$ git clone -n https://src.fedoraproject.org/rpms/rust-confy.git /var/lib/mock/f40-build-2652431-66894/root/chroot_tmpdir/scmroot/rust-confy
Cloning into '/var/lib/mock/f40-build-2652431-66894/root/chroot_tmpdir/scmroot/rust-confy'...
$ git fetch origin 68642a96527c2f9625913a77049e6af77b0c801a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-confy
 * [new ref]         68642a96527c2f9625913a77049e6af77b0c801a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68642a9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild