/*
 * Copyright (C) 2005 Junio C Hamano
 */
#ifndef DIFF_H
#define DIFF_H

#define DIFF_FILE_CANON_MODE(mode) \
	(S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
	S_ISLNK(mode) ? S_IFLNK : S_IFDIR)

extern void diff_addremove(int addremove,
			   unsigned mode,
			   const unsigned char *sha1,
			   const char *base,
			   const char *path);

extern void diff_change(unsigned mode1, unsigned mode2,
			     const unsigned char *sha1,
			     const unsigned char *sha2,
			     const char *base, const char *path);

extern void diff_helper_input(unsigned mode1,
			      unsigned mode2,
			      const unsigned char *sha1,
			      const unsigned char *sha2,
			      const char *path1,
			      int status,
			      int score,
			      const char *path2);

extern void diff_unmerge(const char *path);

extern int diff_scoreopt_parse(const char *opt);

#define DIFF_SETUP_REVERSE      	1
#define DIFF_SETUP_USE_CACHE		2
#define DIFF_SETUP_USE_SIZE_CACHE	4

extern void diff_setup(int flags);

#define DIFF_DETECT_RENAME	1
#define DIFF_DETECT_COPY	2

#define DIFF_PICKAXE_ALL	1

extern void diffcore_std(const char **paths,
			 int detect_rename, int rename_score,
			 const char *pickaxe, int pickaxe_opts,
			 int break_opt,
			 const char *orderfile, const char *filter);

extern void diffcore_std_no_resolve(const char **paths,
				    const char *pickaxe, int pickaxe_opts,
				    const char *orderfile, const char *filter);

extern int diff_queue_is_empty(void);

#define DIFF_FORMAT_HUMAN	0
#define DIFF_FORMAT_MACHINE	1
#define DIFF_FORMAT_PATCH	2
#define DIFF_FORMAT_NO_OUTPUT	3

extern void diff_flush(int output_style);

#endif /* DIFF_H */