Imports github.com/globalsign/mgo/bson github.com/sylabs/singularity/src/pkg/sylog github.com/sylabs/singularity/src/pkg/util/user-agent gopkg.in/cheggaaa/pb.v1 Standard library imports bufio bytes crypto/sha256 encoding/hex encoding/json fmt io io/ioutil net/http net/url os regexp sort strings time