#!/bin/bash

# TODO: short desc
# DEPS: portageq, realpath (portage, coreutils)

function explore {
	local relroot cur
	if [ "$#" -ge "1" ]; then
		relroot="${1}"
	else
		echo "[-] Error, wrong number of arguments passed to explore"
		exit
	fi

	cur="${relroot}"
	if [ "$#" -eq "2" ]; then
		cur="${relroot}/${2}"
	elif [ "$#" -gt "2" ]; then
		echo "[-] Error, wrong number of arguments passed to explore"
		exit
	fi

	cur="$(realpath ${cur})"

	# Get packages files
	if [ -e "${cur}/packages" ]; then
		echo "[+] ${cur}/packages"
	fi

	if [ -e "${cur}/parent" ]; then
		while read -r line || [[ -n "${line}" ]]; do
			explore "${cur}" "${line}"
		done < "${cur}/parent"
	fi
}

EROOT="$(portageq envvar EROOT)"
PORTDIR="$(portageq get_repo_path ${EROOT} gentoo)"
CURPROFILEDIR="$(realpath ${EROOT}/etc/portage/make.profile)"

echo "[+] EROOT     : ${EROOT}"
echo "[+] PORTDIR   : ${PORTDIR}"
echo "[+] CURPROFILE: ${CURPROFILEDIR#${PORTDIR}/profiles/}"

EAPI="0"

if [ -e "${CURPROFILEDIR}/eapi" ]
then
	EAPI=$(<"${CURPROFILEDIR}/eapi")
fi
echo "[+] EAPI      : ${EAPI}"

# Deprecated file : I dont care about it for now

explore "${CURPROFILEDIR}"