$ git clone -n https://src.fedoraproject.org/rpms/libvncserver.git /var/lib/mock/f41-build-857449-168097/root/chroot_tmpdir/scmroot/libvncserver
Cloning into '/var/lib/mock/f41-build-857449-168097/root/chroot_tmpdir/scmroot/libvncserver'...
$ git fetch origin 74d0d3d7bea3e0b304e8327319cd92b6050681e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvncserver
 * [new ref]         74d0d3d7bea3e0b304e8327319cd92b6050681e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74d0d3d Rebuilt for FFmpeg 7