diff options
| -rw-r--r-- | diffcore-break.c | 22 | ||||
| -rw-r--r-- | diffcore.h | 2 |
2 files changed, 9 insertions, 15 deletions
diff --git a/diffcore-break.c b/diffcore-break.c index 8cbb99fb4..082e4e596 100644 --- a/diffcore-break.c +++ b/diffcore-break.c @@ -61,14 +61,7 @@ static int should_break(struct diff_filespec *src, if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0)) return 0; /* error but caught downstream */ - delta_size = ((src->size < dst->size) ? - (dst->size - src->size) : (src->size - dst->size)); - - /* Notice that we use max of src and dst as the base size, - * unlike rename similarity detection. This is so that we do - * not mistake a large addition as a complete rewrite. - */ - base_size = ((src->size < dst->size) ? dst->size : src->size); + base_size = ((src->size < dst->size) ? src->size : dst->size); delta = diff_delta(src->data, src->size, dst->data, dst->size, @@ -88,10 +81,11 @@ static int should_break(struct diff_filespec *src, * less than the minimum, after rename/copy runs. */ if (src->size <= src_copied) - delta_size = 0; /* avoid wrapping around */ - else + ; /* all copied, nothing removed */ + else { delta_size = src->size - src_copied; - *merge_score_p = delta_size * MAX_SCORE / src->size; + *merge_score_p = delta_size * MAX_SCORE / src->size; + } /* Extent of damage, which counts both inserts and * deletes. @@ -174,7 +168,8 @@ void diffcore_break(int break_score) !S_ISDIR(p->one->mode) && !S_ISDIR(p->two->mode) && !strcmp(p->one->path, p->two->path)) { if (should_break(p->one, p->two, - break_score, &score)) { + break_score, &score) && + MINIMUM_BREAK_SIZE <= p->one->size) { /* Split this into delete and create */ struct diff_filespec *null_one, *null_two; struct diff_filepair *dp; @@ -185,8 +180,7 @@ void diffcore_break(int break_score) * Also we do not want to break very * small files. */ - if ((score < merge_score) || - (p->one->size < MINIMUM_BREAK_SIZE)) + if (score < merge_score) score = 0; /* deletion of one */ diff --git a/diffcore.h b/diffcore.h index 194d40cb4..f1b5ca748 100644 --- a/diffcore.h +++ b/diffcore.h @@ -17,7 +17,7 @@ */ #define MAX_SCORE 60000 #define DEFAULT_RENAME_SCORE 30000 /* rename/copy similarity minimum (50%) */ -#define DEFAULT_BREAK_SCORE 59400 /* minimum for break to happen (99%)*/ +#define DEFAULT_BREAK_SCORE 30000 /* minimum for break to happen (50%)*/ #define DEFAULT_MERGE_SCORE 48000 /* maximum for break-merge to happen (80%)*/ #define MINIMUM_BREAK_SIZE 400 /* do not break a file smaller than this */ |