+ # create the cache directory if it doesn't exist
+ [[ -d $CACHE_DIRECTORY ]] || mkdir -p $CACHE_DIRECTORY
+
+ # set ARTIFACT_VERSION
+ export ARTIFACT_VERSION=$(date +"%Y-%m-%d_%H-%M-%S")
+
+ # start the build
+ cd $WORKSPACE/$INSTALLER/ci
+ ./build.sh -v $ARTIFACT_VERSION -c file://$CACHE_DIRECTORY $BUILD_DIRECTORY
+
+- builder:
+ name: 'upload-artifact'
+ builders:
+ - shell: |
+ #!/bin/bash
+ set -o errexit
+ set -o nounset
+ set -o pipefail
+ set -x
+
+ # list the build output
+ ls -al $BUILD_DIRECTORY