combine-diff: treat --summary like --stat

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 9ccdf08730e5b712c0b5d70b0c13505ce8acec03..e28953975b46484327c8c9e0e32993b83a164a6a 100755 (executable)
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -98,6 +98,12 @@ test_expect_success setup '
        git commit -m "update mode" &&
        git checkout -f master &&
 
+       # Same merge as master, but with parents reversed. Hide it in a
+       # pseudo-ref to avoid impacting tests with --all.
+       commit=$(echo reverse |
+                git commit-tree -p master^2 -p master^1 master^{tree}) &&
+       git update-ref REVERSE $commit &&
+
        git config diff.renames false &&
 
        git show-branch
@@ -240,6 +246,7 @@ diff-tree --cc --stat --summary master
 diff-tree -c --stat --summary side
 diff-tree --cc --stat --summary side
 diff-tree --cc --shortstat master
+diff-tree --cc --summary REVERSE
 # improved by Timo's patch
 diff-tree --cc --patch-with-stat master
 # improved by Timo's patch