$ git clone -n https://src.fedoraproject.org/rpms/arbor.git /var/lib/mock/f41-build-side-1-2747060-30968/root/chroot_tmpdir/scmroot/arbor
Cloning into '/var/lib/mock/f41-build-side-1-2747060-30968/root/chroot_tmpdir/scmroot/arbor'...
$ git fetch origin 8aea21b811aaea6650371718a05bbf99cdff15c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arbor
 * [new ref]         8aea21b811aaea6650371718a05bbf99cdff15c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8aea21b Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild