#ifndef INCLUDE_diff_generate_h__

#define INCLUDE_diff_generate_h__

#include "common.h"

#include "diff.h"

#include "pool.h"

#include "index.h"

enum {

GIT_DIFFCAPS_HAS_SYMLINKS = (1 << 0), /* symlinks on platform? */

GIT_DIFFCAPS_IGNORE_STAT = (1 << 1), /* use stat? */

GIT_DIFFCAPS_TRUST_MODE_BITS = (1 << 2), /* use st_mode? */

GIT_DIFFCAPS_TRUST_CTIME = (1 << 3), /* use st_ctime? */

GIT_DIFFCAPS_USE_DEV = (1 << 4), /* use st_dev? */

};

#define DIFF_FLAGS_KNOWN_BINARY (GIT_DIFF_FLAG_BINARY|GIT_DIFF_FLAG_NOT_BINARY)

#define DIFF_FLAGS_NOT_BINARY (GIT_DIFF_FLAG_NOT_BINARY|GIT_DIFF_FLAG__NO_DATA)

enum {

GIT_DIFF_FLAG__FREE_PATH = (1 << 7), /* `path` is allocated memory */

GIT_DIFF_FLAG__FREE_DATA = (1 << 8), /* internal file data is allocated */

GIT_DIFF_FLAG__UNMAP_DATA = (1 << 9), /* internal file data is mmap'ed */

GIT_DIFF_FLAG__NO_DATA = (1 << 10), /* file data should not be loaded */

GIT_DIFF_FLAG__FREE_BLOB = (1 << 11), /* release the blob when done */

GIT_DIFF_FLAG__LOADED = (1 << 12), /* file data has been loaded */

GIT_DIFF_FLAG__TO_DELETE = (1 << 16), /* delete entry during rename det. */

GIT_DIFF_FLAG__TO_SPLIT = (1 << 17), /* split entry during rename det. */

GIT_DIFF_FLAG__IS_RENAME_TARGET = (1 << 18),

GIT_DIFF_FLAG__IS_RENAME_SOURCE = (1 << 19),

GIT_DIFF_FLAG__HAS_SELF_SIMILARITY = (1 << 20),

};

#define GIT_DIFF_FLAG__CLEAR_INTERNAL(F) (F) = ((F) & 0x00FFFF)

#define GIT_DIFF__VERBOSE (1 << 30)

extern void git_diff_addref(git_diff *diff);

extern bool git_diff_delta__should_skip(

const git_diff_options *opts, const git_diff_delta *delta);

extern int git_diff__from_iterators(

const git_diff_options *opts);

extern int git_diff__commit(

git_diff **diff, git_repository *repo, const git_commit *commit, const git_diff_options *opts);

extern int git_diff__paired_foreach(

void *payload);

typedef git_diff_delta *(*git_diff__merge_cb)(

const git_diff_delta *left,

const git_diff_delta *right,

git_pool *pool);

extern int git_diff__merge(

git_diff *onto, const git_diff *from, git_diff__merge_cb cb);

extern git_diff_delta *git_diff__merge_like_cgit(

const git_diff_delta *a,

const git_diff_delta *b,

git_pool *pool);

extern git_diff_delta *git_diff__delta_dup(

const git_diff_delta *d, git_pool *pool);

extern int git_diff__oid_for_file(

git_off_t size);

extern int git_diff__oid_for_entry(

const git_oid *update_match);

GIT_INLINE(int) git_diff_file__resolve_zero_size(

git_diff_file *file, git_odb_object **odb_obj, git_repository *repo)

{

int error;

git_odb *odb;

size_t len;

git_otype type;

if ((error = git_repository_odb(&odb, repo)) < 0)

return error;

error = git_odb__read_header_or_object(

odb_obj, &len, &type, odb, &file->id);

git_odb_free(odb);

if (!error)

file->size = (git_off_t)len;

return error;

}