git/diff.h
Junio C Hamano 915838c3cb [PATCH] Diff-helper update
This patch adds a framework and a stub implementation of rename
detection to diff-helper program.

The current stub code is just enough to detect pure renames in
diff-tree output and not fancier.  The plan is perhaps to use
the same delta code when Nico's delta storage patch is merged
for similarity evaluation purposes.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-05-18 11:16:24 -07:00

37 lines
996 B
C

/*
* Copyright (C) 2005 Junio C Hamano
*/
#ifndef DIFF_H
#define DIFF_H
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_unmerge(const char *path);
/* These are for diff-helper */
struct diff_spec {
unsigned char blob_sha1[20];
unsigned short mode; /* file mode */
unsigned sha1_valid : 1; /* if true, use blob_sha1 and trust mode;
* however with a NULL SHA1, read them
* from the file system.
* if false, use the 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, const char *other,
struct diff_spec *, struct diff_spec *);
#endif /* DIFF_H */