)
'
+test_expect_success 'rebase -c rebase.useBuiltin=false warning' '
+ expected="rebase.useBuiltin support has been removed" &&
+
+ # Only warn when the legacy rebase is requested...
+ test_must_fail git -c rebase.useBuiltin=false rebase 2>err &&
+ test_i18ngrep "$expected" err &&
+ test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=false git rebase 2>err &&
+ test_i18ngrep "$expected" err &&
+
+ # ...not when we would have used the built-in anyway
+ test_must_fail git -c rebase.useBuiltin=true rebase 2>err &&
+ test_must_be_empty err &&
+ test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=true git rebase 2>err &&
+ test_must_be_empty err
+'
+
test_done