$ git clone -n https://src.fedoraproject.org/rpms/rust-rxml.git /var/lib/mock/f40-build-2716239-72596/root/chroot_tmpdir/scmroot/rust-rxml
Cloning into '/var/lib/mock/f40-build-2716239-72596/root/chroot_tmpdir/scmroot/rust-rxml'...
$ git fetch origin 81965fad94fd731b5b5775bc1e2984af515fa493:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rxml
 * [new ref]         81965fad94fd731b5b5775bc1e2984af515fa493 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81965fa Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild