Imports github.com/snapcore/snapd/strutil github.com/snapcore/snapd/snap/channel github.com/snapcore/snapd/osutil github.com/snapcore/snapd/release github.com/snapcore/snapd/snap/naming golang.org/x/crypto/openpgp/packet golang.org/x/crypto/sha3 Standard library imports crypto/rsa crypto net/mail bufio bytes crypto/rand crypto/sha256 crypto/sha512 encoding/base64 errors fmt io io/ioutil net/url os os/exec path/filepath reflect regexp sort strconv strings sync time unicode/utf8