ` [PATCH 25/26] xcpdb|compact: support --jobs/-j flag like gmake(1) Eric Wong
2019-05-23  9:37 ` [PATCH 26/26] xapcmd: do not reset %SIG until last Xtmpdir is done Eric Wong
2019-05-23 10:37 ` [PATCH 27/26] doc: various updates to reflect current state Eric Wong

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