$ git clone -n https://src.fedoraproject.org/rpms/rust-rxml_proc.git /var/lib/mock/f40-build-2651897-66888/root/chroot_tmpdir/scmroot/rust-rxml_proc
Cloning into '/var/lib/mock/f40-build-2651897-66888/root/chroot_tmpdir/scmroot/rust-rxml_proc'...
$ git fetch origin 502bb0c61d33066751140890d2308151b04a51ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rxml_proc
 * [new ref]         502bb0c61d33066751140890d2308151b04a51ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 502bb0c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild