, git diff -m. , . git diff -m child parent1 parent2 ...., , , . parent1, [ +-] .. , . git write-tree ; .
, , - , , , , , - .
$ CURRENTLY_ADDED=`git write-tree`
$ git diff -m $CURRENTLY_ADDED HEAD MERGE_HEAD
diff --cc README
index 2ef4a65,8e2e466..be3d46e
--- a/README
+++ b/README
@@@ -1,10 -1,5 +1,10 @@@
-deleted only in <theirs>
+added only in <theirs>
- deleted only in <ours>
+ added only in <ours>
--deleted during merge
++added during merge