#!/bin/sh
################################################################################
#
#  make_openbsd_iso
#
#  A simple script for creating an OpenBSD boot ISO from
#  the specified distribution.  For example:
#
#     $ ./make_openbsd_iso amd64 snapshots
#
#  or
#
#     $ ./make_openbsd_iso amd64 4.5
#
#  Author:  David C. Snyder - 09/05/2009
#
################################################################################

ARCH=$1
REL=$2
DIR="${REL}/${ARCH}"
if [ -z "$REL" -o -z "$ARCH" ]
then
   echo "Usage: $0 architecture release (eg. amd64 4.6)"
   exit 1
fi

if [ -f ${DIR}/MD5 ]
then
   (cd $DIR 2>/dev/null && md5sum -c MD5)
   if [ $? -ne 0 ]
   then
      echo "The MD5 checksums don't match!"
      exit 2
   fi
   SUM_FILE=${DIR}/MD5
fi

if [ -f ${DIR}/SHA256 ]
then
   (cd 2>/dev/null $DIR && sha256sum -c SHA256)
   if [ $? -ne 0 ]
   then
      echo "The SHA256 checksums don't match!"
      exit 3
   fi
   SUM_FILE=${DIR}/SHA256
fi

if [ -z "$SUM_FILE" -o ! -f "$SUM_FILE" ]
then
   echo "Could not find a checksum file!"
   exit 4
fi

CD_PATH=`dirname \`strings ${DIR}/cdbr | grep $ARCH | sed 's,^/,,'\``

VER=`perl -e '
   ($d,$m,$y) = (localtime( (stat "'$SUM_FILE'")[9] ))[3..5];
   printf "OpenBSD-'${ARCH}-${REL}'-%02d-%02d-%02d", $y%100, $m+1, $d;
'`

echo "mkisofs -no-emul-boot -m \*.iso -v -r -T -J -V $VER -root ${CD_PATH} -b ${CD_PATH}/cdbr -c boot.catalog -o ${VER}.iso ${DIR}" | sh -x
echo ""
ls -l ${VER}.iso
echo ""
echo "- Now go buy some OpenBSD stuff from http://www.openbsd.org/orders.html !"