From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 10 May 2021 21:42:24 +0000 (+0000)
Subject: Add scaffolding of a script that masters an ISO image
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d26c6d2a7e9fc0882e7f72e96cd83e09bc80a475;p=people%2Fms%2Fbricklayer.git

Add scaffolding of a script that masters an ISO image

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/Makefile.am b/Makefile.am
index 3e52766..50ff0d1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -41,7 +41,8 @@ po/POTFILES.in: Makefile
 		sed -e "s@$(abs_srcdir)/@@g" | LC_ALL=C sort > $@
 
 dist_bin_SCRIPTS = \
-	src/bricklayer
+	src/bricklayer \
+	src/bricklayer-master
 
 dist_pkgpython_PYTHON = \
 	src/python/__init__.py \
diff --git a/src/bricklayer-master b/src/bricklayer-master
new file mode 100644
index 0000000..4d1158f
--- /dev/null
+++ b/src/bricklayer-master
@@ -0,0 +1,115 @@
+#!/bin/bash
+###############################################################################
+#                                                                             #
+# Bricklayer - An Installer for IPFire                                        #
+# Copyright (C) 2021 IPFire Development Team                                  #
+#                                                                             #
+# This program is free software; you can redistribute it and/or               #
+# modify it under the terms of the GNU General Public License                 #
+# as published by the Free Software Foundation; either version 2              #
+# of the License, or (at your option) any later version.                      #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+mkimage() {
+	local filename="${1}"
+	local r=0
+
+	# Create a temporary working directory
+	local tempdir="$(mktemp -d)"
+
+	# Create argument list for xorriso
+	local args=(
+		# Emulate running as mkisofs
+		-as mkisofs
+
+		# Be less verbose
+		-quiet
+
+		# The name of the volume
+		-volid "${name}"
+
+		-iso-level 3
+		-eltorito-alt-boot
+		-no-emul-boot
+
+		# Where to write the output to?
+		-output "${filename}"
+
+		# What files to package?
+		"${tempdir}"
+	)
+
+	# Append EFI arguments
+	if [ "${efi}" = "true" ]; then
+		args+=(
+			-e "EFI/efiboot.img"
+		)
+	fi
+
+	if ! xorriso "${args[@]}"; then
+		r=1
+	fi
+
+	# Cleanup
+	rm -rf "${tempdir}"
+
+	return "${r}"
+}
+
+main() {
+	local arch="$(uname -m)"
+	local efi="true"
+	local filename
+
+	while [ $# -gt 0 ]; do
+		case "${1}" in
+			--arch=*)
+				arch="${1#*=}"
+				;;
+
+			--disable-efi)
+				efi="false"
+				;;
+
+			*.iso)
+				if [ -n "${filename}" ]; then
+					echo "Filename has already been set" >&2
+					return 2
+				fi
+
+				filename="${1}"
+				;;
+
+			*)
+				echo "Unhandled argument: ${1}" >&2
+				return 2
+				;;
+		esac
+		shift
+	done
+
+	# Was filename set?
+	if [ -z "${filename}" ]; then
+		echo "You have not specified a target filename" >&2
+		return 2
+	fi
+
+	# Make image and delete it if something went wrong
+	if ! mkimage "${filename}"; then
+		unlink "${filename}"
+		return 1
+	fi
+
+	return 0
+}
+
+main "$@" || exit $?