$ git clone -n https://src.fedoraproject.org/flatpaks/kxstitch /var/tmp/koji/tasks/191/132060191/kxstitch
Cloning into '/var/tmp/koji/tasks/191/132060191/kxstitch'...
$ git fetch origin debb5abd5d4164de4d23a09bdf74664182710615:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/flatpaks/kxstitch
 * [new ref]         debb5abd5d4164de4d23a09bdf74664182710615 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at debb5ab F42