From 62b28f7d84c422ab2c16f9a24aa6189a7dd57ac0 Mon Sep 17 00:00:00 2001
From: Mark Nipper <nipsy@bitgnome.net>
Date: Fri, 3 May 2024 00:28:33 -0700
Subject: Add help

---
 scripts/install-with-disko | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/scripts/install-with-disko b/scripts/install-with-disko
index a6210b9..5845c2d 100755
--- a/scripts/install-with-disko
+++ b/scripts/install-with-disko
@@ -1,17 +1,34 @@
 #!/usr/bin/env nix-shell
 #!nix-shell -i zsh --packages rsync zsh
 
+setopt ERR_EXIT NO_UNSET PIPE_FAIL
+
 # load module to parse command line arguments
 zmodload zsh/zutil
 
 # parse any possible additional drive declarations
-zparseopts -D -E -A opts -- -skip-disko h
+zparseopts -D -E -A opts -- -skip-disko h x
 
-setopt ERR_EXIT NO_UNSET PIPE_FAIL
-DIR="${0:h}"
+# enable XTRACE shell option for full debugging output of scripts
+if (( ${+opts[-x]} )); then
+	set -x
+fi
 
+DIR="${0:h}"
 TARGET_HOST="${1:-}"
 
+if [[ -z "${TARGET_HOST}" ]] || (( ${+opts[-h]} )); then
+	<<EOF >&2
+usage: ${0:t} [ --skip-disko ] [ -h ] [ -x ] host
+
+	--skip-disko	skip running presumably already run disko step
+	-h		this message
+	-x		enable shell debug
+	host		the host to install from our flake
+EOF
+	exit 1
+fi
+
 if [[ "${USERNAME}" != "nixos" ]]; then
 	echo "ERROR!  ${0:t} should be run as the nixos user from a NixOS installer." >&2
 	exit 1
-- 
cgit v1.2.3