[PATCH] git-tar-tree: add a test case

[git.git] / diffcore.h

diff --git a/diffcore.h b/diffcore.h
index ee1955b..981ee05 100644 (file)
--- a/diffcore.h
+++ b/diffcore.h
@@ -8,8 +8,9 @@
  * (e.g. diffcore-rename, diffcore-pickaxe).  Never include this header
  * in anything else.
  */
-#define MAX_SCORE 10000
-#define DEFAULT_MINIMUM_SCORE 5000
+#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 RENAME_DST_MATCHED 01
 
@@ -33,26 +34,32 @@ extern struct diff_filespec *alloc_filespec(const char *);
 extern void fill_filespec(struct diff_filespec *, const unsigned char *,
                          unsigned short);
 
-extern int diff_populate_filespec(struct diff_filespec *);
+extern int diff_populate_filespec(struct diff_filespec *, int);
 extern void diff_free_filespec_data(struct diff_filespec *);
 
 struct diff_filepair {
        struct diff_filespec *one;
        struct diff_filespec *two;
-       int score; /* only valid when one and two are different paths */
-       int status; /* M C R N D U (see Documentation/diff-format.txt) */
+       unsigned short int score;
+       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;
 };
 #define DIFF_PAIR_UNMERGED(p) \
        (!DIFF_FILE_VALID((p)->one) && !DIFF_FILE_VALID((p)->two))
 
+#define DIFF_PAIR_RENAME(p) (strcmp((p)->one->path, (p)->two->path))
+
+#define DIFF_PAIR_BROKEN(p) \
+       ( (!DIFF_FILE_VALID((p)->one) != !DIFF_FILE_VALID((p)->two)) && \
+         ((p)->broken_pair != 0) )
+
 #define DIFF_PAIR_TYPE_CHANGED(p) \
        ((S_IFMT & (p)->one->mode) != (S_IFMT & (p)->two->mode))
 
 #define DIFF_PAIR_MODE_CHANGED(p) ((p)->one->mode != (p)->two->mode)
 
-#define DIFF_FILE_CANON_MODE(mode) \
-       (S_ISREG(mode) ? (S_IFREG | ce_permissions(mode)) : \
-       S_ISLNK(mode) ? S_IFLNK : S_IFDIR)
+extern void diff_free_filepair(struct diff_filepair *);
 
 extern int diff_unmodified_pair(struct diff_filepair *);
 
@@ -68,9 +75,6 @@ extern struct diff_filepair *diff_queue(struct diff_queue_struct *,
                                        struct diff_filespec *);
 extern void diff_q(struct diff_queue_struct *, struct diff_filepair *);
 
-extern int diff_needs_to_stay(struct diff_queue_struct *, int,
-                             struct diff_filespec *);
-
 #define DIFF_DEBUG 0
 #if DIFF_DEBUG
 void diff_debug_filespec(struct diff_filespec *, int, const char *);