Add special env vars prefixed with _ just for this tag name specification, so we can easily reproduce the previous behavior: ${_BRANCH_SANITIZED_FOR_DOCKER}-${_BUILD_ID_OR_LATEST}${_VARIANT_SUFFIX}
=> it's the new default.
=> Actual default generated value doesn't change.
closes #526
Add special env vars prefixed with
_
just for this tag name specification, so we can easily reproduce the previous behavior:${_BRANCH_SANITIZED_FOR_DOCKER}-${_BUILD_ID_OR_LATEST}${_VARIANT_SUFFIX}
=> it's the new default. => Actual default generated value doesn't change.