$ git clone -n https://src.fedoraproject.org/rpms/R-tkrplot.git /var/lib/mock/f31-build-50869-27442/root/chroot_tmpdir/scmroot/R-tkrplot
Cloning into '/var/lib/mock/f31-build-50869-27442/root/chroot_tmpdir/scmroot/R-tkrplot'...
$ git reset --hard 8376be2835caa4d0d801d65a3b023a35850ca18a
HEAD is now at 8376be2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild