$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-vaapi.git /var/lib/mock/f41-build-836243-158789/root/chroot_tmpdir/scmroot/gstreamer1-vaapi
Cloning into '/var/lib/mock/f41-build-836243-158789/root/chroot_tmpdir/scmroot/gstreamer1-vaapi'...
$ git fetch origin 089479df3d0515e0052f2a028fa5238db9f2628b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-vaapi
 * [new ref]         089479df3d0515e0052f2a028fa5238db9f2628b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 089479d 1.24.6