$ git clone -n https://src.fedoraproject.org/rpms/R-markdown.git /var/lib/mock/f31-build-74027-31067/root/chroot_tmpdir/scmroot/R-markdown
Cloning into '/var/lib/mock/f31-build-74027-31067/root/chroot_tmpdir/scmroot/R-markdown'...
$ git reset --hard c3c1f70cf2ceb1e0f8463b69e32cbc5ad52e97fc
HEAD is now at c3c1f70 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild