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/*
* Copyright (C) 2005 Junio C Hamano
*/
#ifndef DIFF_H
#define DIFF_H
/* These two are for backward compatibility with show-diff;
* new users should not use them.
*/
extern void show_differences(const struct cache_entry *ce, int reverse);
extern void show_diff_empty(const struct cache_entry *ce, int reverse);
struct diff_spec {
union {
const char *name; /* path on the filesystem */
unsigned char sha1[20]; /* blob object ID */
} u;
unsigned short mode; /* file mode */
unsigned sha1_valid : 1; /* if true, use u.sha1 and trust mode.
* (however with a NULL SHA1, read them
* from the file!).
* if false, use u.name and read mode from
* the filesystem.
*/
unsigned file_valid : 1; /* if false the file does not even exist */
};
extern void run_external_diff(const char *name,
struct diff_spec *, struct diff_spec *);
#endif /* DIFF_H */
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