Imports github.com/joomcode/errorx github.com/otiai10/copy github.com/pkg/errors golang.org/x/mod/semver Standard library imports archive/tar bufio compress/gzip context crypto/sha1 crypto/sha256 crypto/sha512 crypto/tls encoding/hex fmt io io/fs net net/http net/url os os/user path path/filepath strconv strings sync syscall time