test format-patch -s: make sure MIME content type is shown as needed

diff --git a/diffcore-break.c b/diffcore-break.c
index acb18db1db27dc29fdb76bd519174aa56f56121d..c71a22621a4f979f62cd21e9de83ab7129a129e9 100644 (file)
--- a/diffcore-break.c
+++ b/diffcore-break.c
@@ -45,8 +45,8 @@ static int should_break(struct diff_filespec *src,
         * The value we return is 1 if we want the pair to be broken,
         * or 0 if we do not.
         */
-       unsigned long delta_size, base_size, src_copied, literal_added,
-               src_removed;
+       unsigned long delta_size, base_size, max_size;
+       unsigned long src_copied, literal_added, src_removed;
 
        *merge_score_p = 0; /* assume no deletion --- "do not break"
                             * is the default.
@@ -63,11 +63,11 @@ static int should_break(struct diff_filespec *src,
                return 0; /* error but caught downstream */
 
        base_size = ((src->size < dst->size) ? src->size : dst->size);
-       if (base_size < MINIMUM_BREAK_SIZE)
+       max_size = ((src->size > dst->size) ? src->size : dst->size);
+       if (max_size < MINIMUM_BREAK_SIZE)
                return 0; /* we do not break too small filepair */
 
-       if (diffcore_count_changes(src->data, src->size,
-                                  dst->data, dst->size,
+       if (diffcore_count_changes(src, dst,
                                   NULL, NULL,
                                   0,
                                   &src_copied, &literal_added))
@@ -89,13 +89,15 @@ static int should_break(struct diff_filespec *src,
         * merge the surviving pair together if the score is
         * less than the minimum, after rename/copy runs.
         */
-       *merge_score_p = src_removed * MAX_SCORE / src->size;
+       *merge_score_p = (int)(src_removed * MAX_SCORE / src->size);
+       if (*merge_score_p > break_score)
+               return 1;
 
        /* Extent of damage, which counts both inserts and
         * deletes.
         */
        delta_size = src_removed + literal_added;
-       if (delta_size * MAX_SCORE / base_size < break_score)
+       if (delta_size * MAX_SCORE / max_size < break_score)
                return 0;
 
        /* If you removed a lot without adding new material, that is