$ git clone -n https://src.fedoraproject.org/rpms/nheko.git /var/lib/mock/f42-build-3460172-45515/root/chroot_tmpdir/scmroot/nheko
Cloning into '/var/lib/mock/f42-build-3460172-45515/root/chroot_tmpdir/scmroot/nheko'...
$ git fetch origin 5729b578cea740a623ca11a52a4b228f8e9ae96f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nheko
 * [new ref]         5729b578cea740a623ca11a52a4b228f8e9ae96f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5729b57 Rebuild (qt6)