$ git clone -n https://src.fedoraproject.org/rpms/ucl.git /var/lib/mock/f40-build-2684598-67984/root/chroot_tmpdir/scmroot/ucl
Cloning into '/var/lib/mock/f40-build-2684598-67984/root/chroot_tmpdir/scmroot/ucl'...
$ git fetch origin d855996f74f1ff47b34e48ba283be7e186c672bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ucl
 * [new ref]         d855996f74f1ff47b34e48ba283be7e186c672bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d855996 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild