$ git clone -n https://src.fedoraproject.org/rpms/rust-urid-derive.git /var/lib/mock/f45-build-46014-830/root/chroot_tmpdir/scmroot/rust-urid-derive
Cloning into '/var/lib/mock/f45-build-46014-830/root/chroot_tmpdir/scmroot/rust-urid-derive'...
$ git fetch origin 76632481b7b672e31592248b5e1fdfc98562e8fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-urid-derive
 * [new ref]         76632481b7b672e31592248b5e1fdfc98562e8fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7663248 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild