Imports github.com/Wessie/appdirs github.com/flowchartsman/retry github.com/gofrs/flock github.com/hashicorp/go-version github.com/sirupsen/logrus github.com/spf13/cobra Standard library imports archive/tar compress/bzip2 encoding/json errors fmt io io/ioutil net/http os os/exec path/filepath runtime sort strconv strings syscall time