read-cache: add post-index-change hook

diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh
index 76a2d25dd202ee493d0709fed649b7e24ce536fe..4684d06552ac2eeafff19cfd696fd36d20cef5d4 100755 (executable)
--- a/t/t6500-gc.sh
+++ b/t/t6500-gc.sh
@@ -137,11 +137,11 @@ test_expect_success 'background auto gc does not run if gc.log is present and re
        test_config gc.autopacklimit 1 &&
        test_config gc.autodetach true &&
        echo fleem >.git/gc.log &&
-       test_must_fail git gc --auto 2>err &&
-       test_i18ngrep "^fatal:" err &&
+       git gc --auto 2>err &&
+       test_i18ngrep "^warning:" err &&
        test_config gc.logexpiry 5.days &&
        test-tool chmtime =-345600 .git/gc.log &&
-       test_must_fail git gc --auto &&
+       git gc --auto &&
        test_config gc.logexpiry 2.days &&
        run_and_wait_for_auto_gc &&
        ls .git/objects/pack/pack-*.pack >packs &&