Imports github.com/jordan-wright/email github.com/schollz/go-diff-image github.com/schollz/logger github.com/schollz/progressbar/v3 github.com/yuin/goldmark Standard library imports bytes crypto/sha1 crypto/tls encoding/json flag fmt image/jpeg image/png io io/ioutil net/http net/smtp net/textproto os os/exec path path/filepath strconv strings time