$ git clone -n https://src.fedoraproject.org/rpms/wfmath.git /var/lib/mock/f31-build-60485-28741/root/chroot_tmpdir/scmroot/wfmath
Cloning into '/var/lib/mock/f31-build-60485-28741/root/chroot_tmpdir/scmroot/wfmath'...
$ git reset --hard bd25c50d613eb3c6d29ee89cc370d8477a77c002
HEAD is now at bd25c50 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild