docs/cli: sync with actual output

Author: Mic92

docs/cli.md

@@ -1,17 +1,54 @@
 # CLI
 
 ```
-Usage: nixos-anywhere [options] ssh-host
+Usage: nixos-anywhere [options] <ssh-host>
 
 Options:
 
-* -f, --flake flake
-  set the flake to install the system from
-* -s, --store-paths
+* -f, --flake <flake_uri>
+  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
+* --env-password
+  set a password used by ssh-copy-id, the password should be set by
+  the environment variable SSH_PASS
+* -s, --store-paths <disko-script> <nixos-system>
   set the store paths to the disko-script and nixos-system directly
   if this is given, flake is not needed
-* --kexec url
+* --no-reboot
+  do not reboot after installation, allowing further customization of the target installation.
+* --kexec <path>
   use another kexec tarball to bootstrap NixOS
+* --kexec-extra-flags
+  extra flags to add into the call to kexec, e.g. "--no-sync"
+* --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 formatting, you can then proceed to install manually or some other way
+* --extra-files <path>
+  path to a directory to copy into the root of the new nixos installation.
+  Copied files will be owned by root.
+* --disk-encryption-keys <remote_path> <local_path>
+  copy the contents of the file or pipe in local_path to remote_path in the installer environment,
+  after kexec but before installation. Can be repeated.
+* --no-substitute-on-destination
+  disable passing --substitute-on-destination to nix-copy
 * --debug
   enable debug output
+* --option <key> <value>
+  nix option to pass to every nix related command
+* --from <store-uri>
+  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.
 ```