Fixed PKGBUILD for coffee-script-git

PKGBUILD

# Contributor: Stephen Diehl <sdiehl at clarku dot edu>
pkgname=coffee-script-git
pkgver=20110210
pkgrel=1
pkgdesc='CoffeeScript is a little language that compiles into JavaScript.'
arch=any
url=http://coffeescript.org
license=(custom)
makedepends=(nodejs)
md5sums=()
source=()

_gitroot=(https://github.com/jashkenas/coffee-script.git)
_gitname='coffee-script'

build() {
  cd "$srcdir"
  msg "Connecting to the coffee-script git repository..."

  if [ -d "$srcdir/$_gitname" ] ; then
    cd $_gitname && git pull origin
    msg "The local files are updated."
  else
    git clone $_gitroot
  fi

  msg "GIT checkout done or server timeout"
  msg "Starting make..."

  cd "$srcdir"

  rm -rf $_gitname-build
  git clone $_gitname $_gitname-build
  cd $_gitname-build

  install -dm755 "$pkgdir/usr/bin"
  bin/cake --prefix "$pkgdir/usr" install

  rm $pkgdir/usr/bin/{coffee,cake}
  ln -s /usr/lib/coffee-script/bin/coffee $pkgdir/usr/bin/coffee
  ln -s /usr/lib/coffee-script/bin/cake $pkgdir/usr/bin/cake

  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/${pkgname}/LICENSE"
  install -Dm644 README "$pkgdir/usr/share/doc/${pkgname}/README"
}