get golang repos latest version format [v0.0.0-timestamp-commit], used in go.mod
go get -u github.com/hysios/go-latestver
go-latestver https://github.com/hysios/go-latestver
%> v0.0.0-20181021184428-c2d8df786ab8
copy version and paste to go.mod require section, like this
require (
github.com/hysios/go-latestver v0.0.0-20181021184428-c2d8df786ab8
)