rule FHaikuPackageGrist package
{
	local grist = [ Match "<(.*)>" : $(package:G) ] ;
	return hpkg_$(grist:E="")-$(package:G=) ;
}


rule HaikuPackage package
{
	local grist = [ FHaikuPackageGrist $(package) ] ;

	HAIKU_CONTAINER_GRIST on $(package) = $(grist) ;
	HAIKU_INCLUDE_IN_CONTAINER_VAR on $(package) = HAIKU_INCLUDE_IN_PACKAGES ;
	HAIKU_INSTALL_TARGETS_VAR on $(package)
		= $(grist)_HAIKU_PACKAGE_INSTALL_TARGETS ;
	HAIKU_CONTAINER_SYSTEM_DIR_TOKENS on $(package) = ;

	HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE = $(package) ;

	if $(HAIKU_PACKAGES_UPDATE_ONLY) {
		HAIKU_CONTAINER_UPDATE_ONLY on $(package) = 1 ;
		HAIKU_CONTAINER_INHERIT_UPDATE_VARIABLE on $(package)
			= HAIKU_INCLUDE_IN_IMAGE ;
	} else if $(HAIKU_UPDATE_ALL_PACKAGES) {
		HAIKU_INCLUDE_IN_IMAGE on $(package) = 1 ;
	}

	HAIKU_CONTAINER_ALWAYS_CREATE_DIRECTORIES on $(package) = 1 ;

	# If HAIKU_DONT_REBUILD_PACKAGES is defined, don't rebuild an existing
	# package.
	if $(HAIKU_DONT_REBUILD_PACKAGES) {
		local file = [ Glob $(HAIKU_PACKAGES_DIR_$(HAIKU_PACKAGING_ARCH))
			: $(package:BS) ] ;
		if $(file) {
			HAIKU_DONT_REBUILD_PACKAGE on $(package) = 1 ;
		}
	}
}


rule PreprocessPackageInfo source : directory : architecture
	: secondaryArchitecture
{
	source = $(source:G=package-info-source) ;
	SEARCH on $(source) +=
		[ FDirName $(HAIKU_PACKAGE_INFOS_DIR) $(architecture) ]
		[ FDirName $(HAIKU_PACKAGE_INFOS_DIR) any ]
		[ FDirName $(HAIKU_PACKAGE_INFOS_DIR) generic ]
	;

	local grist = package-info ;
	if $(secondaryArchitecture) {
		grist = $(grist)$(secondaryArchitecture) ;
	}
	local target = $(source:BSG=$(grist))-package-info ;
	MakeLocate $(target) : $(directory) ;

	PreprocessPackageOrRepositoryInfo $(target) : $(source) : $(architecture)
		: $(secondaryArchitecture) : useCPP ;

	# Update requires in the package info.
	if $(HAIKU_BUILD_TYPE) != bootstrap {
		local updateRequiresFiles =
			<build>update_package_requires
			[ on <repository>HaikuPorts return $(HAIKU_REPOSITORY_CACHE_FILE) ]
			;
		Depends $(target) : $(updateRequiresFiles) ;
		UpdatePackageInfoRequires $(target) : $(updateRequiresFiles) ;
	}

	return $(target) ;
}


actions UpdatePackageInfoRequires
{
	$(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR)
	"$(2[1])" "$(1)" "$(2[2])"
}


rule PreprocessPackageOrRepositoryInfo target : source : architecture
	: secondaryArchitecture : flags
{
	# PreprocessPackageOrRepositoryInfo <target> : <source> : <architecture>
	#	: [ <secondaryArchitecture> ] [ : <flags> ] ;
	# Preprocesses the package or repository info template file <source> by
	# performing several placeholder substitutions and optionally filtering it
	# through the C preprocessor.
	#
	# <target> - The generated preprocessed file.
	# <source> - The package or repository info template file.
	# <architecture> - The primary packaging architecture.
	# <secondaryArchitecture> - If given, the secondary packaging architecture
	#	the package targets. Otherwise the primary architecture is targeted.
	# <flags>:
	#	useCPP - Filter the source file through the C preprocessor after the
	#		placeholder substitutions have been performed.

