test_cmp expect actual.fuzz
'
+cat >expect <<\EOF
+Some Dude <some@dude.xx>
+EOF
+
+test_expect_success 'commit --author honors mailmap' '
+ test_must_fail git commit --author "nick" --allow-empty -meight &&
+ git commit --author "Some Dude" --allow-empty -meight &&
+ git show --pretty=format:"%an <%ae>%n" >actual &&
+ test_cmp expect actual
+'
+
test_done