# Contributor: Jake Buchholz <tomalok@gmail.com>
# Maintainer: Jake Buchholz <tomalok@gmail.com>

pkgname=docker
pkgver=18.09.3
_gitcommit=774a1f4eee66e29a71ca12e88ac2220670990f7e	# https://github.com/docker/docker-ce/commits/v$pkgver
_ver=${pkgver/_/-}-ce
pkgrel=0
pkgdesc="Pack, ship and run any application as a lightweight container"
url="http://www.docker.io/"
arch="all"
license="Apache-2.0"
depends="ca-certificates containerd iptables tini-static"
makedepends="go go-md2man btrfs-progs-dev bash linux-headers coreutils lvm2-dev libtool"
install="$pkgname.pre-install"

# https://github.com/docker/docker-ce/blob/v$pkgver/components/engine/hack/dockerfile/install/proxy.installer
_libnetwork_ver=2cfbf9b1f98162a55829a21cc603c76072a75382
_cobra_ver="0.0.3"

subpackages="
	$pkgname-bash-completion:bashcomp:noarch
	$pkgname-fish-completion:fishcomp:noarch
	$pkgname-zsh-completion:zshcomp:noarch
	$pkgname-vim:vim:noarch
	$pkgname-doc
	$pkgname-openrc
	"

source="
	docker-$pkgver.tar.gz::https://github.com/docker/docker-ce/archive/v$pkgver.tar.gz
	libnetwork-$_libnetwork_ver.tar.gz::https://github.com/docker/libnetwork/archive/$_libnetwork_ver.tar.gz
	cobra-$_cobra_ver.tar.gz::https://github.com/spf13/cobra/archive/v$_cobra_ver.tar.gz
	docker-openrc-fixes.patch
	docker-openrc-busybox-ash.patch
	"

_dockerdir="$srcdir"/docker-$_ver
_cli_builddir="$_dockerdir"/components/cli
_daemon_builddir="$_dockerdir"/components/engine
_buildtags=""

_libnetwork_builddir="$srcdir"/libnetwork-$_libnetwork_ver

_apply_patches() {
	local _dir="$1"
	local _prefix="$2"
	local i
	msg "applying patches for $_prefix"
	cd "$_dir"
	for i in $source; do
		case $i in
		${_prefix}-*.patch) msg $i; patch -p1 -i "$srcdir"/$i;;
		esac
	done
}

prepare() {
	# Rename 'docker-ce-VER' to 'docker-VER'
	mv "$srcdir"/docker-ce-$pkgver "$_dockerdir"

	_apply_patches "$_daemon_builddir" docker
}

build() {
	export AUTO_GOPATH=1
	export GITCOMMIT=$_gitcommit		# for cli
	export DOCKER_GITCOMMIT=$_gitcommit	# for engine
	export DOCKER_BUILDTAGS=$_buildtags
	unset CC # prevent possible ccache issues

	# libnetwork (docker-proxy)
	msg "building docker-proxy"
	cd "$_libnetwork_builddir"
	mkdir -p src/github.com/docker/
	ln -s "$_libnetwork_builddir" src/github.com/docker/libnetwork
	GOPATH="$PWD" go build -v -ldflags="-linkmode=external" -o docker-proxy github.com/docker/libnetwork/cmd/proxy

	# daemon
	msg "building daemon"
	cd "$_daemon_builddir"
	mkdir -p src/github.com/docker/
	ln -s "$_daemon_builddir" src/github.com/docker/docker
	GOPATH="$PWD" VERSION="$_ver" hack/make.sh dynbinary

	# Required for building man-pages
	export GOPATH="$_cli_builddir"
	export GOBIN="$GOPATH/bin"
	export PATH="$GOBIN:$PATH"

	# cli
	msg "building cli"
	cd "$_cli_builddir"
	mkdir -p "$GOPATH"/src/github.com/docker/
	ln -s "$_cli_builddir" "$GOPATH"/src/github.com/docker/cli
	LDFLAGS="" make VERSION="$_ver" dynbinary

	# docker man
	msg "building docker man pages"
	cd "$srcdir"
	# cobra
	mkdir -p "$GOPATH"/src/github.com/spf13/
	ln -sf "$PWD"/cobra-$_cobra_ver "$GOPATH"/src/github.com/spf13/cobra

