OpenWrt – Rev 4

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#!/usr/bin/env bash
# Create a new openwrt tree with symlinks pointing at the current tree
# Usage: ./scripts/symlink-tree.sh <destination>

FILES="
        BSDmakefile
        config
        Config.in
        LICENSE
        Makefile
        README
        dl
        feeds.conf.default
        include
        package
        rules.mk
        scripts
        target
        toolchain
        tools"

OPTIONAL_FILES="
        .git"

if [ -f feeds.conf ] ; then
        FILES="$FILES feeds.conf"
fi

if [ -z "$1" ]; then
        echo "Syntax: $0 <destination>" >&2
        exit 1
fi

if [ -e "$1" ]; then
        echo "Error: $1 already exists" >&2
        exit 1
fi

set -e # fail if any commands fails
mkdir -p dl "$1"
for file in $FILES; do
        [ -e "$PWD/$file" ] || {
                echo "ERROR: $file does not exist in the current tree" >&2
                exit 1
        }
        ln -s "$PWD/$file" "$1/"
done
for file in $OPTIONAL_FILES; do
        [ -e "$PWD/$file" ] && ln -s "$PWD/$file" "$1/"
done
exit 0