xref: /freebsd/usr.bin/shar/shar.sh (revision bdcbfde3)

#!/bin/sh -
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright (c) 1990, 1993
#	The Regents of the University of California.  All rights reserved.
#
# 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.
# 3. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.

if [ $# -eq 0 ]; then
	echo 'usage: shar file ...' 1>&2
	exit 64			# EX_USAGE
fi

for i
do
	if [ ! \( -d $i -o -r $i \) ]; then
		echo "$i inaccessible or not exist" 1>&2
		exit 66		# EX_NOINPUT
	fi
done

cat << EOF
# This is a shell archive.  Save it in a file, remove anything before
# this line, and then unpack it by entering "sh file".  Note, it may
# create directories; files and directories will be owned by you and
# have default permissions.
#
# This archive contains:
#
EOF

for i
do
	echo "#	$i"
done

echo "#"

for i
do
	if [ -d $i ]; then
		echo "echo c - $i"
		echo "mkdir -p $i > /dev/null 2>&1"
	else
		md5sum=`echo -n $i | md5`
		echo "echo x - $i"
		echo "sed 's/^X//' >$i << '$md5sum'"
		sed 's/^/X/' $i || exit
		echo "$md5sum"
	fi
done
echo exit
echo ""

exit 0