// the specific packages selected by the user-specified pattern(s).
		match = make([]func(*Package) bool, len(cfg.BuildCoverPkg))
		for i := range cfg.BuildCoverPkg {
			match[i] = MatchPackage(cfg.BuildCoverPkg[i], base.Cwd())
		}
	} else {
		// Without -coverpkg, instrument only packages in the main module
		// (if any), as well as packages/files specifically named on the
		// command line.