#define SPARSE_INDEX_MEMORY_ONLY (1 << 0)
int convert_to_sparse(struct index_state *istate, int flags);
void ensure_correct_sparsity(struct index_state *istate);
+void clear_skip_worktree_from_present_files(struct index_state *istate);
/*
* Some places in the codebase expect to search for a specific path.