# This file is part of BlackArch Linux ( https://www.blackarch.org/ ).
# See COPYING for license details.
#
# Old Maintainer: Justin Kromlinger <hashworks@archlinux.org>
# Old Contributor: Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
# Old Contributor: Marcello "mererghost" Rocha <https://github.com/mereghost>
# Refactored by Blaž "Speed" Hrastnik <https://github.com/archSeer>

pkgname=elasticsearch
pkgver=7.10.2
pkgrel=3
pkgdesc='Distributed RESTful search engine built on top of Lucene.'
arch=('x86_64' 'aarch64')
url='https://www.elastic.co/products/elasticsearch/'
license=('Apache')
depends=('java-runtime-headless<=16' 'systemd' 'libxml2')
makedepends=('java-environment=11')
source=("$pkgname-$pkgver.tar.gz"::"https://github.com/elastic/elasticsearch/archive/v$pkgver.tar.gz"
         elasticsearch.service
         elasticsearch@.service
         elasticsearch-keystore.service
         elasticsearch-keystore@.service
         elasticsearch-sysctl.conf
         elasticsearch-user.conf
         elasticsearch-tmpfile.conf
         elasticsearch.default
         remove-systemd-distribution-check.patch
         patch-log4j-JAR-to-remove-JndiLookup-class-81629.patch
)
sha512sums=('225cb08d89364e9867ff6a98a04a60ea3d3e39f6869bb52c91dd119774f9fdf7d13881d19a1371f34c17dd1e22e9a10674a867eba777289164b45e29a5c65b6d'
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backup=('etc/elasticsearch/elasticsearch.yml'
        'etc/elasticsearch/log4j2.properties'
        'etc/elasticsearch/jvm.options'
        'etc/default/elasticsearch')

prepare() {
  cd "$pkgname-$pkgver"

  patch -Np1 -i "$srcdir/remove-systemd-distribution-check.patch"
  patch -Np1 -i "$srcdir/patch-log4j-JAR-to-remove-JndiLookup-class-81629.patch"
  sed -i 's|${versions.log4j}|2.11.1|' libs/log4j/build.gradle
}

build() {
  cd "$pkgname-$pkgver"

  export PATH=/usr/lib/jvm/java-11-openjdk/bin:$PATH
  export GRADLE_OPTS="-Dbuild.snapshot=false -Dlicense.key=x-pack/plugin/core/snapshot.key"
  ./gradlew :distribution:buildSystemdModule
  ./gradlew :distribution:archives:linux-tar:build
}

package() {
  cd "$pkgname-$pkgver"

  install -dm 755 "$pkgdir"/{usr/share,var/lib,var/log}/elasticsearch
  install -dm 755 "$pkgdir"/usr/bin

  tar xf distribution/archives/linux-tar/build/distributions/elasticsearch-$pkgver-*linux-x86_64.tar.gz \
    --strip 1 -C "$pkgdir/usr/share/elasticsearch"
  rm -r "$pkgdir/usr/share/elasticsearch/"{jdk,logs}

  install -dm 755 "$pkgdir/etc"
  mv "$pkgdir/usr/share/elasticsearch/config" "$pkgdir/etc/elasticsearch"
  chmod 2750 "$pkgdir/etc/elasticsearch"

  for bin in "$pkgdir/usr/share/elasticsearch/bin/"*; do
    ln -sT /usr/share/elasticsearch/bin/$(basename $bin) \
      "$pkgdir/usr/bin/"$(basename $bin)
  done

  ln -s /etc/elasticsearch "$pkgdir/usr/share/elasticsearch/config"
  ln -s /var/log/elasticsearch "$pkgdir/usr/share/elasticsearch/logs"
  ln -s /var/lib/elasticsearch "$pkgdir/usr/share/elasticsearch/data"

  install -Dm 644 "$srcdir/elasticsearch.service" \
    "$pkgdir/usr/lib/systemd/system/elasticsearch.service"
  install -Dm 644 "$srcdir/elasticsearch@.service" \
    "$pkgdir/usr/lib/systemd/system/elasticsearch@.service"
  install -Dm 644 "$srcdir/elasticsearch-keystore.service" \
    "$pkgdir/usr/lib/systemd/system/elasticsearch-keystore.service"
  install -Dm 644 "$srcdir/elasticsearch-keystore@.service" \
    "$pkgdir/usr/lib/systemd/system/elasticsearch-keystore@.service"
  install -Dm 644 "$srcdir/elasticsearch-user.conf" \
    "$pkgdir/usr/lib/sysusers.d/elasticsearch.conf"
  install -Dm 644 "$srcdir/elasticsearch-tmpfile.conf" \
    "$pkgdir/usr/lib/tmpfiles.d/elasticsearch.conf"
  install -Dm 644 "$srcdir/elasticsearch-sysctl.conf" \
  "$pkgdir/usr/lib/sysctl.d/elasticsearch.conf"
  install -Dm 644 "$srcdir/elasticsearch.default" \
    "$pkgdir/etc/default/elasticsearch"

  cp -r distribution/build/outputs/systemd/modules/systemd \
    "$pkgdir/usr/share/elasticsearch/modules/"

  sed -i '2iJAVA_HOME=/usr/lib/jvm/default-runtime' \
    "$pkgdir/usr/share/elasticsearch/bin/elasticsearch-env"
  sed -i 's/ES_BUNDLED_JDK=true/ES_BUNDLED_JDK=false/g' \
    "$pkgdir/usr/share/elasticsearch/bin/elasticsearch-env"

  install -Dm 644 LICENSE.txt "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}