go get golang.org/x/tour
cd .; git clone – https://go.googlesource.com/tools /home/anurag/go/src/golang.org/x/tools
Cloning into ‘/home/anurag/go/src/golang.org/x/tools’…
error: RPC failed; curl 56 GnuTLS recv error (-24): Decryption has failed.
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed