The package golang-github-spf13-fsync 0.0~git20161130.0.cb2da33-2 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-spf13-fsync -- More information about golang-github-spf13-fsync: http://pkg.kali.org/pkg/golang-github-spf13-fsync