read-tree: note about dropping split-index mode or index version

diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index 9e49bf2f5695f0deaf7184ca7e9ef38059e3d680..05edd9e1df52e63a1644cddc0fb0e6a0d764d90b 100644 (file)
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -135,6 +135,7 @@ static int option_parse_u(const struct option *opt,
        int *newfd = opt->value;
 
        state.refresh_cache = 1;
+       state.istate = &the_index;
        if (*newfd < 0)
                *newfd = hold_locked_index(&lock_file, 1);
        return 0;