diff options
| -rw-r--r-- | diffcore-rename.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/diffcore-rename.c b/diffcore-rename.c index 7ed5ef81bf..f9ebea5640 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -435,33 +435,37 @@ void diffcore_rename(struct diff_options *options) */ rename_count = find_exact_renames(); + /* Did we only want exact renames? */ + if (minimum_score == MAX_SCORE) + goto cleanup; + + /* + * Calculate how many renames are left (but all the source + * files still remain as options for rename/copies!) + */ + num_create = (rename_dst_nr - rename_count); + num_src = rename_src_nr; + + /* All done? */ + if (!num_create) + goto cleanup; + /* * This basically does a test for the rename matrix not * growing larger than a "rename_limit" square matrix, ie: * - * rename_dst_nr * rename_src_nr > rename_limit * rename_limit + * num_create * num_src > rename_limit * rename_limit * * but handles the potential overflow case specially (and we * assume at least 32-bit integers) */ if (rename_limit <= 0 || rename_limit > 32767) rename_limit = 32767; - if (rename_dst_nr > rename_limit && rename_src_nr > rename_limit) + if (num_create > rename_limit && num_src > rename_limit) goto cleanup; - if (rename_dst_nr * rename_src_nr > rename_limit * rename_limit) + if (num_create * num_src > rename_limit * rename_limit) goto cleanup; - /* Have we run out the created file pool? If so we can avoid - * doing the delta matrix altogether. - */ - if (rename_count == rename_dst_nr) - goto cleanup; - - if (minimum_score == MAX_SCORE) - goto cleanup; - - num_create = (rename_dst_nr - rename_count); - num_src = rename_src_nr; mx = xmalloc(sizeof(*mx) * num_create * num_src); for (dst_cnt = i = 0; i < rename_dst_nr; i++) { int base = dst_cnt * num_src; |