$ git clone -n https://src.fedoraproject.org/rpms/vdr-graphlcd.git /var/lib/mock/f41-build-side-1-2778963-32451/root/chroot_tmpdir/scmroot/vdr-graphlcd
Cloning into '/var/lib/mock/f41-build-side-1-2778963-32451/root/chroot_tmpdir/scmroot/vdr-graphlcd'...
$ git fetch origin 48b9f8a229f4f9101b6cbe07160acb355b027ffd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-graphlcd
 * [new ref]         48b9f8a229f4f9101b6cbe07160acb355b027ffd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48b9f8a convert GPLv2+ license to SPDX