$ git clone -n https://src.fedoraproject.org/rpms/rust-sdd.git /var/lib/mock/f45-build-44716-816/root/chroot_tmpdir/scmroot/rust-sdd
Cloning into '/var/lib/mock/f45-build-44716-816/root/chroot_tmpdir/scmroot/rust-sdd'...
$ git fetch origin 99cee56bfb3b291bd2b9f84aae261e573b7d9d1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sdd
 * [new ref]         99cee56bfb3b291bd2b9f84aae261e573b7d9d1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99cee56 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild