Setup is broken on titan

From a clean install:

pdoak@titan-ext3:~> module load curl
pdoak@titan-ext3:~> curl https://code.ornl.gov/olcf/setup-spack/raw/master/init.sh | OLCF_SPACK_HOST=titan /usr/bin/zsh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   878  100   878    0     0  13798      0 --:--:-- --:--:-- --:--:-- 24388
Configuring spack for titan
Cloning LLNL/Spack to spack-titan
Cloning into 'spack-titan'...
remote: Counting objects: 103062, done.
remote: Compressing objects: 100% (71/71), done.
remote: Total 103062 (delta 42), reused 58 (delta 13), pack-reused 102962
Receiving objects: 100% (103062/103062), 35.32 MiB | 7.18 MiB/s, done.
Resolving deltas: 100% (49121/49121), done.
Checking out files: 100% (3619/3619), done.
Adding titan-specific configuration
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   673  100   673    0     0  17408      0 --:--:-- --:--:-- --:--:-- 18189
Creating titan setup file
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100    97  100    97    0     0   2301      0 --:--:-- --:--:-- --:--:--  2365
To begin, source spack-titan/share/olcf/setup-env.sh
pdoak@titan-ext3:~> module list
Currently Loaded Modulefiles:
  1) eswrap/1.3.3-1.020200.1280.0          14) rca/1.0.0-2.0502.60530.1.63.gem
  2) craype-network-gemini                 15) atp/2.1.1
  3) pgi/17.9.0                            16) PrgEnv-pgi/5.2.82
  4) craype/2.5.13                         17) cray-mpich/7.6.3
  5) cray-libsci/16.11.1                   18) craype-interlagos
  6) udreg/2.3.2-1.0502.10518.2.17.gem     19) lustredu/1.4
  7) ugni/6.0-1.0502.10863.8.28.gem        20) xalt/0.7.5
  8) pmi/5.0.12                            21) git/2.13.0
  9) dmapp/7.0.1-1.0502.11080.8.74.gem     22) module_msg/0.1
 10) gni-headers/4.0-1.0502.10859.7.8.gem  23) modulator/1.2.0
 11) xpmem/0.1-2.0502.64982.5.3.gem        24) hsi/5.0.2.p1
 12) dvs/2.5_0.9.0-1.0502.2188.1.113.gem   25) DefApps
 13) alps/5.2.4-2.0502.9774.31.12.gem      26) curl/7.50.3
pdoak@titan-ext3:~> source spack-titan/share/olcf/setup-env.sh
If '_sp_sys_type=linux-suse_linux11-x86_64' is not a typo you can run the following command to lookup the package that contains the binary:
    command-not-found _sp_sys_type=linux-suse_linux11-x86_64
-bash: _sp_sys_type=linux-suse_linux11-x86_64: command not found
pdoak@titan-ext3:~>