#! /bin/sh
#
# opkhelper
# src/oh-installfiles
# Install files into a binary package staging area.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# 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 <http://www.gnu.org/licenses/>.

print_usage()
{
	printf 'Usage: %s pkgname...\n' "$1"
}

if [ ${#} -eq 0 ]; then
	print_usage ${0} >&2
	exit 1
fi

# Set the IFS to just the linebreak character to make the 'read' utility output
# entire lines.
OLDIFS="${IFS}"
IFS='
'

# Iterate over packages.
while [ ${#} -gt 0 ]; do
	printf 'oh-installfiles: Installing files for package "%s"...\n' "${1}"

	mkdir ${1}.data || exit 1
	chmod 755 ${1}.data || exit 1

	# Loop over lines in the 'install' file.
	while read -r pattern; do
		for file in ${pattern}; do
			# Ensure that the full directory path of the pattern exists in the
			# package staging area.
			dir=$(dirname ${file})
			mkdir -p ${1}.data/${dir} || exit 1
			# Move any matching files from the installation destination to the
			# package staging area.
			mv dest/${file} ${1}.data/${dir} || exit 1
		done
	done < ../${1}.pkg/install
	shift
done

# Reset the IFS.
IFS="${OLDIFS}"