$ git clone -n https://src.fedoraproject.org/rpms/polkit.git /var/lib/mock/f38-build-side-42-init-devel-619844-26335/root/chroot_tmpdir/scmroot/polkit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-619844-26335/root/chroot_tmpdir/scmroot/polkit'...
$ git fetch origin a735065884f6ead16b010d771dcc6051e9c2ee15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polkit
 * [new ref]         a735065884f6ead16b010d771dcc6051e9c2ee15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a735065 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild