$ git clone -n https://src.fedoraproject.org/rpms/gssproxy.git /var/lib/mock/f38-build-711148-93842/root/chroot_tmpdir/scmroot/gssproxy
Cloning into '/var/lib/mock/f38-build-711148-93842/root/chroot_tmpdir/scmroot/gssproxy'...
$ git fetch origin ec1eedcddee81e38dc151e2a21f99ec70c91920e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gssproxy
 * [new ref]         ec1eedcddee81e38dc151e2a21f99ec70c91920e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec1eedc Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild