sortix-mirror/tix/tix-iso-add
2018-03-31 00:55:33 +02:00

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#!/bin/sh
# Copyright (c) 2017 Jonas 'Sortie' Termansen.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# tix-iso-add
# Add directory to iso filesystem.
set -e
directory=
input=
operand=1
output=
dashdash=
previous_option=
for argument do
if test -n "$previous_option"; then
eval $previous_option=\$argument
previous_option=
continue
fi
case $argument in
*=?*) parameter=$(expr "X$argument" : '[^=]*=\(.*\)' || true) ;;
*=) parameter= ;;
*) parameter=yes ;;
esac
case $dashdash$argument in
--) dashdash=yes ;;
-o) previous_option=output ;;
--output=*) output=$parameter ;;
--output) previous_option=output ;;
-*) echo "$0: unrecognized option $argument" >&2
exit 1 ;;
*)
if [ $operand = 1 ]; then
input="$argument"
operand=2
elif [ $operand = 2 ]; then
directory="$argument"
operand=3
else
echo "$0: unexpected extra operand $argument" >&2
exit 1
fi
;;
esac
done
if test -n "$previous_option"; then
echo "$0: option '$argument' requires an argument" >&2
exit 1
fi
if test -z "$input"; then
echo "$0: No input file was specified" >&2
exit 1
fi
if test -z "$output"; then
output="$input"
fi
tmpdir=
tmpdest=
cleanup() {
if [ -n "$tmpdir" ]; then rm -rf "$tmpdir"; fi
if [ -n "$tmpdest" ]; then rm -rf "$tmpdest"; fi
}
trap cleanup EXIT HUP INT QUIT TERM
if [ -z "$directory" ]; then
tmpdir=$(mktemp -d)
directory=$tmpdir
fi
# Use different -indev and -outdev as just xorriso -dev doesn't rewrite the .iso
# in the same manner.
if [ "$input" = "$output" ]; then
tmpdest=$(mktemp -d)
dest=$tmpdest/iso
else
dest=$output
rm -f -- "$dest"
fi
xorriso \
-indev "$input" \
-outdev "$dest" \
-boot_image grub keep \
-pathspecs on \
-add \
="$directory"
# xorriso doesn't write out the destination file if the directory is empty.
if [ ! -e "$dest" ]; then
cp -- "$input" "$dest"
fi
if [ "$dest" != "$output" ]; then
cp -- "$dest" "$output"
fi