$ packer init ./config.pkr.hcl
Error: Invalid plugin type
on ./config.pkr.hcl line 3, in packer:
3: goss = {
4: version = ">= 3.1.4"
5: source = "github.com/YaleUniversity/packer-provisioner-goss"
6: }
Plugin source "github.com/yaleuniversity/packer-provisioner-goss" has a type
with the prefix "packer-", which isn't allowed because it would be redundant to
name a Packer plugin with that prefix. If you are the author of this plugin,
rename it to not include the prefix.
$ packer --version
1.8.5