$ git clone -n https://src.fedoraproject.org/rpms/rust2rpm.git /var/lib/mock/f40-build-2323755-58735/root/chroot_tmpdir/scmroot/rust2rpm
Cloning into '/var/lib/mock/f40-build-2323755-58735/root/chroot_tmpdir/scmroot/rust2rpm'...
$ git fetch origin d626d06003186c4a80a359cf89c57680fe3d94c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust2rpm
 * [new ref]         d626d06003186c4a80a359cf89c57680fe3d94c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d626d06 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild