$ git clone -n https://src.fedoraproject.org/rpms/R.git /var/lib/mock/f31-build-49534-27305/root/chroot_tmpdir/scmroot/R
Cloning into '/var/lib/mock/f31-build-49534-27305/root/chroot_tmpdir/scmroot/R'...
$ git reset --hard a044a8c82c58026cd4a11537cac2984bffba72b8
HEAD is now at a044a8c 3.6.0++