$ git clone -n https://src.fedoraproject.org/rpms/lxqt-about.git /var/lib/mock/f41-build-side-1-2812365-32940/root/chroot_tmpdir/scmroot/lxqt-about
Cloning into '/var/lib/mock/f41-build-side-1-2812365-32940/root/chroot_tmpdir/scmroot/lxqt-about'...
$ git fetch origin b1aee0c8f07c7d56b1b748a8ee4aaaf55f5dbfb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lxqt-about
 * [new ref]         b1aee0c8f07c7d56b1b748a8ee4aaaf55f5dbfb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1aee0c convert license to SPDX