`kind: archive` doesn't exist
From the generated .bst file at: https://gitlab.com/freedesktop-sdk/json2bst/-/jobs/38607827/artifacts/file/bst-definitions/alsa-lib.bst
AFAIK it should be kind: tar
Also, this kind should use ref:
instead sha256:
More info here: https://buildstream.gitlab.io/buildstream/sources/tar.html#module-sources.tar
Edited by Javier Jardón