The package golang-github-spf13-afero 1.2.2+really1.2.2-1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-spf13-afero -- More information about golang-github-spf13-afero: http://pkg.kali.org/pkg/golang-github-spf13-afero