$go build
Building...routes/labels.go:14:2: cannot find package "github.com/mitchellh/go-wordwrap" in any of:
        /usr/local/go/src/github.com/mitchellh/go-wordwrap (from $GOROOT)
        /home/<ME>/go/src/github.com/mitchellh/go-wordwrap (from $GOPATH)
done

$ls /zfile/go/src/github.com
go-gomail       go-sql-driver   googolee        googollee       gorilla
$ go get github.com/mitchellh/go-wordwrap
$ls
go-gomail       go-sql-driver   googolee        googollee       gorilla
$ go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="freebsd"
GOOS="freebsd"
GOPATH="/home/<ME>/go"
GORACE=""
GOROOT="/usr/local/go"
GOTOOLDIR="/usr/local/go/pkg/tool/freebsd_amd64"
GCCGO="gccgo"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build015448982=/tmp/go-build -gno-record-gcc-switches"
CXX="clang++"
CGO_ENABLED="1"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"