The package golang-github-cloudfoundry-gosigar 0.0~git20150402.27.3ed7c74-2 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-cloudfoundry-gosigar -- More information about golang-github-cloudfoundry-gosigar: http://pkg.kali.org/pkg/golang-github-cloudfoundry-gosigar