$ git clone -n https://src.fedoraproject.org/rpms/cpptest.git /var/lib/mock/f31-build-57839-28388/root/chroot_tmpdir/scmroot/cpptest
Cloning into '/var/lib/mock/f31-build-57839-28388/root/chroot_tmpdir/scmroot/cpptest'...
$ git reset --hard 8cfce1d636df3ab42f3b9f23a3ce90d937d0d56b
HEAD is now at 8cfce1d - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild