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#!@@SHELL@@
#
# 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 2 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/>.

. @@LIBDIR@@/opkhelper/messages

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 [ ${#} -gt 0 ]; do
	oh_info 'Installing files for package "%s"...' "${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 dest/${pattern}; do
			# Ensure that the full directory path of the pattern exists in the
			# package staging area.
			dir=$(dirname ${file#dest/})
			mkdir -p ${1}.data/${dir} || exit 1
			# Move any matching files from the installation destination to the
			# package staging area.
			mv ${file} ${1}.data/${dir} || exit 1
		done
	done < ../${1}.pkg/install
	shift
done

# TODO: This should be part of some kind of warnings/lint framework/script and
# allow the user to drop to a debug shell before cleanup.
if [ "$(find dest -type f | wc -l)" -gt 0 ]; then
	oh_warn 'Files remain in installation directory'
fi

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