t6022: New tests checking for unnecessary updates of files

diff --git a/diff.h b/diff.h
index 310bd6b2832ce7f874aff735bb19b4813f117d4d..6e4d436e0ca21f2243c1b8a98319c878db3c1909 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -110,7 +110,9 @@ struct diff_options {
        int pickaxe_opts;
        int rename_score;
        int rename_limit;
-       int warn_on_too_large_rename;
+       int needed_rename_limit;
+       int degraded_cc_to_c;
+       int show_rename_progress;
        int dirstat_percent;
        int setup;
        int abbrev;
@@ -207,10 +209,7 @@ extern void diff_change(struct diff_options *,
                        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
@@ -272,6 +271,7 @@ extern void diffcore_fix_diff_index(struct diff_options *);
 
 extern int diff_queue_is_empty(void);
 extern void diff_flush(struct diff_options*);
+extern void diff_warn_rename_limit(const char *varname, int needed, int degraded_cc);
 
 /* diff-raw status letters */
 #define DIFF_STATUS_ADDED              'A'