$ git clone -n https://src.fedoraproject.org/rpms/R-plyr.git /var/lib/mock/f31-build-74087-31075/root/chroot_tmpdir/scmroot/R-plyr
Cloning into '/var/lib/mock/f31-build-74087-31075/root/chroot_tmpdir/scmroot/R-plyr'...
$ git reset --hard 4acd02aa5d181530347d57e8749c4854e51a63db
HEAD is now at 4acd02a - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild