Take this PKGBUILD:

pkgname=eclipse-subversive
pkgver=0.7.9.I20101203
pkgrel=1
pkgdesc="Eclipse plug-in that provides Subversion support."
arch=('i686' 'x86_64')
url="http://www.eclipse.org/subversive/"
license=('EPL')
depends=('eclipse' 'eclipse-subversive-svn-connector-svnkit')
source=(http://ftp-stud.fht-esslingen.de/pub/Mirrors/eclipse/technology/subversive/0.7/builds/Subversive-incubation-${pkgver}-1700.zip)

md5sums=('213f19c4ec523eba3e1000683a61eac3')

build() {
_dest="${pkgdir}/usr/share/eclipse/dropins/${pkgname/eclipse-}/eclipse"
cd "$srcdir"

install -d -m0755 $_dest/{features,plugins}
cp -r {plugins,features}/ $_dest/

find $pkgdir -type f -exec chmod 0644 {} \;
}