minor code improvements

Author: kataras

make.go

@@ -138,6 +138,9 @@ func (u *upstream) tarballFromHoster() error {
 	var tarURL string
 	repo := strings.TrimSuffix(u.rr.Repo, ".git")
 	repoU, err := url.Parse(repo)
+	if err != nil {
+		return err
+	}
 
 	switch repoU.Host {
 	case "github.com":

progress.go

@@ -15,8 +15,6 @@ const (
 	Mebi
 	Gibi
 	Tebi
-	Pebi
-	Exbi
 )
 
 func humanizeBytes(b int64) string {