build/pkg/rootfs/build

DEPENDS=$(cat "$SCRIPTDIR/cfg/$CFG/ROOTFS")

build() {
	local SOURCE="$1"
	local BUILD="$2"
	local DEPLOY="$3"

	# setup skeleton
	mkdir -pv ${BUILD}/{bin,lib,etc,dev,sys,proc,tmp,var,run}
	mkdir -pv ${BUILD}/{boot,usr,srv,mnt,opt,root}
	mkdir -pv ${BUILD}/cfg/{preserve,overlay}

	echo "/lib" > "$BUILD/etc/ld-musl-${MUSL_CPU}.path"

	if [ -e "$SCRIPTDIR/cfg/$CFG/LDPATH" ]; then
		cat "$SCRIPTDIR/cfg/$CFG/LDPATH" >> "$BUILD/etc/ld-musl-${MUSL_CPU}.path"
	fi

	chmod 750 "$BUILD/root"
	cp "$SCRIPTDIR/pkg/$PKGNAME/bash_profile" "$BUILD/root/.bash_profile"
	cp "$SCRIPTDIR/pkg/$PKGNAME/bashrc" "$BUILD/root/.bashrc"

	mkdir -pv ${BUILD}/etc/skel
	cp "$SCRIPTDIR/pkg/$PKGNAME/bash_profile" "$BUILD/etc/skel/.bash_profile"
	cp "$SCRIPTDIR/pkg/$PKGNAME/bashrc" "$BUILD/etc/skel/.bashrc"

	cp "$SCRIPTDIR/pkg/$PKGNAME/hostname" "$BUILD/etc/hostname"
	cp "$SCRIPTDIR/pkg/$PKGNAME/hosts" "$BUILD/etc/hosts"
	cp "$SCRIPTDIR/pkg/$PKGNAME/passwd" "$BUILD/etc/passwd"
	cp "$SCRIPTDIR/pkg/$PKGNAME/shadow" "$BUILD/etc/shadow"
	cp "$SCRIPTDIR/pkg/$PKGNAME/group" "$BUILD/etc/group"

	ln -s /proc/self/mounts "$BUILD/etc/mtab"

	# install packages to rootfs
	dependencies | tsort | tac | grep -v "$PKGNAME" > "$BUILD/etc/packages"
	echo "toolchain" >> "$BUILD/etc/packages"

	while read pkgname; do
		if [ ! -e "$PKGDEPLOYDIR/$pkgname" ]; then
			continue
		fi

		cp -ru --remove-destination ${PKGDEPLOYDIR}/${pkgname}/* "$BUILD"
	done < "$BUILD/etc/packages"

	# move configuration to preserve directory
	mv ${BUILD}/etc ${BUILD}/cfg/preserve
	mkdir -p ${BUILD}/etc

	mv ${BUILD}/var/lib ${BUILD}/cfg/preserve/var_lib

	mv ${BUILD}/root ${BUILD}/cfg/preserve
	mkdir -p ${BUILD}/root
	chmod 750 ${BUILD}/root
	chmod 750 ${BUILD}/cfg/preserve/root
}

deploy() {
	local SOURCE="$1"
	local BUILD="$2"
	local DEPLOY="$3"

	mksquashfs "$BUILD" "$DEPLOY/rootfs.img" -all-root -no-progress -no-xattrs
}