do not write null sha1s to on-disk index

diff --git a/diff.h b/diff.h
index ae71f4ccf94369b31b1a77373861b02d478d705a..b5ba1402aa5d1ce65de56d024764564bbd473413 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -19,12 +19,14 @@ typedef void (*change_fn_t)(struct diff_options *options,
                 unsigned old_mode, unsigned new_mode,
                 const unsigned char *old_sha1,
                 const unsigned char *new_sha1,
+                int old_sha1_valid, int new_sha1_valid,
                 const char *fullpath,
                 unsigned old_dirty_submodule, unsigned new_dirty_submodule);
 
 typedef void (*add_remove_fn_t)(struct diff_options *options,
                    int addremove, unsigned mode,
                    const unsigned char *sha1,
+                   int sha1_valid,
                    const char *fullpath, unsigned dirty_submodule);
 
 typedef void (*diff_format_fn_t)(struct diff_queue_struct *q,
@@ -209,12 +211,15 @@ extern void diff_addremove(struct diff_options *,
                           int addremove,
                           unsigned mode,
                           const unsigned char *sha1,
+                          int sha1_valid,
                           const char *fullpath, unsigned dirty_submodule);
 
 extern void diff_change(struct diff_options *,
                        unsigned mode1, unsigned mode2,
                        const unsigned char *sha1,
                        const unsigned char *sha2,
+                       int sha1_valid,
+                       int sha2_valid,
                        const char *fullpath,
                        unsigned dirty_submodule1, unsigned dirty_submodule2);
 
@@ -324,4 +329,7 @@ extern struct userdiff_driver *get_textconv(struct diff_filespec *one);
 
 extern int parse_rename_score(const char **cp_p);
 
+extern int print_stat_summary(FILE *fp, int files,
+                             int insertions, int deletions);
+
 #endif /* DIFF_H */