$ git clone -n https://src.fedoraproject.org/rpms/R-utf8.git /var/lib/mock/f31-build-50983-27454/root/chroot_tmpdir/scmroot/R-utf8
Cloning into '/var/lib/mock/f31-build-50983-27454/root/chroot_tmpdir/scmroot/R-utf8'...
$ git reset --hard 246679c9da24248035b489ed18495514ab57abe2
HEAD is now at 246679c - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild