update help reference

Author: Mic92

docs/reference.md

@@ -27,17 +27,28 @@ Options:
   set the flake to install the system from.
 * -i <identity_file>
   selects which SSH private key file to use.
+* -p, --ssh-port <ssh_port>
+  set the ssh port to connect with
+* --ssh-option <ssh_option>
+  set an ssh option
 * -L, --print-build-logs
   print full build logs
 * -s, --store-paths <disko-script> <nixos-system>
   set the store paths to the disko-script and nixos-system directly
   if this is give, flake is not needed
+* -t --tty
+  Force pseudo-terminal allocation in SSH sessions. Use this when you expect e.g.
+  to be asked for password entry during LUKS configuration.
 * --no-reboot
   do not reboot after installation, allowing further customization of the target installation.
-* --kexec <url>
+* --kexec <path>
   use another kexec tarball to bootstrap NixOS
+* --post-kexec-ssh-port <ssh_port>
+  after kexec is executed, use a custom ssh port to connect. Defaults to 22
+* --copy-host-keys
+  copy over existing /etc/ssh/ssh_host_* host keys to the installation
 * --stop-after-disko
-  exit after disko formating, you can then proceed to install manually or some other way
+  exit after disko formatting, you can then proceed to install manually or some other way
 * --extra-files <file...>
   files to copy into the new nixos installation
 * --disk-encryption-keys <remote_path> <local_path>
@@ -53,6 +64,8 @@ Options:
   URL of the source Nix store to copy the nixos and disko closure from
 * --build-on-remote
   build the closure on the remote machine instead of locally and copy-closuring it
+* --vm-test
+  build the system and test the disk configuration inside a VM without installing it to the target.
 ```
 
 ## Explanation of known error messages