$ git clone -n https://src.fedoraproject.org/flatpaks/brasero /var/tmp/koji/tasks/6249/132086249/brasero
Cloning into '/var/tmp/koji/tasks/6249/132086249/brasero'...
$ git fetch origin 5d7ee1f4815e9b64bb28ecf8e30dd1a2a8cfe957:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/flatpaks/brasero
 * [new ref]         5d7ee1f4815e9b64bb28ecf8e30dd1a2a8cfe957 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d7ee1f F42