_gemname=em-websocket
pkgname=ruby-$_gemname
pkgver=0.5.2
pkgrel=3
pkgdesc="EventMachine based WebSocket server"
arch=('any')
url="https://github.com/igrigorik/em-websocket"
license=('MIT')
depends=(
  'ruby'
  'ruby-eventmachine'
  'ruby-http_parser.rb'
)
options=('!emptydirs')
source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
b2sums=('91d41044e20f1f8277527205e3ee6671de2a1fb9b433c18d5b48a166c7cfa53c6553e32b726326f126981f0e014625075bc918b71e00bd8a6919670c370b6cab')

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

  # mangle gemspec
  sed -E \
    -e 's/~>/>=/g' \
    -e 's|git ls-files|find -type f\|sed "s,\\\\./,,g"|' \
    -e '/test_files/d' \
    -e '/executables/d' \
    -i "$_gemname.gemspec"
}

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

  gem build "$_gemname.gemspec"
}

package() {
  local _gemdir="$(ruby -e'puts Gem.default_dir')"

  cd "$_gemname-$pkgver"

  gem install \
    --ignore-dependencies \
    --no-user-install \
    --no-document \
    --install-dir "$pkgdir/$_gemdir" \
    --bindir "$pkgdir/usr/bin" \
    "$_gemname-$pkgver.gem"

  # delete cache
  cd "$pkgdir/$_gemdir"
  rm -vrf cache

  # delete unnecessary files & folders
  cd "gems/$_gemname-$pkgver"
  rm -vrf .gitignore spec Gemfile Rakefile "$_gemname.gemspec"


  # move documentation
  install -vd "$pkgdir/usr/share/doc/$pkgname"
  mv -vt "$pkgdir/usr/share/doc/$pkgname" \
    CHANGELOG.rdoc README.md examples

  # move license
  install -vd "$pkgdir/usr/share/licenses/$pkgname"
  mv -v -t "$pkgdir/usr/share/licenses/$pkgname" LICENCE
}