Removes toolchain-wrapper added by recent versions of Buildroot

remove_br_wrapper.sh

#!/bin/bash

if [ ! -f toolchain-wrapper ]; then
	echo "Not a bin folder or wrapper already removed"
	exit 1
fi

echo ":: Replacing symlinks to toolchain-wrapper"

for file in *; do
	[ ! -L $file ] && continue
	[ ! "$(readlink $file)" == "toolchain-wrapper" ] && continue
	if [ -f $file.br_real ]; then
		rm $file
		mv -v $file.br_real $file
	else
		echo "Real version of $file doesn't exist, skipping."
	fi
done

echo ":: Fixing broken symlinks"

for file in *; do
	[ ! -L $file ] && continue
	link="$(readlink $file)"
	grep -vq '\.br_real$' <<<$link && continue
	link=${link%.br_real}
	ln -svf $link $file
done

echo ":: Deleting toolchain-wrapper"

rm -v toolchain-wrapper