$ git clone -n https://src.fedoraproject.org/rpms/clamav.git /var/lib/mock/f41-build-side-1-3136400-39773/root/chroot_tmpdir/scmroot/clamav
Cloning into '/var/lib/mock/f41-build-side-1-3136400-39773/root/chroot_tmpdir/scmroot/clamav'...
$ git fetch origin 31ffda4efe163ccd526e00017fd608ab5734d871:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clamav
 * [new ref]         31ffda4efe163ccd526e00017fd608ab5734d871 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31ffda4 Update to 1.0.7