---https://perldoc.perl.org/perlhack.html#Submitting-patches

criar o patch

depois do commit



ambs@diabelli ExtUtils-CBuilder (blead)$ git format-patch 5a993d81c4b1abf13cd3ae4cbc04f26c7516bc37

com o hash do commit ANTERIOR

0001-Update-to-ExtUtils-CBuilder-0.280226.patch