The diff_delta() interface has been extended to reject generating too big a delta while we were working on the packed GIT archive format. Take advantage of that when generating delta in the similarity estimator used in diffcore-rename.c Signed-off-by: Junio C Hamano <junkio@cox.net> --- diffcore-rename.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) e4495245cf1ffc1c443df9177c95ce9d1b5052b0 diff --git a/diffcore-rename.c b/diffcore-rename.c --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -136,6 +136,7 @@ static int estimate_similarity(struct di */ void *delta; unsigned long delta_size, base_size, src_copied, literal_added; + unsigned long delta_limit; int score; /* We deal only with regular files. Symlink renames are handled @@ -163,9 +164,13 @@ static int estimate_similarity(struct di if (diff_populate_filespec(src, 0) || diff_populate_filespec(dst, 0)) return 0; /* error but caught downstream */ + delta_limit = base_size * (MAX_SCORE-minimum_score) / MAX_SCORE; delta = diff_delta(src->data, src->size, dst->data, dst->size, - &delta_size, ~0UL); + &delta_size, delta_limit); + if (!delta) + /* If delta_limit is exceeded, we have too much differences */ + return 0; /* A delta that has a lot of literal additions would have * big delta_size no matter what else it does. ------------ - To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Wed Jun 29 10:39:01 2005
This archive was generated by hypermail 2.1.8 : 2005-06-29 10:39:04 EST