	# convert md to man pages
	msg "generating man pages"
	cd "$_cli_builddir"
	# make manpages (from cli/Makefile, but using installed go-md2man)
	mkdir -p ./man/man1
	# Generate man pages from cobra commands
	go build -o /tmp/gen-manpages github.com/docker/cli/man
	/tmp/gen-manpages --root "$(pwd)" --target "$(pwd)/man/man1"
	# generate legacy manpages from markdown
	./man/md2man-all.sh -q
}

check() {
	cd "$_cli_builddir"/build
        ./docker --version
	cd "$_daemon_builddir"/bundles/dynbinary-daemon
	./dockerd --version
}

package() {
	cd "$_dockerdir"
	local ver=$(cat VERSION)

	# 'build/docker' is a symlink to 'docker-linux-$arch' e.g. 'docker-linux-amd64'
	install -Dm755 "$_cli_builddir"/build/docker \
		"$pkgdir"/usr/bin/docker

	install -Dm755 "$_daemon_builddir"/bundles/dynbinary-daemon/dockerd \
		"$pkgdir"/usr/bin/dockerd

	install -Dm755 "$_libnetwork_builddir"/docker-proxy \
		"$pkgdir"/usr/bin/docker-proxy

	# symlink externally provided tini-static binary
	ln -s /sbin/tini-static "$pkgdir"/usr/bin/docker-init

	install -Dm755 "$_daemon_builddir"/contrib/init/openrc/docker.initd \
		"$pkgdir"/etc/init.d/docker
	install -Dm644 "$_daemon_builddir"/contrib/init/openrc/docker.confd \
		"$pkgdir"/etc/conf.d/docker

	mkdir -p "$pkgdir"/usr/share/man/man1
	install -Dm644 "$_cli_builddir"/man/man1/* \
		"$pkgdir"/usr/share/man/man1
}

bashcomp() {
	pkgdesc="Bash completion for Docker"
	depends=""
	install_if="$pkgname=$pkgver-r$pkgrel bash-completion"

	install -Dm644 "$_cli_builddir"/contrib/completion/bash/$pkgname \
		"$subpkgdir"/usr/share/bash-completion/completions/$pkgname
}

fishcomp() {
	pkgdesc="Fish shell completion for Docker"
	depends=""
	install_if="$pkgname=$pkgver-r$pkgrel fish"

	install -Dm644 "$_cli_builddir"/contrib/completion/fish/$pkgname.fish \
		"$subpkgdir"/usr/share/fish/completions/$pkgname.fish
}

zshcomp() {
	pkgdesc="Zsh completion for $pkgname"
	depends=""
	install_if="$pkgname=$pkgver-r$pkgrel zsh"

	install -Dm644 "$_cli_builddir"/contrib/completion/zsh/_$pkgname \
		"$subpkgdir"/usr/share/zsh/site-functions/_$pkgname
}

vim() {
	depends=""
	pkgdesc="Vim syntax for $pkgname"
	install_if="vim $pkgname=$pkgver-r$pkgrel"

	local f=
	for f in ftdetect/dockerfile.vim syntax/dockerfile.vim; do
		install -Dm644 "$_daemon_builddir"/contrib/syntax/vim/$f \
			"$subpkgdir"/usr/share/vim/vimfiles/$f
	done
}

sha512sums="c7df08c03c6bfd8451977cb86593d8ac68390c846c84cc4d8a32e05e815688ccd84a6296f819e440c850c2aa52c131686492206ec4d47765cd0af90c3c39dc03  docker-18.09.3.tar.gz
9256eedc6ed530506e4e61673a9f45397274093dd61105097d5c650796f0afebc8ad7c550d2dc3cacf94426e3872a2b764906bca46fc907a21b865314c8927d4  libnetwork-2cfbf9b1f98162a55829a21cc603c76072a75382.tar.gz
c38db9432a168f913b41a1e1b11d84bedfade82ff70791be9d343a6cc86b8a05b18bae344d67ebd8bae4c98662db7ac664a9dc86fa9b9ad4aa5c96cbf0178efb  cobra-0.0.3.tar.gz
33155a79799cc6c0520a030e1a9bdba60441776d612e5e255574b23bbce1c7a8e5d868284b05a8a92704be6bbb7db905388564e867986a705acbe4884ac58584  docker-openrc-fixes.patch
9b24dc0c50904c3d12bb04c1a7df169651043ddbc258018647010a5aa01d8a19ad54d10ca79dce6d6283c81f4fa0cc8de417f6180dd824c5a588b22b23546cb5  docker-openrc-busybox-ash.patch"