bisect-runner.pl should only dump out a failed patch once by default.

Only show the "converted to a context diff" version if it was actually
converted to one before (attempted) application.

diff --git a/Porting/bisect-runner.pl b/Porting/bisect-runner.pl
index 45667fb..28db89e 100755 (executable)
--- a/Porting/bisect-runner.pl
+++ b/Porting/bisect-runner.pl
@@ -678,7 +678,8 @@ sub apply_patch {
     print $fh $patch_to_use;
     return if close $fh;
     print STDERR "Patch is <<'EOPATCH'\n${patch}EOPATCH\n";
-    print STDERR "\nConverted to a context diff <<'EOCONTEXT'\n${patch_to_use}EOCONTEXT\n";
+    print STDERR "\nConverted to a context diff <<'EOCONTEXT'\n${patch_to_use}EOCONTEXT\n"
+        if $patch_to_use ne $patch;
     die "Can't $what$files: $?, $!";
 }