1 files changed, 144 insertions, 0 deletions
diff --git a/scripts/build_rootfs.sh b/scripts/build_rootfs.sh
new file mode 100755
index 0000000..3c30bb1
--- /dev/null
+++ b/scripts/build_rootfs.sh
@@ -0,0 +1,144 @@
+#!/bin/sh
+
+set -e
+
+usage() {
+	echo "Usage: $0 [-o|--output <dst file>] [-p|--packages <packages>] [-f|--files <files>] [-m|--metadata <metadata.yaml>] <src tar>"
+	exit 1
+}
+
+dst_file=/dev/stdout
+
+temp=$(getopt -o "o:p:f:m:" -l "output:,packages:,files:,metadata:,help" -- "$@")
+eval set -- "$temp"
+while true; do
+	case "$1" in
+		-p|--packages)
+			packages="$2"; shift 2;;
+		-o|--output)
+			dst_file="$2"; shift 2;;
+		-f|--files)
+			files="$2"; shift 2;;
+		-m|--metadata)
+			metadata=`basename $2`
+			metadata_dir=`dirname $2`
+			shift 2;;
+		--help)
+			usage;;
+		--)
+			shift; break;;
+	esac
+done
+
+if [ $# -ne 1 ]; then
+	usage
+fi
+
+src_tar=$1
+base=`basename $src_tar`
+dir=/tmp/build.$$
+files_dir=files/
+instroot=$dir/rootfs
+cache=dl/packages/$ARCH/$SUBARCH
+
+test -e $cache || mkdir -p $cache
+OPKG="env LD_PRELOAD= IPKG_NO_SCRIPT=1 IPKG_INSTROOT=$instroot $SDK/staging_dir/host/bin/opkg -o $instroot --cache $cache"
+
+unpack() {
+	mkdir -p $instroot
+	cat $src_tar | (cd $instroot && tar -xz)
+}
+
+pack() {
+	echo Pack rootfs
+	if test -n "$metadata"; then
+		(cd $dir && tar -cz *) > $dst_file
+	else
+		(cd $dir/rootfs && tar -cz *) > $dst_file
+	fi
+}
+
+pack_squashfs() {
+	echo Pack rootfs squashfs
+	mksquashfs $dir $dst_file
+}
+
+disable_root() {
+	sed -i -e 's/^root::/root:*:/' $instroot/etc/shadow
+}
+
+add_file() {
+    file=$1
+    src_dir=$2
+    dst_dir=$3
+
+    src=$src_dir/$file
+    dst=$dst_dir/$file
+
+    if test -d $src; then
+	test -d $dst || mkdir -p $dst
+    elif test -f $src; then
+	cp $src $dst
+	foo=$(dirname $file)
+	if [ "$foo" = "./etc/init.d" ]; then
+	    echo Enabling $file
+	    set +e
+	    env IPKG_INSTROOT=$instroot sh $instroot/etc/rc.common $dst enable
+	    set -e
+	fi
+    fi
+}
+
+add_files() {
+	src_dir=$1
+	dst_dir=$2
+
+	for f in $(cd $src_dir && find); do
+		add_file $f $src_dir $dst_dir
+	done
+}
+
+add_package() {
+	local ipkg=$1
+	$OPKG install $ipkg
+}
+
+add_packages() {
+	local dir=$1
+	for f in $dir/*.ipk; do
+		add_package $f
+	done
+}
+
+update_packages() {
+	$OPKG update
+	local upgradable="$($OPKG list-upgradable|cut -d ' ' -f 1)"
+	for pkg in $upgradable; do
+		echo Upgrading $pkg
+		$OPKG upgrade $pkg
+	done
+}
+
+install_packages() {
+	local packages="$1"
+	for pkg in $packages; do
+		echo Install $pkg
+		$OPKG install $pkg
+	done
+}
+
+unpack
+disable_root
+if test -n "$metadata"; then
+	add_file $metadata $metadata_dir $dir
+fi
+add_files templates/ $dir/templates/
+add_packages bin/packages/${ARCH}/${SUBARCH}
+update_packages
+install_packages "$packages"
+add_files $files_dir $instroot
+if test -n "$files"; then
+	add_files $files $instroot
+fi
+pack
+#pack_squashfs