Add exception check when generating xml file

Change-Id: I016db67dae981cb13c021571c3690b3a324919b3
Signed-off-by: biao716.wang <biao716.wang@samsung.com>

diff --git a/depanneur b/depanneur
index 1f580a8..3443232 100755 (executable)
--- a/depanneur
+++ b/depanneur
@@ -2439,6 +2439,12 @@ sub generate_depends_xmlfile() {
     }
     info("The dependence XML file has been generated in $out");
 
+    #if there is no reverse dependence relation, skip!
+    if (0 == scalar (keys %pkgrdeps))
+    {
+        return;
+    }
+
     #Generate reverse dependence XML file.
     info("Generating reverse dependence XML file...");
     my $revpkgdepsxml = "$out/$dist\_$arch\_revpkgdepends.xml";