You can find the source of this version on GitHub at cloudfoundry/diego-release. It was created based on the commit
You can reference this release in your deployment manifest from the
- name: "diego" version: "1.29.1" url: "https://bosh.io/d/github.com/cloudfoundry/diego-release?v=1.29.1" sha1: "33bab9ec5d0d6045a33b276e4000ad80e83dbf96"
Or upload it to your director with the
bosh upload-release --sha1 33bab9ec5d0d6045a33b276e4000ad80e83dbf96 \ https://bosh.io/d/github.com/cloudfoundry/diego-release?v=1.29.1