this prevents showing files as renames when most (but not all) of the file was
changed.
if (git_diff_find_init_options(&fopts, GIT_DIFF_FIND_OPTIONS_VERSION))
goto err;
- fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES;
+ /* find renames and copies, exact matches (no heuristic) for renames. */
+ fopts.flags |= GIT_DIFF_FIND_RENAMES | GIT_DIFF_FIND_COPIES |
+ GIT_DIFF_FIND_EXACT_MATCH_ONLY;
if (git_diff_find_similar(ci->diff, &fopts))
goto err;