test_cmp expect-both-reversed actual
'
+test_expect_success 'notes.displayRef with no value handled gracefully' '
+ test_must_fail git -c notes.displayRef log -0 --notes &&
+ test_must_fail git -c notes.displayRef diff-tree --notes HEAD
+'
+
test_expect_success 'GIT_NOTES_DISPLAY_REF works' '
GIT_NOTES_DISPLAY_REF=refs/notes/commits:refs/notes/other \
git log -2 >actual &&