Exposed modules-download-mode as a command line option (#781)

* Exposed modules-download-mode as a command line option

* Split line into two.

* Regenerated README.md file

Author: pstibrany

pkg/commands/run.go

@@ -82,6 +82,8 @@ func initFlagSet(fs *pflag.FlagSet, cfg *config.Config, m *lintersdb.Manager, is
 
 	// Run config
 	rc := &cfg.Run
+	fs.StringVar(&rc.ModulesDownloadMode, "modules-download-mode", "",
+		"Modules download mode. If not empty, passed as -mod=<mode> to go tools")
 	fs.IntVar(&rc.ExitCodeIfIssuesFound, "issues-exit-code",
 		exitcodes.IssuesFound, wh("Exit code when issues were found"))
 	fs.StringSliceVar(&rc.BuildTags, "build-tags", nil, wh("Build tags"))