tweeper.php: check the return value of Tweeper::tweep()

If the tweep() method fails return 1 to the calling process so that it
can know that something failed.

diff --git a/tweeper.php b/tweeper.php
index b1809ed..0955a11 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -442,4 +442,8 @@ if (!isset($options['src_url'])) {
 }
 
 $tweeper = new Tweeper($options['generate_enclosure']);
-echo $tweeper->tweep($options['src_url']);
+$output = $tweeper->tweep($options['src_url']);
+if (is_null($output)) {
+  exit(1);
+}
+echo $output;