#!/usr/bin/env bash

setPermissions() {
    echo "nobody ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
    visudo -c
    chmod -R a+rw .
}

runScript() {
    set -euo pipefail

    pacman -Syu --noconfirm base-devel

    setPermissions

    baseDir="$PWD"
    [ -n "$INPUT_PKGDIR" ] && inBaseDir=true || inBaseDir=false
    cd "${INPUT_PKGDIR:-.}"
    oldFiles=$(find -H "$PWD" -not -path '*.git*')

    sudo -u nobody makepkg -s --noconfirm

    sudo -u nobody makepkg --printsrcinfo > .SRCINFO
    echo "::set-output name=srcInfo::.SRCINFO"
    [ $inBaseDir = false ] && mv .SRCINFO /github/workspace

    pkgFile=$(sudo -u nobody makepkg --packagelist)
    relPkgFile="$(realpath --relative-base="$baseDir" "$pkgFile")"
    echo "::set-output name=pkgFile::$relPkgFile"
    [ $inBaseDir = false ] && mv "$pkgFile" /github/workspace

    newFiles=$(find -H "$PWD" -not -path '*.git*')
    mapfile -t toRemove < <(printf '%s\n%s\n' "$newFiles" "$oldFiles" | sort | uniq -u)
    rm -rf "${toRemove[@]}"
}

runScript "$@"