	local defines = HAIKU_PACKAGING_ARCH=$(architecture)
		HAIKU_$(HAIKU_BUILD_TYPE:U)_BUILD ;
	local sedReplacements = %HAIKU_PACKAGING_ARCH%,$(architecture) ;
	if $(secondaryArchitecture) {
		defines += HAIKU_SECONDARY_PACKAGING_ARCH=$(secondaryArchitecture) ;
		sedReplacements
			+= %HAIKU_SECONDARY_PACKAGING_ARCH%,$(secondaryArchitecture) ;
		sedReplacements +=
			%HAIKU_SECONDARY_PACKAGING_ARCH_SUFFIX%,_$(secondaryArchitecture) ;
	} else {
		sedReplacements
			+= %HAIKU_SECONDARY_PACKAGING_ARCH_SUFFIX%, ;
	}
	for feature in $(HAIKU_BUILD_FEATURES) {
		local featureSplit = [ FSplitString $(feature) : ":" ] ;
		defines += HAIKU_BUILD_FEATURE_$(featureSplit:UJ=_)_ENABLED ;
	}

	local revisionFile = [ DetermineEffectiveHaikuRevision ] ;
	Depends $(target) : $(source) $(revisionFile) ;

	if useCPP in $(flags) {
		PREPROCESSOR on $(target)
			= "|" $(HOST_CC) -E -w [ FDefines $(defines) ] - ;
	} else {
		PREPROCESSOR on $(target) = ;
	}

	HAIKU_SED_REPLACEMENTS on $(target) = "-e s,$(sedReplacements),g" ;

	PreprocessPackageOrRepositoryInfo1 $(target) : $(source) $(revisionFile) ;
}


actions PreprocessPackageOrRepositoryInfo1
{
	revision=`cat $(2[2])`
	version=$(HAIKU_VERSION)_${revision}
	sed $(HAIKU_SED_REPLACEMENTS) \
			-e s,%HAIKU_VERSION%,${version}-1, \
			-e s,%HAIKU_VERSION_NO_REVISION%,${version}, $(2[1]) \
		$(PREPROCESSOR) > $(1)
}


rule BuildHaikuPackage package : packageInfo
{
	local architecture = $(HAIKU_PACKAGING_ARCH) ;
	local secondaryArchitecture ;
	if $(TARGET_PACKAGING_ARCH) != $(architecture) {
		secondaryArchitecture = $(TARGET_PACKAGING_ARCH) ;
	}

	MakeLocate $(package) : $(HAIKU_PACKAGES_DIR_$(architecture)) ;

	# Don't rebuild an existing package, if requested.
	if [ on $(package) return $(HAIKU_DONT_REBUILD_PACKAGE) ] {
		NoUpdate $(package) ;
		BuildHaikuPackageDummy $(package) ;
		return ;
	}

	local grist = [ FHaikuPackageGrist $(package) ] ;

	local tempDir = [ FDirName
		$(HAIKU_PACKAGES_BUILD_DIR_$(architecture)) $(HAIKU_BUILD_TYPE) $(grist)
	] ;
	local scriptDir = [ FDirName $(tempDir) scripts ] ;

	#  build the package info and locate the package
	packageInfo = [ PreprocessPackageInfo $(packageInfo) : $(tempDir)
		: $(architecture) : $(secondaryArchitecture) ] ;
	Depends $(package) : $(packageInfo) ;

	# prepare the script that initializes the shell variables
	local initVariablesScript = <$(grist)>haiku.package-init-vars ;
	MakeLocate $(initVariablesScript) : $(scriptDir) ;
	Always $(initVariablesScript) ;

	local script = $(initVariablesScript) ;
	AddVariableToScript $(script) : sourceDir : $(HAIKU_TOP) ;
	AddVariableToScript $(script) : outputDir : $(HAIKU_OUTPUT_DIR) ;
	AddVariableToScript $(script) : tmpDir : $(tempDir) ;
	AddVariableToScript $(script) : addBuildCompatibilityLibDir
		: $(HOST_ADD_BUILD_COMPATIBILITY_LIB_DIR) ;
	AddVariableToScript $(script) : compressionLevel
		: [ on $(package) return $(HAIKU_PACKAGE_COMPRESSION_LEVEL) ] ;
	AddVariableToScript $(script) : updateOnly
		: [ on $(package) return $(HAIKU_CONTAINER_UPDATE_ONLY) ] ;
	AddVariableToScript $(script) : cc : $(TARGET_CC_$(architecture)) ;
	AddTargetVariableToScript $(script) : <build>addattr ;
	AddTargetVariableToScript $(script) : <build>copyattr ;
	AddTargetVariableToScript $(script) : <mimedb>mime_db : mimeDB ;
	AddTargetVariableToScript $(script) : <build>mimeset ;
	AddTargetVariableToScript $(script) : <build>package ;
	AddTargetVariableToScript $(script) : <build>rc ;
	AddTargetVariableToScript $(script) : <build>resattr ;
	AddTargetVariableToScript $(script) : <build>unzip ;
	if $(HOST_RM_ATTRS_TARGET) {
		AddTargetVariableToScript $(script) : $(HOST_RM_ATTRS_TARGET)
			: rmAttrs ;
	} else {
		AddVariableToScript $(script) : rmAttrs : rm ;
	}

