build: add a first bootable iso :)

build/common.sh

@@ -27,8 +27,18 @@
 
 set -e
 
-export SETSDIR=/tmp/sets
-export SRCDIR=/usr/src
+# build directories
+export STAGEDIR="/usr/local/stage"
+export IMAGESDIR="/tmp/images"
+export SETSDIR="/tmp/sets"
+
+# target files
+export ISOPATH="${IMAGESDIR}/LiveCD.iso"
+
+# code reositories
+export SRCDIR="/usr/src"
+
+# misc. foo
 export CPUS=`sysctl kern.smp.cpus | awk '{ print $2 }'`
 
 # print environment to showcase all of our variables
@@ -51,6 +61,20 @@ git_clear()
 	set -e
 }
 
+setup_base()
+{
+	echo ">>> Setting up world in ${1}"
+
+	(cd ${1} && tar -Jxpf ${SETSDIR}/base.txz)
+}
+
+setup_kernel()
+{
+	echo ">>> Setting up kernel in ${1}"
+
+	(cd ${1} && tar -Jxpf ${SETSDIR}/kernel.txz)
+}
+
 setup_stage()
 {
 	rm -rf "${1}" 2>/dev/null ||

build/iso.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+
+# Copyright (c) 2004-2009 Scott Ullrich
+# Copyright (c) 2014 Franco Fichtner <franco@lastsummer.de>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+set -e
+
+. ./common.sh
+
+mkdir -p ${IMAGESDIR}
+
+setup_stage ${STAGEDIR}
+setup_base ${STAGEDIR}
+setup_kernel ${STAGEDIR}
+
+echo -n ">>> Building ISO image... "
+
+mtree -Pcp ${STAGEDIR} | bzip2 -9 > root.dist.bz2
+mkdir -p ${STAGEDIR}/dist
+mv root.dist.bz2 ${STAGEDIR}/dist/
+
+WORKDIR=/tmp/iso.$$
+# must be upper case:
+ISOLABEL=LIVECD
+
+mkdir -p ${WORKDIR}/etc
+echo "/dev/iso9660/${ISOLABEL} / cd9660 ro 0 0" > ${WORKDIR}/etc/fstab
+
+makefs -t cd9660 -o bootimage="i386;${STAGEDIR}/boot/cdboot" \
+    -o no-emul-boot -o label=${ISOLABEL} -o rockridge \
+    ${ISOPATH} ${STAGEDIR} ${WORKDIR}
+
+rm -rf ${WORKDIR}
+
+echo "done"