user/avahi: New package

user/avahi/APKBUILD

+# Contributor: A. Wilcox <awilfox@adelielinux.org>
+# Maintainer: A. Wilcox <awilfox@adelielinux.org>
+pkgname=avahi
+pkgver=0.8
+pkgrel=0
+pkgdesc="Local network service discovery library"
+url="https://avahi.org/"
+arch="all"
+license="LGPL-2.1+"
+depends=""
+makedepends="dbus-dev expat-dev glib-dev gobject-introspection-dev
+	gtk+3.0-dev libdaemon-dev libevent-dev qt5-qtbase-dev doxygen
+	py3-dbus-python py3-pygobject-dev"
+pkgusers="avahi avahi-autoipd"
+pkggroups="avahi avahi-autoipd"
+subpackages="$pkgname-dev $pkgname-doc $pkgname-lang $pkgname-openrc
+	$pkgname-gtk3 $pkgname-py3 $pkgname-qt5"
+install="$pkgname.pre-install $pkgname.pre-upgrade"
+source="https://avahi.org/download/avahi-$pkgver.tar.gz
+	build-db
+	"
+
+prepare() {
+	default_prepare
+	# Missing from release tarballs:
+	# https://github.com/lathiat/avahi/pull/281
+	mv "$srcdir"/build-db "$builddir"/service-type-database/
+}
+
+build() {
+	[ "$CBUILD_ARCH" = "$CTARGET_ARCH" ] || \
+		die "You cannot cross-build Avahi; dbm files are not portable."
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--localstatedir=/var \
+		--with-distro=gentoo \
+		--enable-core-docs \
+		--disable-mono \
+		--disable-gdbm
+	make
+}
+
+check() {
+	make check
+}
+
+package() {
+	make DESTDIR="$pkgdir" install
+}
+
+gtk3() {
+	pkgdesc="$pkgdesc (Gtk+ 3 bindings)"
+	mkdir -p "$subpkgdir"/usr/lib
+	mv "$pkgdir"/usr/lib/libavahi*gtk3* "$subpkgdir"/usr/lib/
+}
+
+py3() {
+	pkgdesc="$pkgdesc (Python bindings)"
+	mkdir -p "$subpkgdir"/usr/lib
+	mv "$pkgdir"/usr/lib/python* "$subpkgdir"/usr/lib/
+}
+
+qt5() {
+	pkgdesc="$pkgdesc (Qt 5 bindings)"
+	mkdir -p "$subpkgdir"/usr/lib
+	mv "$pkgdir"/usr/lib/libavahi*qt5* "$subpkgdir"/usr/lib/
+}
+
+sha512sums="c6ba76feb6e92f70289f94b3bf12e5f5c66c11628ce0aeb3cadfb72c13a5d1a9bd56d71bdf3072627a76cd103b9b056d9131aa49ffe11fa334c24ab3b596c7de  avahi-0.8.tar.gz
+60f5cab8417ba1f7ef9b3e30a9f33923fd71a11ae846dda9c29fd0327008821f55f6c77f8ef8442e6dd164d1b777d858cec95c31b7b3bc7f1121417620ca5f08  build-db"

user/avahi/avahi.pre-install

+#!/bin/sh
+
+groupadd -r -g 201 avahi 2>/dev/null
+groupadd -r -g 202 avahi-autoipd 2>/dev/null
+useradd -c "Service Discovery User" -s /sbin/nologin -g avahi \
+	-d /var/empty -M -N -u 201 2>/dev/null
+useradd -c "IPv4LL network address configuration daemon" -s /sbin/nologin \
+	-g avahi-autoipd -d /var/empty -M -N -u 202 2>/dev/null
+
+exit 0

user/avahi/avahi.pre-upgrade

+avahi.pre-install
\ No newline at end of file

user/avahi/build-db

+#!/usr/bin/env python
+# -*-python-*-
+# This file is part of avahi.
+#
+# avahi is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# avahi is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+# License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with avahi; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA.
+
+try:
+    import anydbm as dbm
+except ImportError:
+    import dbm
+
+import sys
+
+if len(sys.argv) > 1:
+    infn = sys.argv[1]
+else:
+    infn = "service-types"
+
+if len(sys.argv) > 2:
+    outfn = sys.argv[2]
+else:
+    outfn = infn + ".db"
+
+db = dbm.open(outfn, "n")
+
+for ln in open(infn, "r"):
+    ln = ln.strip(" \r\n\t")
+    
+    if ln == "" or ln.startswith("#"):
+        continue
+
+    t, n = ln.split(":", 1)
+
+    db[t.strip()] = n.strip()
+
+db.close()