Imports github.com/Masterminds/semver github.com/armon/go-radix github.com/golang/dep/internal/fs github.com/golang/dep/internal/gps/paths github.com/pkg/errors github.com/sdboyer/constext github.com/golang/dep/internal/gps/pkgtree github.com/Masterminds/vcs Standard library imports bytes container/heap context encoding/hex encoding/xml errors fmt io log math/rand net/http net/url os os/exec path path/filepath regexp runtime sort strconv strings sync sync/atomic time crypto/sha256 text/tabwriter os/signal