$ git clone -n https://src.fedoraproject.org/rpms/cocot.git /var/lib/mock/f42-build-3406827-45143/root/chroot_tmpdir/scmroot/cocot
Cloning into '/var/lib/mock/f42-build-3406827-45143/root/chroot_tmpdir/scmroot/cocot'...
$ git fetch origin 23ca9117a14ba8e44dbda40dbbc158ae40e1f22c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cocot
 * [new ref]         23ca9117a14ba8e44dbda40dbbc158ae40e1f22c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23ca911 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild