setup: introduce the discover_git_directory() function

diff --git a/diffcore-rename.c b/diffcore-rename.c
index 73d003a08ae72d0c8f18b16172bc09c86022eb8f..f7444c86bde3909c8fca23f71c4852514eb26b88 100644 (file)
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -145,7 +145,6 @@ static int estimate_similarity(struct diff_filespec *src,
         * call into this function in that case.
         */
        unsigned long max_size, delta_size, base_size, src_copied, literal_added;
-       unsigned long delta_limit;
        int score;
 
        /* We deal only with regular files.  Symlink renames are handled
@@ -191,11 +190,8 @@ static int estimate_similarity(struct diff_filespec *src,
        if (!dst->cnt_data && diff_populate_filespec(dst, 0))
                return 0;
 
-       delta_limit = (unsigned long)
-               (base_size * (MAX_SCORE-minimum_score) / MAX_SCORE);
        if (diffcore_count_changes(src, dst,
                                   &src->cnt_data, &dst->cnt_data,
-                                  delta_limit,
                                   &src_copied, &literal_added))
                return 0;
 
@@ -580,7 +576,7 @@ void diffcore_rename(struct diff_options *options)
        stop_progress(&progress);
 
        /* cost matrix sorted by most to least similar pair */
-       qsort(mx, dst_cnt * NUM_CANDIDATE_PER_DST, sizeof(*mx), score_compare);
+       QSORT(mx, dst_cnt * NUM_CANDIDATE_PER_DST, score_compare);
 
        rename_count += find_renames(mx, dst_cnt, minimum_score, 0);
        if (detect_rename == DIFF_DETECT_COPY)