This repository has no description
tools: extract build-installer-iso to separate tool
author
lassulus
date
(Jun 19, 2025, 7:31 PM CEST)
commit
8b655e40
8b655e401a7ffe0b69ad68b4f6dd662ce362a151
parent
3a0a74e5
3a0a74e551b4217cb7bdab4e13b3c11a0a9f85e2
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-76
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flake.nix
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flake.nix
···
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};
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};
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clan-cli = clan-core.packages.${system}.clan-cli;
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# Script to build installer ISO with custom vars
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build-installer-iso = pkgs.writeShellScriptBin "build-installer-iso" ''
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set -euo pipefail
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set -x
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# Default values
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OUTPUT="installer.iso"
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ARCH="x86_64-linux" # Default to x86_64-linux for cross-compilation
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VARS_DIR=""
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usage() {
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cat <<EOF
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Usage: $0 [OPTIONS]
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Build a NixOS installer ISO with custom vars appended.
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OPTIONS:
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-o, --output FILE Output ISO file (default: installer.iso)
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-a, --arch ARCH Architecture: x86_64-linux or aarch64-linux (default: x86_64-linux)
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-v, --vars DIR Directory containing vars to append to ISO
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-h, --help Show this help message
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EXAMPLE:
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$0 -o my-installer.iso -v ./my-vars -a x86_64-linux
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EOF
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}
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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-o|--output)
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OUTPUT="$2"
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shift 2
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;;
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-a|--arch)
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ARCH="$2"
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shift 2
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;;
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-v|--vars)
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VARS_DIR="$2"
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shift 2
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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echo "Unknown option: $1"
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usage
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exit 1
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;;
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esac
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done
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# Build the base ISO
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echo "Building base ISO for $ARCH..."
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BASE_ISO=$(nix build -L --no-link --print-out-paths ${self}#clanInternals.machines.$ARCH.installer.config.system.build.images.iso-installer)
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if [ -z "$VARS_DIR" ]; then
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# No vars specified, just copy the base ISO
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echo "No vars directory specified, copying base ISO..."
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cp "$BASE_ISO"/iso/*.iso "$OUTPUT"
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else
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# Append vars using xorriso - preserve boot structure
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echo "Appending vars from $VARS_DIR to ISO..."
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${pkgs.xorriso}/bin/xorriso \
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-indev "$BASE_ISO"/iso/*.iso \
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-outdev "$OUTPUT" \
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-boot_image any replay \
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-map "$VARS_DIR" /vars \
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-commit_eject all
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fi
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echo "ISO created: $OUTPUT"
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'';
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};
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devShells.default = pkgs.mkShell {
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packages = [
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tools/build-installer-iso/build-installer-iso.sh
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tools/build-installer-iso/build-installer-iso.sh
···
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#!/usr/bin/env bash
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set -euo pipefail
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set -x
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# Default values
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OUTPUT="installer.iso"
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ARCH="x86_64-linux" # Default to x86_64-linux for cross-compilation
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VARS_DIR=""
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usage() {
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cat <<EOF
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Usage: $0 [OPTIONS]
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Build a NixOS installer ISO with custom vars appended.
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OPTIONS:
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-o, --output FILE Output ISO file (default: installer.iso)
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-a, --arch ARCH Architecture: x86_64-linux or aarch64-linux (default: x86_64-linux)
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-v, --vars DIR Directory containing vars to append to ISO
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-h, --help Show this help message
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EXAMPLE:
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$0 -o my-installer.iso -v ./my-vars -a x86_64-linux
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EOF
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}
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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-o|--output)
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OUTPUT="$2"
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shift 2
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;;
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-a|--arch)
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ARCH="$2"
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shift 2
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;;
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-v|--vars)
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VARS_DIR="$2"
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shift 2
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;;
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-h|--help)
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usage
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exit 0
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;;
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*)
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echo "Unknown option: $1"
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usage
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exit 1
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;;
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esac
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done
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# Build the base ISO
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echo "Building base ISO for $ARCH..."
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BASE_ISO=$(nix build -L --no-link --print-out-paths "$FLAKE_ROOT#clanInternals.machines.$ARCH.installer.config.system.build.images.iso-installer")
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if [ -z "$VARS_DIR" ]; then
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# No vars specified, just copy the base ISO
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echo "No vars directory specified, copying base ISO..."
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cp "$BASE_ISO"/iso/*.iso "$OUTPUT"
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else
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# Append vars using xorriso - preserve boot structure
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echo "Appending vars from $VARS_DIR to ISO..."
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xorriso \
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-indev "$BASE_ISO"/iso/*.iso \
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-outdev "$OUTPUT" \
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-boot_image any replay \
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-map "$VARS_DIR" /vars \
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-commit_eject all
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fi
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echo "ISO created: $OUTPUT"
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tools/build-installer-iso/flake-module.nix
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tools/build-installer-iso/flake-module.nix
···
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{ self, ... }:
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{
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perSystem =
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{ pkgs, ... }:
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{
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packages.build-installer-iso = pkgs.writeShellApplication {
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name = "build-installer-iso";
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runtimeInputs = with pkgs; [
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xorriso
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coreutils
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nix
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];
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text = ''
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# Export flake root for the script to use
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export FLAKE_ROOT="${self}"
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${builtins.readFile ./build-installer-iso.sh}
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'';
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};
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};
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}