* 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.
*/
- if (!S_ISREG(src->mode) || !S_ISREG(dst->mode))
- return 0; /* leave symlink rename alone */
+ if (S_ISREG(src->mode) != S_ISREG(dst->mode)) {
+ *merge_score_p = (int)MAX_SCORE;
+ return 1; /* even their types are different */
+ }
if (src->sha1_valid && dst->sha1_valid &&
!hashcmp(src->sha1, dst->sha1))
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, dst,
* less than the minimum, after rename/copy runs.
*/
*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
struct diff_filepair *p = q->queue[i];
int score;
- /* We deal only with in-place edit of non directory.
+ /*
+ * We deal only with in-place edit of blobs.
* We do not break anything else.
*/
if (DIFF_FILE_VALID(p->one) && DIFF_FILE_VALID(p->two) &&
- !S_ISDIR(p->one->mode) && !S_ISDIR(p->two->mode) &&
+ object_type(p->one->mode) == OBJ_BLOB &&
+ object_type(p->two->mode) == OBJ_BLOB &&
!strcmp(p->one->path, p->two->path)) {
if (should_break(p->one, p->two,
break_score, &score)) {