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-rw-r--r--diffcore.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/diffcore.h b/diffcore.h
index 2e613ebe89..194d40cb48 100644
--- a/diffcore.h
+++ b/diffcore.h
@@ -8,9 +8,19 @@
* (e.g. diffcore-rename, diffcore-pickaxe). Never include this header
* in anything else.
*/
+
+/* We internally use unsigned short as the score value,
+ * and rely on an int capable to hold 32-bits. -B can take
+ * -Bmerge_score/break_score format and the two scores are
+ * passed around in one int (high 16-bit for merge and low 16-bit
+ * for break).
+ */
#define MAX_SCORE 60000
#define DEFAULT_RENAME_SCORE 30000 /* rename/copy similarity minimum (50%) */
#define DEFAULT_BREAK_SCORE 59400 /* minimum for break to happen (99%)*/
+#define DEFAULT_MERGE_SCORE 48000 /* maximum for break-merge to happen (80%)*/
+
+#define MINIMUM_BREAK_SIZE 400 /* do not break a file smaller than this */
struct diff_filespec {
unsigned char sha1[20];
@@ -76,6 +86,7 @@ extern void diff_q(struct diff_queue_struct *, struct diff_filepair *);
extern void diffcore_pathspec(const char **pathspec);
extern void diffcore_break(int);
extern void diffcore_rename(int rename_copy, int);
+extern void diffcore_merge_broken(void);
extern void diffcore_pickaxe(const char *needle, int opts);
extern void diffcore_order(const char *orderfile);