#!/bin/bash

. $(dirname ${0})/qa-include

DESC="Detect invalid interpreters."

check() {
	local failed=0

	local file
	local interpreter
	for file in $(find ${BUILDROOT} -type f 2>/dev/null); do
		# If a file is not executeable we don't need to check it
		[ -x "${file}" ] || continue

		if file_is_script ${file}; then
			interpreter=$(file_get_interpreter ${file})

			if grep -q /usr/local <<<${interpreter}; then
				failed=1
				log_error "  Interpreter in /usr/local: ${file}"
			fi

			# Search for bad /usr/bin/env
			if [ "$(basename ${interpreter})" = "env" ]; then	
				# Autofix that crap
				sed -i ${file} \
					-e "s,/usr/bin/env python.\..,/usr/bin/python," \
					-e "s,/usr/bin/env python,/usr/bin/python," \
					-e "s,/usr/bin/env perl,/usr/bin/perl,"

				# If we could not fix it, raise an error
				if [ "${interpreter}" = "$(file_get_interpreter ${file})" ]; then
					failed=1
					log_error "  Script uses forbidden \"env\" interpreter: ${file}"
				fi
			fi
		fi
	done

	return ${failed}
}

run