[JIRA] (OVIRT-1717) When a component build passes OST, tag its git hash

When a component build passes OST, tag its git hash --------------------------------------------------- Key: OVIRT-1717 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1717 Project: oVirt - virtualization made easy Issue Type: New Feature Components: Change Queue Reporter: danken Assignee: infra Labels: change-queue, standard-ci Tagging the source git would make it easier for me to tell if a specific git commit is already tested by OST and available for QA.