$ git clone -n https://src.fedoraproject.org/rpms/rust-fedora-update-feedback.git /var/lib/mock/f40-build-739436-108996/root/chroot_tmpdir/scmroot/rust-fedora-update-feedback
Cloning into '/var/lib/mock/f40-build-739436-108996/root/chroot_tmpdir/scmroot/rust-fedora-update-feedback'...
$ git fetch origin f6729e2b28f45119aba7599b4b5de302f5bb4785:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fedora-update-feedback
 * [new ref]         f6729e2b28f45119aba7599b4b5de302f5bb4785 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6729e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild