Allow fetch-pack to decide keeping the fetched pack without exploding

diff --git a/diffcore.h b/diffcore.h
index dba4f17658e6b3b7e1853ca024f8cfe9eae9c92e..1ea80671e30500f95fc1b648ccc6d5143ac0ac52 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -17,8 +17,8 @@
  */
 #define MAX_SCORE 60000.0
 #define DEFAULT_RENAME_SCORE 30000 /* rename/copy similarity minimum (50%) */
-#define DEFAULT_BREAK_SCORE  30000 /* minimum for break to happen (50%)*/
-#define DEFAULT_MERGE_SCORE  48000 /* maximum for break-merge to happen (80%)*/
+#define DEFAULT_BREAK_SCORE  30000 /* minimum for break to happen (50%) */
+#define DEFAULT_MERGE_SCORE  36000 /* maximum for break-merge to happen 60%) */
 
 #define MINIMUM_BREAK_SIZE     400 /* do not break a file smaller than this */
 
@@ -26,6 +26,7 @@ struct diff_filespec {
        unsigned char sha1[20];
        char *path;
        void *data;
+       void *cnt_data;
        unsigned long size;
        int xfrm_flags;          /* for use by the xfrm */
        unsigned short mode;     /* file mode */
@@ -52,11 +53,12 @@ struct diff_filepair {
        char status; /* M C R N D U (see Documentation/diff-format.txt) */
        unsigned source_stays : 1; /* all of R/C are copies */
        unsigned broken_pair : 1;
+       unsigned renamed_pair : 1;
+       unsigned is_unmerged : 1;
 };
-#define DIFF_PAIR_UNMERGED(p) \
-       (!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two))
+#define DIFF_PAIR_UNMERGED(p) ((p)->is_unmerged)
 
-#define DIFF_PAIR_RENAME(p) (strcmp((p)->one->path, (p)->two->path))
+#define DIFF_PAIR_RENAME(p) ((p)->renamed_pair)
 
 #define DIFF_PAIR_BROKEN(p) \
        ( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \
@@ -103,6 +105,8 @@ void diff_debug_queue(const char *, struct diff_queue_struct *);
 
 extern int diffcore_count_changes(void *src, unsigned long src_size,
                                  void *dst, unsigned long dst_size,
+                                 void **src_count_p,
+                                 void **dst_count_p,
                                  unsigned long delta_limit,
                                  unsigned long *src_copied,
                                  unsigned long *literal_added);