$ git clone -n https://src.fedoraproject.org/rpms/python-gstreamer1.git /var/lib/mock/f41-build-812105-147693/root/chroot_tmpdir/scmroot/python-gstreamer1
Cloning into '/var/lib/mock/f41-build-812105-147693/root/chroot_tmpdir/scmroot/python-gstreamer1'...
$ git fetch origin ad47f1f9df1bb48d8f7edde8f097bcd40f535eff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-gstreamer1
 * [new ref]         ad47f1f9df1bb48d8f7edde8f097bcd40f535eff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad47f1f 1.24.4