$ git clone -n https://src.fedoraproject.org/rpms/plexus-io.git /var/lib/mock/f38-build-side-42-init-devel-723649-27298/root/chroot_tmpdir/scmroot/plexus-io
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-723649-27298/root/chroot_tmpdir/scmroot/plexus-io'...
$ git fetch origin 75ff38bd5c27c48d49fd78d3ed5ddc99d1094884:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-io
 * [new ref]         75ff38bd5c27c48d49fd78d3ed5ddc99d1094884 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75ff38b Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild