Fix missing bbl folder

ci/autoscaler/scripts/vars.source.sh

@@ -33,13 +33,8 @@ function step(){
 script_dir="$(cd -P "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 root_dir=$(realpath -e "${script_dir}/../../..")
 
-export PR_NUMBER=${PR_NUMBER:-UNDEFINED}
-if [[  ${PR_NUMBER} == "UNDEFINED" ]]; then
-  if ! PR_NUMBER=$(gh pr view --json number --jq '.number'); then
-    warn "no PR_NUMBER is set, will use the default (44)";
-    PR_NUMBER=44
-  fi
-fi
+export PR_NUMBER=${PR_NUMBER:-$(gh pr view --json number --jq '.number' || echo 44)}
+[ "${PR_NUMBER}" == "44" ] && warn "no PR_NUMBER is set, will use the default (44)";
 debug "PR_NUMBER: ${PR_NUMBER}"
 
 export DEPLOYMENT_NAME="${DEPLOYMENT_NAME:-"autoscaler-${PR_NUMBER}"}"
@@ -48,20 +43,18 @@ log "set up vars: DEPLOYMENT_NAME=${DEPLOYMENT_NAME}"
 # shellcheck disable=SC2034
 deployment_name="${DEPLOYMENT_NAME}"
 
-
 export SYSTEM_DOMAIN="${SYSTEM_DOMAIN:-"autoscaler.app-runtime-interfaces.ci.cloudfoundry.org"}"
 debug "SYSTEM_DOMAIN: ${SYSTEM_DOMAIN}"
 # shellcheck disable=SC2034
 system_domain="${SYSTEM_DOMAIN}"
 
-
-BBL_STATE_PATH="${BBL_STATE_PATH:-$( realpath -e "${root_dir}/../app-autoscaler-env-bbl-state/bbl-state" 2> /dev/null || realpath -e "${root_dir}/../bbl-state/bbl-state" 2> /dev/null )}"
-export BBL_STATE_PATH="$(realpath -e "${BBL_STATE_PATH}" )"
+BBL_STATE_PATH="${BBL_STATE_PATH:-$( realpath -e "${root_dir}/../app-autoscaler-env-bbl-state/bbl-state" 2> /dev/null || echo "${root_dir}/../bbl-state/bbl-state" )}"
+BBL_STATE_PATH="$(realpath -e "${BBL_STATE_PATH}" || echo "ERR_invalid_state_path" )"
+export BBL_STATE_PATH
 debug  "BBL_STATE_PATH: ${BBL_STATE_PATH}"
 # shellcheck disable=SC2034
 bbl_state_path="${BBL_STATE_PATH}"
 
-
 AUTOSCALER_DIR="${AUTOSCALER_DIR:-${root_dir}}"
 export AUTOSCALER_DIR="$(realpath -e "${AUTOSCALER_DIR}" )"
 debug "AUTOSCALER_DIR: ${AUTOSCALER_DIR}"