	# create the other scripts
	local makeDirsScript = <$(grist)>haiku.package-make-dirs ;
	local copyFilesScript = <$(grist)>haiku.package-copy-files ;
	local extractFilesScript = <$(grist)>haiku.package-extract-files ;

	MakeLocate $(makeDirsScript) $(copyFilesScript) $(extractFilesScript)
		: $(scriptDir) ;

	CreateContainerMakeDirectoriesScript $(package) : $(makeDirsScript) ;
	CreateContainerCopyFilesScript $(package) : $(copyFilesScript) ;
	CreateContainerExtractFilesScript $(package) : $(extractFilesScript) ;

	local scripts = $(initVariablesScript) $(makeDirsScript)
		$(copyFilesScript) $(extractFilesScript) ;

	# call the build actions
	local mainScript = build_haiku_package ;
	SEARCH on $(mainScript) = [ FDirName $(HAIKU_TOP) build scripts ] ;

	Depends $(package) : $(mainScript) $(scripts) ;
	BuildHaikuPackage1 $(package) : $(mainScript) $(packageInfo) $(scripts) ;
}


actions BuildHaikuPackage1
{
	$(2[1]) "$(1)" "$(2[2])" $(2[3-])
}


actions BuildHaikuPackageDummy
{
	# do nothing
}


rule FDontRebuildCurrentPackage
{
	on $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
		return $(HAIKU_DONT_REBUILD_PACKAGE) ;
}


rule AddDirectoryToPackage directoryTokens : attributeFiles
{
	if ! [ FDontRebuildCurrentPackage ] {
		return [ AddDirectoryToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(directoryTokens) : $(attributeFiles) ] ;
	}
}


rule AddFilesToPackage directory : targets : destName
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddFilesToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(directory) : $(targets) : $(destName) ;
	}
}


rule AddSymlinkToPackage directoryTokens : linkTarget : linkName
{
	if ! [ FDontRebuildCurrentPackage ] {
		linkTarget = $(linkTarget:J=/) ;

		AddSymlinkToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(directoryTokens) : $(linkTarget) : $(linkName) ;
	}
}


rule CopyDirectoryToPackage directoryTokens : sourceDirectory
	: targetDirectoryName : excludePatterns : flags
{
	if ! [ FDontRebuildCurrentPackage ] {
		CopyDirectoryToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(directoryTokens) : $(sourceDirectory) : $(targetDirectoryName)
			: $(excludePatterns) : $(flags) ;
	}
}


rule AddHeaderDirectoryToPackage dirTokens : dirName : flags
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddHeaderDirectoryToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(dirTokens) : $(dirName) : $(flags) ;
	}
}


rule AddWifiFirmwareToPackage driver : subDirToExtract : archive
	: extract
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddWifiFirmwareToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(driver) : $(subDirToExtract) : $(archive) : $(extract) ;
	}
}


rule ExtractArchiveToPackage dirTokens : archiveFile : flags : extractedSubDir
{
	if ! [ FDontRebuildCurrentPackage ] {
		ExtractArchiveToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(dirTokens) : $(archiveFile) : $(flags) : $(extractedSubDir) ;
	}
}


rule AddDriversToPackage relativeDirectoryTokens : targets
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddDriversToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(relativeDirectoryTokens) : $(targets) ;
	}
}


rule AddNewDriversToPackage relativeDirectoryTokens : targets
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddNewDriversToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(relativeDirectoryTokens) : $(targets) ;
	}
}


rule AddBootModuleSymlinksToPackage targets
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddBootModuleSymlinksToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(targets) ;
	}
}


rule AddLibrariesToPackage directory : libs
{
	if ! [ FDontRebuildCurrentPackage ] {
		AddLibrariesToContainer $(HAIKU_CURRENTLY_BUILT_HAIKU_PACKAGE)
			: $(directory) : $(libs) ;
	}
}


# default value for the package compression level
HAIKU_PACKAGE_COMPRESSION_LEVEL ?= 9 ;