use a LRU eviction policy for the delta base cache

diff --git a/diffcore-break.c b/diffcore-break.c
index 71ad58a25a05ea760fd67fc1583e3323dd53a8f6..9c19b8cab778362b9d369135e743fb232a7cd295 100644 (file)
--- a/diffcore-break.c
+++ b/diffcore-break.c
@@ -56,7 +56,7 @@ static int should_break(struct diff_filespec *src,
                return 0; /* leave symlink rename alone */
 
        if (src->sha1_valid && dst->sha1_valid &&
-           !memcmp(src->sha1, dst->sha1, 20))
+           !hashcmp(src->sha1, dst->sha1))
                return 0; /* they are the same */
 
        if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0))
@@ -68,6 +68,7 @@ static int should_break(struct diff_filespec *src,
 
        if (diffcore_count_changes(src->data, src->size,
                                   dst->data, dst->size,
+                                  NULL, NULL,
                                   0,
                                   &src_copied, &literal_added))
                return 0;
@@ -88,7 +89,7 @@ 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);
 
        /* Extent of damage, which counts both inserts and
         * deletes.