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#ifndef SPARSE_INDEX_H__
#define SPARSE_INDEX_H__
struct index_state;
#define SPARSE_INDEX_MEMORY_ONLY (1 << 0)
int is_sparse_index_allowed(struct index_state *istate, int flags);
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.
* This path might be outside of the sparse-checkout definition, in
* which case a sparse-index may not contain a path for that index.
*
* Given an index and a path, check to see if a leading directory for
* 'path' exists in the index as a sparse directory. In that case,
* expand that sparse directory to a full range of cache entries and
* populate the index accordingly.
*/
void expand_to_path(struct index_state *istate,
const char *path, size_t pathlen, int icase);
struct repository;
int set_sparse_index_config(struct repository *repo, int enable);
struct pattern_list;
/**
* Scan the given index and compare its entries to the given pattern list.
* If the index is sparse and the pattern list uses cone mode patterns,
* then modify the index to contain the all of the file entries within that
* new pattern list. This expands sparse directories only as far as needed.
*
* If the pattern list is NULL or does not use cone mode patterns, then the
* index is expanded to a full index.
*/
void expand_index(struct index_state *istate, struct pattern_list *pl);
#endif
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