git-debrebase: merge: Add a comment about rewriting

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

diff --git a/git-debrebase b/git-debrebase
index 499cda2eef4946b72cfec4bbabc753c2aecb0ce7..5de9c14b74f63e42d5628ab355febb89ace3a182 100755 (executable)
--- a/git-debrebase
+++ b/git-debrebase
@@ -1217,6 +1217,9 @@ sub walk ($;$$$) {
            }
 
            if ($ok && $might_be_in_bw) {
+               # We could rewrite this to contaion the metadata
+               # declaring it to be MergedBreakwaters, but
+               # unnecessarily rewriting a merge seems unhelpful.
                $prline->(" VanillaMerge MergedBreakwaters");
                $last_anchor = $best_anchor;
                $build_start->('MergedBreakwaters', $cur);