$ git clone -n https://src.fedoraproject.org/rpms/kdiskmark.git /var/lib/mock/f45-build-14727-463/root/chroot_tmpdir/scmroot/kdiskmark
Cloning into '/var/lib/mock/f45-build-14727-463/root/chroot_tmpdir/scmroot/kdiskmark'...
$ git fetch origin 0b5813cb1a8a5fae1e5045626873f517c7630710:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdiskmark
 * [new ref]         0b5813cb1a8a5fae1e5045626873f517c7630710 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b5813c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild