load_authors() if $_authors;
load_all_refs() if $_branch_all_refs;
svn_compat_check() unless $_use_lib;
-migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init)$/;
+migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init|commit-diff)$/;
$cmd{$cmd}->[0]->(@ARGV);
exit 0;