#!/usr/bin/env zsh
# Show either installed, newest non-live or newest ebuild

setopt LOCAL_OPTIONS ERR_RETURN NO_UNSET PIPE_FAIL

autoload -U die
[[ ${ARGC} -eq 0 ]] && die 1 "Usage: ${0} <PKG>"

local pkg=${1}

local ebuild=$(qwhich --vdb --latest ${pkg})
if [[ -z ${ebuild} ]]; then
    for ebuild in $(qwhich --tree ${pkg} | sort --numeric-sort --reverse); do
        [[ ${ebuild} =~ '9999(-r\d+)?\.ebuild$' ]] || break
    done
fi

[[ -z ${ebuild} ]] && die 1 "Package not found"

less ${ebuild}