diff options
Diffstat (limited to 'diffcore-rename.c')
| -rw-r--r-- | diffcore-rename.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c index e5e88fe..b9b039d 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -278,6 +278,8 @@ static int find_identical_files(struct file_similarity *src, } /* Give higher scores to sources that haven't been used already */ score = !source->rename_used; + if (source->rename_used && options->detect_rename != DIFF_DETECT_COPY) + continue; score += basename_same(source, target); if (score > best_score) { best = p; @@ -416,6 +418,27 @@ static void record_if_better(struct diff_score m[], struct diff_score *o) m[worst] = *o; } +static int find_renames(struct diff_score *mx, int dst_cnt, int minimum_score, int copies) +{ + int count = 0, i; + + for (i = 0; i < dst_cnt * NUM_CANDIDATE_PER_DST; i++) { + struct diff_rename_dst *dst; + + if ((mx[i].dst < 0) || + (mx[i].score < minimum_score)) + break; /* there is no more usable pair. */ + dst = &rename_dst[mx[i].dst]; + if (dst->pair) + continue; /* already done, either exact or fuzzy. */ + if (!copies && rename_src[mx[i].src].one->rename_used) + continue; + record_rename_pair(mx[i].dst, mx[i].src, mx[i].score); + count++; + } + return count; +} + void diffcore_rename(struct diff_options *options) { int detect_rename = options->detect_rename; @@ -538,33 +561,9 @@ void diffcore_rename(struct diff_options *options) /* cost matrix sorted by most to least similar pair */ qsort(mx, dst_cnt * NUM_CANDIDATE_PER_DST, sizeof(*mx), score_compare); - for (i = 0; i < dst_cnt * NUM_CANDIDATE_PER_DST; i++) { - struct diff_rename_dst *dst; - - if ((mx[i].dst < 0) || - (mx[i].score < minimum_score)) - break; /* there is no more usable pair. */ - dst = &rename_dst[mx[i].dst]; - if (dst->pair) - continue; /* already done, either exact or fuzzy. */ - if (rename_src[mx[i].src].one->rename_used) - continue; - record_rename_pair(mx[i].dst, mx[i].src, mx[i].score); - rename_count++; - } - - for (i = 0; i < dst_cnt * NUM_CANDIDATE_PER_DST; i++) { - struct diff_rename_dst *dst; - - if ((mx[i].dst < 0) || - (mx[i].score < minimum_score)) - break; /* there is no more usable pair. */ - dst = &rename_dst[mx[i].dst]; - if (dst->pair) - continue; /* already done, either exact or fuzzy. */ - record_rename_pair(mx[i].dst, mx[i].src, mx[i].score); - rename_count++; - } + rename_count += find_renames(mx, dst_cnt, minimum_score, 0); + if (detect_rename == DIFF_DETECT_COPY) + rename_count += find_renames(mx, dst_cnt, minimum_score, 1); free(mx); cleanup: |