$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_dd.git /var/lib/mock/f40-build-781163-131434/root/chroot_tmpdir/scmroot/rust-uu_dd
Cloning into '/var/lib/mock/f40-build-781163-131434/root/chroot_tmpdir/scmroot/rust-uu_dd'...
$ git fetch origin 41f6d4a349a6265bae91543e1427f38becdc741a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_dd
 * [new ref]         41f6d4a349a6265bae91543e1427f38becdc741a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41f6d4a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild