$ git clone -n https://src.fedoraproject.org/rpms/R-Rmpfr.git /var/lib/mock/f31-build-113689-34410/root/chroot_tmpdir/scmroot/R-Rmpfr
Cloning into '/var/lib/mock/f31-build-113689-34410/root/chroot_tmpdir/scmroot/R-Rmpfr'...
$ git reset --hard 9e130056037db5659df62d77f23b44d454061ee8
HEAD is now at 9e13005 Remove explicit dependencies provided by automatic dependency generator.