#!/bin/bash
# This script will list all installed packages on a gentoo system
# without maintainer or old EAPI.
# depends on eix (and portage)
# License: GPL-2
# Maintainer: Jonas Stein
# Repository: https://github.com/jonasstein/packageneedsme
#
# Changelog and authors:
# 2017-11-22 add tree path detection (Nils Freydank)
# 2017-11-17 initial script (Jonas Stein)
# 2018-12-08 update loop and tree EAPI instead of installed EAPI
#	also use the parameter $1 to set maxEAPI to look at(5) (Ervin Peters)

MYPORTDIR="$(portageq get_repo_path / gentoo)"

declare -a INSTALLED  # declare an array
INSTALLED=( $(qlist -RIC|grep gentoo| cut -f 1 -d":") )

echo "These installed packages have no maintainer. The package is waiting for you:"
for catpkg in "${INSTALLED[@]}"
do
	grep -q "<!-- maintainer-needed -->" "${MYPORTDIR}"/$catpkg/metadata.xml && echo $catpkg
done

echo
echo "These installed packages use a very old EAPI. You can prepare a PR:"

maxEAPI=${1:-7} # currently in 12/2019 EAPI 7 is deprecated

for EAPI in $(seq 0 $maxEAPI); do
	echo 
	echo "Check for EAPI $EAPI:"
	INSTALLED=( $(EIX_LIMIT=0 eix --installed --in-overlay 0 --only-names --eapi $EAPI))
	for catpkg in "${INSTALLED[@]}"
	do
		echo "EAPI=$EAPI   $catpkg"
	done
done