$ git clone -n https://src.fedoraproject.org/rpms/R-pbdZMQ.git /var/lib/mock/f40-build-789184-135676/root/chroot_tmpdir/scmroot/R-pbdZMQ
Cloning into '/var/lib/mock/f40-build-789184-135676/root/chroot_tmpdir/scmroot/R-pbdZMQ'...
$ git fetch origin 2a02482111fc426e8dfaf17d1a04cc455b19b612:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-pbdZMQ
 * [new ref]         2a02482111fc426e8dfaf17d1a04cc455b19b612 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a02482 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild