$ git clone -n https://src.fedoraproject.org/rpms/c++-gtk-utils.git /var/lib/mock/f39-build-1510757-35507/root/chroot_tmpdir/scmroot/c++-gtk-utils
Cloning into '/var/lib/mock/f39-build-1510757-35507/root/chroot_tmpdir/scmroot/c++-gtk-utils'...
$ git fetch origin 53d02a7352582744c4e236e8a8f7e27046cdd612:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/c++-gtk-utils
 * [new ref]         53d02a7352582744c4e236e8a8f7e27046cdd612 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53d02a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild