diff options
| -rw-r--r-- | src/diff_tform.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/diff_tform.c b/src/diff_tform.c index ac5356a8c..ab43a3a14 100644 --- a/src/diff_tform.c +++ b/src/diff_tform.c @@ -446,6 +446,8 @@ static int similarity_calc( } blobsize = git_blob_rawsize(blob); + if (!file->size) + file->size = blobsize; if (!git__is_sizet(blobsize)) /* ? what to do ? */ blobsize = (size_t)-1; @@ -510,6 +512,13 @@ static int similarity_measure( return 0; } + /* check if file sizes too small or nowhere near each other */ + if (a_file->size > 127 && + b_file->size > 127 && + (a_file->size > (b_file->size << 4) || + b_file->size > (a_file->size << 4))) + return 0; + /* update signature cache if needed */ if (!cache[a_idx] && similarity_calc(diff, opts, a_idx, cache) < 0) return -1; |