040000 tree 0ef624c197eb47e4becaab99a6f44697fcfc60b5	git-submodules
040000 tree e9f978ffe88198016efcfb488fac05290814db95	retrieve-artifacts-from-check
040000 tree a8744113c94dad732141ec3cdf93f50601b9e9ee	return-built-artifact
040000 tree 0011513d9565a5a8782755086dbe078ffe34c6ed	run-test-command
040000 tree 8a90055331d7c12c09400db4f491031d1c1c3eaf	zuul-var-to-json