# Maintainer: Menci <huanghaorui301@gmail.com>
# Contributor: Maddie Zhan <maddie@emzee.be>

pkgname=overture
pkgver=1.8
pkgrel=2
pkgdesc="A DNS upstream switcher written in Go in order to purify DNS records"
arch=(any)
url="https://github.com/shawn1m/overture"
license=("MIT")
makedepends=("golang-go>=1.12")
backup=("/etc/overture/config.json" "/etc/overture/hosts" "/etc/overture/china_ip_list.txt" "/etc/overture/gfwlist.txt")

_gourl=github.com/shawn1m/${pkgname}
source=("aur::git+https://aur.archlinux.org/overture.git"
        "config.yml"
        "hosts"
        "domain_ttl"
        "domain_primary"
        "domain_alternative"
        "ip_network_primary"
        "ip_network_alternative"
        "overture.service")

sha256sums=("SKIP"
            "fbcfe2e13118045ca6608e833795ea1e3e8595d2bc608e468f002a6c5c9c4c17"
            "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
            "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
            "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b"
            "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b"
            "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b"
            "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b"
            "3ff281e0fe9407b414e6c4be573bdd0afc660c961d8eb6d93bfec2e160025590")

_goroot="/usr/lib/go"

pkgver() {
  (source "${srcdir}/aur/PKGBUILD" >/dev/null && echo ${pkgver})
}

prepare() {
  git clone ${url} ${srcdir}/${pkgname}
}

build() {
  GOROOT=${_goroot}
  msg2 "Building overture"
  cd ${srcdir}/${pkgname}
  git checkout v${pkgver}
  [ ! -d ${srcdir}/${pkgname}/out ] && mkdir ${srcdir}/${pkgname}/out
  CGO_ENABLED=1 go build -ldflags="-w -s -X main.version=${pkgver}" -trimpath -o out/${pkgname} main/main.go
}

package() {
  # Binary
  install -Dm0755 "$srcdir/${pkgname}/out/$pkgname" "$pkgdir/usr/bin/$pkgname"

  # Config and other files
  install -Dm0644 "$srcdir/config.yml" "$pkgdir/etc/overture/config.yml"
  install -Dm0644 "$srcdir/hosts" "$pkgdir/etc/overture/hosts"
  install -Dm0644 "$srcdir/domain_ttl" "$pkgdir/etc/overture/domain_ttl"
  install -Dm0644 "$srcdir/domain_primary" "$pkgdir/etc/overture/domain_primary"
  install -Dm0644 "$srcdir/domain_alternative" "$pkgdir/etc/overture/domain_alternative"
  install -Dm0644 "$srcdir/ip_network_primary" "$pkgdir/etc/overture/ip_network_primary"
  install -Dm0644 "$srcdir/ip_network_alternative" "$pkgdir/etc/overture/ip_network_alternative"

  # Service
  install -Dm0644 "$srcdir/$pkgname.service" "$pkgdir/usr/lib/systemd/system/$pkgname.service"

  # License
  install -Dm0644 "$srcdir/${pkgname}/LICENSE" "$pkgdir/usr/share/licenses/$pkgname"

  # Add postinst and prerm scripts
  prerm="src/prerm"
  echo "systemctl disable --now ${pkgname}" > "${srcdir}/prerm"
}