git-debrebase: Reverse argumennts to check diff error message

"Old, new" is more conventional.  This makes debug output and error
messages a bit easier to understand.

We must keep the backward order for get_differs because we need to
detect patch deletion, which shows up (reversed) as D_PAT_ADD.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/git-debrebase b/git-debrebase
index f72625d6166a156322b2860671e5a7bd6c1c8d87..5049ca6d5948d94837a28e3d5cdf12b6d445c721 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -1326,7 +1326,7 @@ sub walk ($;$$$) {
     };
 
     my $final_check = get_differs $build, $input;
-    die sprintf "internal error %#x %s %s", $final_check, $build, $input
+    die sprintf "internal error %#x %s %s", $final_check, $input, $build
        if $final_check & ~D_PAT_ADD;
 
     my @r = ($build, $breakwater, $last_anchor);