env GO111MODULE=on

# 'go list all' should fail with a reasonable error message
! go list all
stderr '^package m\n\timports m/a from m.go\n\timports m/b from a.go\n\timports m/a from b.go: import cycle not allowed'

# 'go list -e' should not print to stderr, but should mark all three
# packages (m, m/a, and m/b) as Incomplete.
go list -e -json all
! stderr .
stdout -count=3 '"Incomplete": true,'

-- go.mod --
module m

require (
	m/a v0.0.0
	m/b v0.0.0
)

replace (
	m/a => ./a
	m/b => ./b
)
-- m.go --
package m
import (
	_ "m/a"
	_ "m/b"
)
-- a/go.mod --
module m/a
-- a/a.go --
package a
import _ "m/b"
-- b/go.mod --
module m/b
-- b/b.go --
package b
import _ "m/a"