checkout: introduce checkout.overlayMode config

diff --git a/split-index.c b/split-index.c
index 875f53880231b93c0e41bfbf625dd605a8196477..8aebc3661bebf0da236a2c06633c241520f685e0 100644 (file)
--- a/split-index.c
+++ b/split-index.c
@@ -162,7 +162,7 @@ void merge_base_index(struct index_state *istate)
        ewah_each_bit(si->replace_bitmap, replace_entry, istate);
        ewah_each_bit(si->delete_bitmap, mark_entry_for_delete, istate);
        if (si->nr_deletions)
-               remove_marked_cache_entries(istate);
+               remove_marked_cache_entries(istate, 0);
 
        for (i = si->nr_replacements; i < si->saved_cache_nr; i++) {
                if (!ce_namelen(si->saved_cache[i]))
@@ -254,8 +254,8 @@ void prepare_to_write_split_index(struct index_state *istate)
                                continue;
                        }
                        if (ce->index > si->base->cache_nr) {
-                               ce->index = 0;
-                               continue;
+                               BUG("ce refers to a shared ce at %d, which is beyond the shared index size %d",
+                                   ce->index, si->base->cache_nr);
                        }
                        ce->ce_flags |= CE_MATCHED; /* or "shared" */
                        base = si->base->cache[ce->index - 1];