Imports code.google.com/p/gcfg code.google.com/p/go.crypto/pbkdf2 code.google.com/p/goauth2/oauth github.com/cheggaaa/pb google.golang.org/api/drive/v2 google.golang.org/api/googleapi Standard library imports os os/user path/filepath regexp runtime sort strconv strings sync sync/atomic time bytes crypto/aes crypto/cipher crypto/md5 crypto/rand crypto/sha256 encoding/hex flag fmt io io/ioutil log math/rand net/http net/url