$ brew install go ==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/go-1.2.2.mavericks.bottle.tar.gz ######################################################################## 100.0% ==> Pouring go-1.2.2.mavericks.bottle.tar.gz ==> Caveats As of go 1.2, a valid GOPATH is required to use the `go get` command: http://golang.org/doc/code.html#GOPATH `go vet` and `go doc` are now part