Reworked vault prefix for pipeline.

hooks/blueprint

@@ -60,8 +60,15 @@ template::render::env::vault() {
 }
 
 ocfp::vault::prefix() {
+  [[ -z "${OCFP_VAULT_PREFIX:-}" ]] || return 0
+
   if want_feature sharded-vault-paths
-  then
+  then # Madness. Not a best practice. Don't do this.
+    DEPLOYMENTS_PATH="${DEPLOYMENTS_PATH:-"${HOME}/deployments"}"
+
+    [[ -d "${DEPLOYMENTS_PATH}/bosh/.genesis/manifests" ]] ||
+      fail "No deployment manifests found at ${DEPLOYMENTS_PATH}/bosh/.genesis/manifests!"
+
     OCFP_VAULT_PREFIX=$(
     cat ${DEPLOYMENTS_PATH}/bosh/.genesis/manifests/${OCFP_ENV_NAME}.yml |
       spruce json | jq -r '.genesis.secrets_mount' | sed -e 's#^/##' -e 's#/$##'
@@ -79,11 +86,7 @@ set -eu
 
 declare feature env_name mgmt_env
 declare -a yamls opsfiles ocf_envs fqdns
-declare -x OCFP_VAULT_PREFIX OCFP_ENV_NAME OCFP_ENV_PATH DEPLOYMENTS_PATH
-
-DEPLOYMENTS_PATH="${DEPLOYMENTS_PATH:-"${HOME}/deployments"}"
-[[ -d "${DEPLOYMENTS_PATH}/bosh/.genesis/manifests" ]] ||
-  fail "No deployment manifests found at ${DEPLOYMENTS_PATH}/bosh/.genesis/manifests!"
+declare -x OCFP_VAULT_PREFIX OCFP_ENV_NAME OCFP_ENV_PATH DEPLOYMENTS_PATH OCFP_VAULT_PREFIX
 
 yamls=()
 opsfiles=()