From 34105077c777b0d2c5c69f39921f376b84ce1443 Mon Sep 17 00:00:00 2001
From: Philip J Freeman <elektron@halo.nu>
Date: Sat, 31 May 2025 12:34:14 -0700
Subject: Deploying a demo amd64 debian-based OS via ostree

This is a prototype outline for building and deploying a debian based OS
with ostree.  For purposes of demonstration, the OS runs from a bootable
USB device on a UEFI capable amd64 machine.  Once a USB device is
created and booted, the OS can be updated using a simple shell script.

<https://ostreedev.github.io/ostree/>
<https://www.nin.wiki/Halo_numbers>
---
 build-os | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100755 build-os

(limited to 'build-os')

diff --git a/build-os b/build-os
new file mode 100755
index 0000000..17f41bb
--- /dev/null
+++ b/build-os
@@ -0,0 +1,50 @@
+#!/bin/bash -xe
+
+set -o pipefail
+
+. config
+. sh-lib
+
+version=$( date +%Y%m%d.%H%M%S )
+
+# Check for dependencies:
+package_deps debootstrap
+
+function unmount_pseudo_filesystems(){
+	set +e
+	for dir in dev sys proc; do umount -v "$root"/"$dir"; done
+	set -e
+}
+
+function on_exit(){
+	set +e
+	unmount_pseudo_filesystems
+}
+trap on_exit EXIT
+
+root="${roots:?}"/"$version"
+
+mkdir -p "$root"
+
+# bootstrap the OS
+
+debootstrap "$codename" "$root"
+
+for dir in /proc /sys /dev; do
+	mount --bind "$dir" "$root"/"$dir"
+done
+
+export DEBIAN_FRONTEND=noninteractive
+export version
+export root
+export osname
+export osversion
+export osdesc
+export branch
+export remote
+
+run-parts --exit-on-error -- hooks/build-os
+
+unmount_pseudo_filesystems
+
+run-parts --exit-on-error -- hooks/build-os-post
-- 
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