void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const char *b);
+extern int diff_can_quit_early(struct diff_options *);
+
extern void diff_addremove(struct diff_options *,
int addremove,
unsigned mode,
const char *fullpath,
unsigned dirty_submodule1, unsigned dirty_submodule2);
-extern void diff_unmerge(struct diff_options *,
- const char *path,
- unsigned mode,
- const unsigned char *sha1);
+extern struct diff_filepair *diff_unmerge(struct diff_options *, const char *path);
#define DIFF_SETUP_REVERSE 1
#define DIFF_SETUP_USE_CACHE 2