cue eval ./pkg:foo

-- cue.mod/module.cue --
module: "example.com"

-- in.cue --
package foo

import "example.com/pkg:bar"
bar
z: 3

-- pkg/bar.cue --
package bar

import "example.com/pkg:baz"
foo: {
    baz
    y: 2
}
foo

-- pkg/baz.cue --
package baz

x: 1
-- out/eval --
(struct){
  foo: (struct){
    x: (int){ 1 }
    y: (int){ 2 }
  }
  z: (int){ 3 }
  x: (int){ 1 }
  y: (int){ 2 }
}
-- out/compile --
--- in.cue
{
  〈import;"example.com/pkg:bar"〉
  z: 3
}