$ git clone -n https://src.fedoraproject.org/rpms/mingw-gstreamer1-plugins-base.git /var/lib/mock/f40-build-1088015-19918/root/chroot_tmpdir/scmroot/mingw-gstreamer1-plugins-base
Cloning into '/var/lib/mock/f40-build-1088015-19918/root/chroot_tmpdir/scmroot/mingw-gstreamer1-plugins-base'...
$ git fetch origin 31549a2cddedba846aa1743ebd13c73e77cbfbf2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-gstreamer1-plugins-base
 * [new ref]         31549a2cddedba846aa1743ebd13c73e77cbfbf2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31549a2 Update to 1.22.9