The package golang-github-spf13-afero 0.0~git20160201.0.4c1d2aa-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