gistfile1.txt

$ morph deploy ./home-config.nix test --on graviton                                                                                                         
Selected 1/2 hosts (name filter:-1, limits:-0):
          0: graviton (secrets: 0, health checks: 0)

/nix/store/ramg5cviiwc2m1lv0yaz6qrp5bwdmc54-morph
nix result path:
/nix/store/ramg5cviiwc2m1lv0yaz6qrp5bwdmc54-morph

Pushing paths to graviton:
        * /nix/store/dssqvcmqnpqqsflg7qkshasimqz78mwx-nixos-system-graviton-20.03pre-git
        * /nix/store/a7nnkj3jg8f0k8rdyzlyf8vij20r142n-nixos-system-graviton-20.03pre-git.drv
warning: unknown setting 'sandbox-fallback'
warning: unknown setting 'system-features'
copying 7 pathserror: cannot add path '/nix/store/4fkpambmpwr1rmcrkwff08vv9xc75d0f-root-authorized_keys' because it lacks a valid signature                                                  
error (ignored): unexpected end-of-file
error (ignored): unexpected end-of-file
[0 copied (0.0 MiB)]
error: unexpected end-of-file
exit status 1