$ git clone -n https://src.fedoraproject.org/rpms/olpc-utils.git /var/lib/mock/f38-build-side-42-init-devel-723354-27298/root/chroot_tmpdir/scmroot/olpc-utils
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-723354-27298/root/chroot_tmpdir/scmroot/olpc-utils'...
$ git fetch origin 3586fd9b118cd353c4d9b691e193356b6cab5546:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/olpc-utils
 * [new ref]         3586fd9b118cd353c4d9b691e193356b6cab5546 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3586fd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild