propigate ikiwiki setup error out

diff --git a/ikiwiki-calendar.in b/ikiwiki-calendar.in
index 6b6f693b3ec838b0a52aa402198880a02e9ebfc9..cdfecff3f3a41e2c5c2ff3d2ef9230eb1453d6df 100755 (executable)
--- a/ikiwiki-calendar.in
+++ b/ikiwiki-calendar.in
@@ -59,4 +59,5 @@ foreach my $y ($startyear..$endyear) {
 IkiWiki::rcs_commit_staged(gettext("calendar update"), undef, undef)
        if $config{rcs};
 
-system("ikiwiki", "-setup", $setup, "-refresh");
+exec("ikiwiki", "-setup", $setup, "-refresh");
+die "failed to run ikiwiki -setup $setup -refresh\n";