mod=example.com/sub/nest/v2
dir=nest
base=v2.0.0
-- want --
# summary
Suggested version: v2.0.1 (with tag nest/v2.0.1)
-- .git/HEAD --
-- nest/go.mod --
module example.com/sub/nest/v2

go 1.12
-- nest/nest.go --
package nest