$ git clone -n https://src.fedoraproject.org/rpms/R-rlecuyer.git /var/lib/mock/f38-build-724012-99307/root/chroot_tmpdir/scmroot/R-rlecuyer
Cloning into '/var/lib/mock/f38-build-724012-99307/root/chroot_tmpdir/scmroot/R-rlecuyer'...
$ git reset --hard 7fef899e6584580a257fa96568d6361d47f5b656
HEAD is now at 7fef899 R-maint-sig mass rebuild