$ git clone -n https://src.fedoraproject.org/rpms/magicmirror.git /var/lib/mock/f40-build-2147011-50889/root/chroot_tmpdir/scmroot/magicmirror
Cloning into '/var/lib/mock/f40-build-2147011-50889/root/chroot_tmpdir/scmroot/magicmirror'...
$ git fetch origin 160595fbedb4b46f2232d28a513d30affbdc6397:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magicmirror
 * [new ref]         160595fbedb4b46f2232d28a513d30affbdc6397 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 160595f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild