create-hercules-dasd

#!/bin/sh -eux

# create-hercules-dasd: create Hercules DASD container files
# Copyright (C) 2018  "Michael G. Morey" <mgmorey@gmail.com>

# 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 3 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 <https://www.gnu.org/licenses/>.

DIR=$HOME/Documents/Mainframe/dasd
INIT="dasdinit -a -lfs -linux"

INSTANCE=0
MODEL=3390

abort() {
    printf "$@" >&2
    exit 1
}

abort_not_supported() {
    abort '%s: %s: %s not supported\n' "$0" "$PRETTY_NAME" "$*"
}

assert() {
    "$@" || abort '%s: Assertion failed: %s\n' "$0" "$*"
}

eval $(get-os-release -x)

case "$kernel_name" in
    (Linux|GNU)
	;;
    (*)
	abort_not_supported "Operating system"
	;;
esac

mkdir -p $DIR
cd $DIR

for CUU in 120 121 122 130 131 132; do
    FILE=$MODEL.LINUX.$INSTANCE$CUU

    case $CUU in
	(??0) TYPE=9
		 ;;
	(??1) TYPE=3
	       ;;
	(??2) TYPE=2
	       ;;
    esac

    if [ ! -f $FILE ]; then
	$INIT $FILE $MODEL-$TYPE LIN$CUU
    fi
done