diff --git a/tools/tools/git/git-arc.sh b/tools/tools/git/git-arc.sh
--- a/tools/tools/git/git-arc.sh
+++ b/tools/tools/git/git-arc.sh
@@ -697,10 +697,10 @@
         # names.
         if [ -n "$have_msg" ]; then
             arc diff --message "$msg" --allow-untracked --never-apply-patches \
-                --update "$diff" --head "$commit" "${commit}~"
+                --verbatim --update "$diff" --head "$commit" "${commit}~"
         else
-            arc diff --allow-untracked --never-apply-patches --update "$diff" \
-                --head "$commit" "${commit}~"
+            arc diff --allow-untracked --never-apply-patches --edit \
+		--update "$diff" --head "$commit" "${commit}~"
         fi
     done
 }