$ git clone -n https://src.fedoraproject.org/rpms/modello.git /var/lib/mock/f40-build-2220367-52660/root/chroot_tmpdir/scmroot/modello
Cloning into '/var/lib/mock/f40-build-2220367-52660/root/chroot_tmpdir/scmroot/modello'...
$ git fetch origin fb6200acea379d90bde420210ee297a1c200b77e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/modello
 * [new ref]         fb6200acea379d90bde420210ee297a1c200b77e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb6200a Update javapackages test plan to f40