scratchpkg/functions/options

#!/bin/bash
			
opt_array() {
	
	for i in ${options[@]}; do
		if [[ "$i" = "$1" ]]; then
			# enable
			return 0
		elif [[ "$i" = "!$1" ]]; then
			# disable
			return 1
		fi
	done
	
	for i in ${OPTIONS[@]}; do
		if [[ "$i" = "$1" ]]; then
			# enable
			return 0
		elif [[ "$i" = "!$1" ]]; then
			# disable
			return 1
		fi
	done
	return 2

}

check_options() {
	
	opt_array $1
	
	case $? in
		0) [ $2 = y ] && return ;;
		1) [ $2 = n ] && return ;;
		*) return 2 ;;
	esac
}

removedocs() {
	
	msg2 "Removing docs..."
	for dir in ${DOC_DIRS[@]}; do
		[ -d $dir ] && rm -fr $dir
	done
	
}

removeemptydirs() {
	
	msg2 "Removing empty directories..."
	find . -type d -empty -delete
	
}

removelibtool() {
	
	msg2 "Removing libtool files..."
	find . ! -type d -name "*.la" -delete

}

purgefiles() {
	
	msg2 "Purging unwanted files..."
	for option in ${PURGE_FILES[@]}; do
		if [ -e $option ]; then
			rm -fr $option
		fi
	done
}

strip_files() {
	
	msg2 "Stripping binaries & libraries..."	
	find . -type f 2>/dev/null | while read -r binary ; do
		case "$(file -bi "$binary")" in
			*application/x-sharedlib*)  # Libraries (.so)
				strip --strip-unneeded "$binary" ;;
			*application/x-archive*)    # Libraries (.a)
				strip --strip-debug "$binary" ;;
			*application/x-object*)
				case "$binary" in
					*.ko)                   # Kernel module
						strip --strip-unneeded "$binary" ;;
					*)
						continue;;
				esac;;
			*application/x-executable*) # Binaries
				strip --strip-all "$binary" ;;
			*)
				continue ;;
		esac
	done
}

compressinfomanpages() {
	
	msg2 "Compressing man & info pages..."
	for mandir in ${MAN_DIRS[@]}; do
		if [ -d $mandir ]; then
			(cd $mandir
				for file in $(find . -type f); do
					if [ "$file" = "${file%%.gz}" ]; then
						gzip -9 "$file"
					fi
				done
				for i in $(find . -type l) ; do
					FILE="${i%%.gz}.gz"
					TARGET="$(readlink $i)"
					TARGET="${TARGET##*/}"
					TARGET="${TARGET%%.gz}.gz"
					DIR=$(dirname "$FILE")
					rm -f $i
					if [ -e "$DIR/$TARGET" ]; then
						ln -sf $TARGET $FILE
					fi
				done
			)
		fi
	done
	
	if [ -d usr/share/info ]; then
		(cd usr/share/info
			for file in $(find . -type f); do
				if [ "$file" = "${file%%.gz}" ]; then
					gzip -9 "$file"
				fi
			done
		)
	fi
}