$ git clone -n https://src.fedoraproject.org/rpms/compiler-rt.git /var/lib/mock/f33-build-338911-58401/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/f33-build-338911-58401/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git reset --hard fdeb566dc551a8a9a97c699617fb31257c11515f
HEAD is now at fdeb566 11.0.0-rc1 Release