EWS provides misleading information for not applyable patches
https://bugs.webkit.org/show_bug.cgi?id=145307

Reviewed by Alexey Proskuryakov.

* Scripts/svn-apply: Die if there is no applyable diff in the patch.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@185062 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Tools/Scripts/svn-apply b/Tools/Scripts/svn-apply
index d62f446..4493d12 100755
--- a/Tools/Scripts/svn-apply
+++ b/Tools/Scripts/svn-apply
@@ -123,6 +123,7 @@
 my @diffHashRefs = parsePatch(*ARGV);
 
 print "Parsed " . @diffHashRefs . " diffs from patch file(s).\n";
+die "No diff found." unless @diffHashRefs;
 
 my $preparedPatchHash = prepareParsedPatch($force, @diffHashRefs);