#!/bin/sh
set -o errexit

# The first argument is the shell script that initializes the variables:
# addBuildCompatibilityLibDir
# mimeDB
# outputDir
# sourceDir
# tmpDir
# compressionLevel
# updateOnly
# cc
#
# addattr
# copyattr
# mimeset
# package
# rc
# rmAttrs
# unzip
#

if [ $# -le 1 ]; then
	echo "$0: Missing parameters!" >&2
	exit 1
fi

packagePath="$1"
packageInfoPath="$2"
shift 2

if [ $# -gt 0 ]; then
	. $1
	shift
fi

# this adds the build library dir to LD_LIBRARY_PATH
eval "$addBuildCompatibilityLibDir"


# make a clean contents dir
packageName=`basename "$packagePath"`
echo "$packageName: Removing and re-creating package contents dir ..."
contentsDir="$tmpDir/contents"
$rmAttrs -rf "$contentsDir"
mkdir -p "$contentsDir"


# map the shell commands
sPrefix=
tPrefix="$contentsDir/"
cd=cd
scd=:
cp="$copyattr -d"
copyAttrs="$copyattr"
ln=ln
mkdir=mkdir
rm=$rmAttrs
mkindex=mkindex


extractFile()
{
	# extractFile <archive> <directory> <extractedSubDir>
	archiveFile=$1
	targetExtractedDir=$2
	extractedSubDir=$3

	extractDir=$tmpDir/extract
	$rmAttrs -rf "$extractDir"
	mkdir -p "$extractDir"

	case "$archiveFile" in
		*.zip)
			$unzip -q -d "$extractDir" "$archiveFile"
			;;
		*.tgz|*.tar.gz)
			tar -C "$extractDir" -xf "$archiveFile"
			;;
		*.hpkg)
			if [ -n "$extractedSubDir" ]; then
				$package extract -C "$extractDir" "$archiveFile" \
					"$extractedSubDir"
			else
				$package extract -C "$extractDir" "$archiveFile"
			fi
			;;
		*)
			echo "Unhandled archive extension in build_haiku_image" \
				"extractFile()"
			exit 1
			;;
	esac

	$cp -r "${sPrefix}$extractDir/$extractedSubDir/." \
		"${tPrefix}$targetExtractedDir"

	$rmAttrs -rf "$extractDir"
}


# execute the scripts preparing the package contents
echo "$packageName: Collecting package contents ..."
while [ $# -gt 0 ]; do
	. $1
	shift
done


# mimeset the whole package content
echo "$packageName: mimeset'ing package contents ..."
$mimeset --mimedb "$mimeDB" "$contentsDir"


# create the package
if [ ! $updateOnly ]; then
	echo "$packageName: Creating the package ..."
	$rmAttrs -f "$packagePath"
	$package create -q "-$compressionLevel" -i "$packageInfoPath" \
		-C "$contentsDir" "$packagePath"
else
	echo "$packageName: Updating the package ..."
	$package add -q -f "-$compressionLevel" -i "$packageInfoPath" \
		-C "$contentsDir" "$packagePath" .
fi