PKGBUILD

# Maintainer: Moritz Lipp <mlq@pwmt.org>
pkgname=radicale
pkgver=0.8
pkgrel=4
pkgdesc="A Simple Calendar Server"
arch=any
url="http://www.radicale.org/"
license=('GPL3')
depends=('python')
backup=('etc/radicale/config')
install=${pkgname}.install
source=(
	http://pypi.python.org/packages/source/R/Radicale/Radicale-$pkgver.tar.gz
	radicale.service
)
md5sums=('ad903ead8b910180f80652c0beaebaf6'
         '62af2e07ad32a0fcece32fae68e92daf')

package() {
  cd "$srcdir/Radicale-$pkgver"
  python setup.py install --prefix=/usr --root="$pkgdir"

  install -m600 -D "$srcdir/Radicale-$pkgver/config" "$pkgdir/etc/radicale/config"
  chmod -R 600 "$pkgdir/etc/radicale/"
  install -m644 -D "$srcdir/radicale.service" "$pkgdir/usr/lib/systemd/system/radicale.service"
}

radicale.install

post_install() {
	getent group radicale &>/dev/null || groupadd radicale >/dev/null
	getent passwd radicale &>/dev/null || useradd -r -s /usr/bin/false \
		-g radicale -G radicale,http -d /etc/radicale/ radicale >/dev/null
	chown -R radicale:radicale /etc/radicale/
}

post_update() {
	chown -R radicale:radicale /etc/radicale/
}

pre_remove() {
	getent passwd radicale &>/dev/null && userdel radicale >/dev/null
	getent group radicale &>/dev/null && groupdel radicale >/dev/null
	true
}

radicale.service

[Unit]
Description=RadiCAL Server
After=syslog.target network.target

[Service]
Type=simple
ExecStart=/usr/bin/radicale -f
User=radicale
Group=radicale

[Install]
WantedBy=multi-user.target