missing go.sum entry error about bingo HOT 6 CLOSED

--- a/get.go
+++ b/get.go
@@ -580,6 +580,10 @@ func install(runnable runner.Runnable, name string, link bool, pkg *bingo.Packag
                return errors.Wrap(err, pkg.String())
        }
 
+       if err := runnable.Download(runner.NoUpdatePolicy); err != nil {
+               return err
+       }
+
        // Check if path is pointing to non-buildable package. Fail it is non-buildable. Hacky!
        if listOutput, err := runnable.List(runner.NoUpdatePolicy, "-f={{.Name}}", pkg.Path()); err != nil {
                return err

--- a/pkg/runner/runner.go
+++ b/pkg/runner/runner.go
@@ -80,6 +80,7 @@ var cmdsSupportingModFileArg = map[string]struct{}{
        "install": {},
        "list":    {},
        "build":   {},
+       "download": {},
 }
 
 func (r *Runner) execGo(ctx context.Context, output io.Writer, cd string, modFile string, args ...string) error {
@@ -121,6 +122,7 @@ func (r *Runner) exec(ctx context.Context, output io.Writer, cd string, command
 }
 
 type Runnable interface {
+       Download(update GetUpdatePolicy, args ...string) error
        List(update GetUpdatePolicy, args ...string) (string, error)
        GetD(update GetUpdatePolicy, packages ...string) (string, error)
        Build(pkg, out string) error
@@ -176,6 +178,19 @@ func (r *runnable) List(update GetUpdatePolicy, args ...string) (string, error)
        return strings.Trim(out.String(), "\n"), nil
 }
 
+// List runs `go list` against separate go modules files if any.
+func (r *runnable) Download(update GetUpdatePolicy, args ...string) error {
+       a := []string{"mod", "download"}
+       if update != NoUpdatePolicy {
+               a = append(a, string(update))
+       }
+       out := &bytes.Buffer{}
+       if err := r.r.execGo(r.ctx, out, r.dir, r.modFile, append(a, args...)...); err != nil {
+               return errors.Wrap(err, out.String())
+       }
+       return nil
+}
+
 // GoEnv runs `go env` with given args.
 func (r *runnable) GoEnv(args ...string) (string, error) {
        out := &bytes.Buffer{}