$ git clone -n https://src.fedoraproject.org/rpms/htppu.git /var/lib/mock/f45-build-13495-451/root/chroot_tmpdir/scmroot/htppu
Cloning into '/var/lib/mock/f45-build-13495-451/root/chroot_tmpdir/scmroot/htppu'...
$ git fetch origin 6f560fdb941e03c63579d4ca8ebc5512a24051e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/htppu
 * [new ref]         6f560fdb941e03c63579d4ca8ebc5512a24051e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f560fd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild