X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FLeiMirror.pm;h=87abf88c8e1a03f4559b7d0f0251019afb52b7f5;hb=0ec1d189ea5657919662a5acb6bb70b6616c3584;hp=db249eceff64bc759b619ddb4f9c5e6a9cf1f180;hpb=ba1a1efbcd23ab472b3c5c030082a9064462680b;p=public-inbox.git

diff --git a/lib/PublicInbox/LeiMirror.pm b/lib/PublicInbox/LeiMirror.pm
index db249ece..87abf88c 100644
--- a/lib/PublicInbox/LeiMirror.pm
+++ b/lib/PublicInbox/LeiMirror.pm
@@ -1056,7 +1056,8 @@ EOM
 
 	my (undef, $dn, $bn) = File::Spec->splitpath($f);
 	$self->{chg}->{nr_chg} += scalar(@remote) + scalar(@local);
-	atomic_write($dn, $bn, join("\n", @list, ''));
+	my $new = join("\n", @list, '');
+	atomic_write($dn, $bn, $new) if $new ne $old;
 }
 
 # FIXME: this gets confused by single inbox instance w/ global manifest.js.gz