$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-rtsp-server.git /var/lib/mock/f41-build-850544-165462/root/chroot_tmpdir/scmroot/gstreamer1-rtsp-server
Cloning into '/var/lib/mock/f41-build-850544-165462/root/chroot_tmpdir/scmroot/gstreamer1-rtsp-server'...
$ git fetch origin 73f9a0d22e224eb6297c15c46ced0bacacddc675:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-rtsp-server
 * [new ref]         73f9a0d22e224eb6297c15c46ced0bacacddc675 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73f9a0d 1.24.8