$ git clone -n https://src.fedoraproject.org/rpms/klamav.git /var/lib/mock/f38-build-side-42-init-devel-785857-27972/root/chroot_tmpdir/scmroot/klamav
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-785857-27972/root/chroot_tmpdir/scmroot/klamav'...
$ git fetch origin 80853742ac3757c26f84048d57313b70df9ae494:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klamav
 * [new ref]         80853742ac3757c26f84048d57313b70df9ae494 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8085374 Rebuild for clamav 1.0.0