grim/convey

Add the recursive environment expanding back with a much simplier algorithm
package docker
import (
"testing"
. "github.com/onsi/gomega"
"keep.imfreedom.org/grim/convey/podman"
)
func TestRun(t *testing.T) {
g := NewGomegaWithT(t)
r := &Run{
Image: "image",
}
g.Expect(r.Valid()).To(BeNil())
}
func TestRunImageRequired(t *testing.T) {
g := NewGomegaWithT(t)
r := &Run{}
g.Expect(r.Valid()).To(MatchError(podman.ErrNoImage))
}