A module with multiple packages, one of which is not redistributable.

-- go.mod --
module example.com/nonredist

go 1.13

-- LICENSE --
$BSD0License

-- README.md --
README file for testing.

-- bar/LICENSE --
$MITLicense

-- bar/bar.go --
// package bar
package bar

// Bar returns the string "bar".
func Bar() string {
	return "bar"
}


-- bar/baz/COPYING --
$MITLicense
-- bar/baz/baz.go --
// package baz
package baz

// Baz returns the string "baz".
func Baz() string {
	return "baz"
}

-- unk/README.md --
README file will be removed before DB insert.

-- unk/LICENSE.md --
An unknown license.

-- unk/unk.go --
// package unk
package unk

import (
	"fmt"

	"example.com/nonredist/bar"
)

// FooBar returns the string "foo bar".
func FooBar() string {
	return fmt.Sprintf("foo %s", bar.Bar())
}