X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/58141a0ebcdf3313a83af712b83f8acd1c08aa3b..71d2d930272bcdba0b5d2671506e2386ea416632:/IkiWiki/UserInfo.pm

diff --git a/IkiWiki/UserInfo.pm b/IkiWiki/UserInfo.pm
index 115a263ce..ba6f3d3a9 100644
--- a/IkiWiki/UserInfo.pm
+++ b/IkiWiki/UserInfo.pm
@@ -15,12 +15,19 @@ sub userinfo_retrieve () { #{{{
 sub userinfo_store ($) { #{{{
 	my $userinfo=shift;
 	
+	my $newfile="$config{wikistatedir}/userdb.new";
 	my $oldmask=umask(077);
-	my $ret=Storable::lock_store($userinfo, "$config{wikistatedir}/userdb");
+	my $ret=Storable::lock_store($userinfo, $newfile);
 	umask($oldmask);
+	if (defined $ret && $ret) {
+		if (! rename($newfile, "$config{wikistatedir}/userdb")) {
+			unlink($newfile);
+			$ret=undef;
+		}
+	}
 	return $ret;
 } #}}}
-	
+
 sub userinfo_get ($$) { #{{{
 	my $user=shift;
 	my $field=shift;
@@ -151,7 +158,6 @@ sub send_commit_mails ($$$@) { #{{{
 		defined(my $pid = fork) or error("Can't fork: $!");
 		return if $pid;
 		setsid() or error("Can't start a new session: $!");
-		eval q{use POSIX 'setsid'};
 		chdir '/';
 		open STDIN, '/dev/null';
 		open STDOUT, '>/dev/null';