# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
# Contributor: Bernhard J. M. Gruen <bernhard.gruen@googlemail.com>
pkgname=docker
pkgver=18.03.0
_ver=${pkgver/_/-}-ce
pkgrel=1
_gitcommit=v$_ver
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 iptables"
makedepends="go btrfs-progs-dev bash linux-headers coreutils libseccomp-dev cmake lvm2-dev libtool"
options="!check"
install="$pkgname.pre-install"

# from "$srcdir"/docker-ce-"$_ver"-ce/components/engine/hack/dockerfile/install/*.installer
_runc_ver=4fc53a81fb7c994640722ac585fa9ca548971871
_containerd_ver=cfd04396dc68220d1cecbe686a6cc3aa5ce3667c
_tini_ver=949e6facb77383876aeff8a6944dde66b3089574
_libnetwork_ver=1b91bc94094ecfdae41daa465cc0c8df37dfb3dd

_cobra_ver="0.0.1"
_go_md2man_ver="1.0.8"

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

source="
	docker-$pkgver.tar.gz::https://github.com/docker/docker-ce/archive/v$_ver.tar.gz
	runc-$_runc_ver.tar.gz::https://github.com/opencontainers/runc/archive/$_runc_ver.tar.gz
	containerd-$_containerd_ver.tar.gz::https://github.com/containerd/containerd/archive/$_containerd_ver.tar.gz
	libnetwork-$_libnetwork_ver.tar.gz::https://github.com/docker/libnetwork/archive/$_libnetwork_ver.tar.gz
	tini-$_tini_ver.tar.gz::https://github.com/krallin/tini/archive/$_tini_ver.tar.gz
	go-md2man-$_go_md2man_ver.tar.gz::https://github.com/cpuguy83/go-md2man/archive/v$_go_md2man_ver.tar.gz
	cobra-$_cobra_ver.tar.gz::https://github.com/spf13/cobra/archive/v$_cobra_ver.tar.gz
	docker-openrc-fixes.patch
	tini-cmake-fixes.patch
	docker-openrc-busybox-ash.patch
	"

_dockerdir="$srcdir"/docker-$_ver
_cli_builddir="$_dockerdir"/components/cli
_daemon_builddir="$_dockerdir"/components/engine
_buildtags=""
_runc_buildtags="seccomp"
_runc_builddir="$srcdir"/runc-$_runc_ver

_containerd_builddir="$srcdir"/containerd-$_containerd_ver
_libnetwork_builddir="$srcdir"/libnetwork-$_libnetwork_ver
_tini_builddir="$srcdir"/tini-$_tini_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 "$srcdir"/docker-ce-$_ver "$_dockerdir"

	_apply_patches "$_daemon_builddir" docker
	_apply_patches "$_runc_builddir" runc
	_apply_patches "$_tini_builddir" tini
}

build() {
	export AUTO_GOPATH=1
	#export GOPATH="$srcdir"
	#export GOBIN="$GOPATH"/bin
	#export PATH="$GOBIN:$PATH"
	export DOCKER_GITCOMMIT=$_gitcommit
	export DOCKER_BUILDTAGS=$_buildtags
	unset CC # prevent possible ccache issues

	# containerd
	msg "building containerd"
	cd "$_containerd_builddir"
	# Vendor dir only works if it's part of a package in the src dir. Easiest solution is to make it a src dir iself
	mv vendor src
	mkdir -p src/github.com/containerd/
	ln -s "$_containerd_builddir" src/github.com/containerd/containerd
	GOPATH="$PWD" LDFLAGS="" make GIT_COMMIT="$_containerd_ver"

	# 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

	# runc
	msg "building runc"
	cd "$_runc_builddir"
	mkdir -p src/github.com/opencontainers/
	ln -s "$_runc_builddir" src/github.com/opencontainers/runc
	cd src/github.com/opencontainers/runc
	GOPATH="$PWD" make COMMIT="$_runc_ver"

	# tini
	msg "building tini"
	cd "$_tini_builddir"
	cmake -DVERSION_GIT=$_tini_ver
	make tini-static

	# 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 "$GOPATH"/src/github.com/spf13/cobra
	# md2man
	mkdir -p "$GOPATH"/src/github.com/cpuguy83/
	ln -s "$PWD"/go-md2man-$_go_md2man_ver "$GOPATH"/src/github.com/cpuguy83/go-md2man
	cd "$GOPATH"/src/github.com/cpuguy83/go-md2man
	go get

	# convert md to man pages
	msg "generating man pages"
	cd "$_cli_builddir"
	make manpages
}

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

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

	install -Dm755 "$_runc_builddir"/runc \
		"$pkgdir"/usr/bin/docker-runc

	install -Dm755 "$_containerd_builddir"/bin/containerd \
		"$pkgdir"/usr/bin/docker-containerd

	install -Dm755 "$_containerd_builddir"/bin/containerd-shim \
		"$pkgdir"/usr/bin/docker-containerd-shim

	install -Dm755 "$_containerd_builddir"/bin/ctr \
		"$pkgdir"/usr/bin/docker-containerd-ctr

	install -Dm755 "$_tini_builddir"/tini-static \
		"$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="6385d720a58275d3e415c89f6953b64fdf96c2297ea7a86baf8f044530bb55fef40479e8a018055b85fce73f30dfb36a9904ff13bc12acc6ec4b565431145dbe  docker-18.03.0.tar.gz
f7d765c6d0a24adf1030cb41d71ce532f2f5b3dd4c05c48aaa6eb37604c3854cc3a463aff19defc7c259564e237ef30f7e39d4787dad0ee42bb534c3d65946c0  runc-4fc53a81fb7c994640722ac585fa9ca548971871.tar.gz
4579d62a16c0af75a93ddcf9cdb21b379208a3390f18d38cfa09f4c066d2aae18074d42eb0a81f43bbca1719fcf287f165ff9aa8f529c7761de2a3c5c8b49d0f  containerd-cfd04396dc68220d1cecbe686a6cc3aa5ce3667c.tar.gz
c33005f0281260a3dcc9dd567680068afbdb9ea6036b2847c9cd3d77e72d32e6b7d359178acbd4a2db7cc15cc53d99079a1b544bc32912dbf19f2babc670a2bd  libnetwork-1b91bc94094ecfdae41daa465cc0c8df37dfb3dd.tar.gz
b6c1454f734662adf2fdedcb75cb7cdc82f4cf5b4c41fadf6891a670fa26d49b789034f4af8bf920b9e1ff1c3536123637ade9471f4ae2c1ef6c534e839b9f27  tini-949e6facb77383876aeff8a6944dde66b3089574.tar.gz
4c52e01c9b07582b5d55d1e94935378a676bd284a3e8230a8a191d4678b1b6ae92b704a249117c542832170069a70c649e58a1752fb2973709259b5bc108db91  go-md2man-1.0.8.tar.gz
e2d3865f90f20c144694a70b4b7b74baf636c31d9a1efedaa90135b01ee7673a17cfc51d4fbf11f220f9035ca52294b7ae4a61c42101da059911e4bba5b1918d  cobra-0.0.1.tar.gz
33155a79799cc6c0520a030e1a9bdba60441776d612e5e255574b23bbce1c7a8e5d868284b05a8a92704be6bbb7db905388564e867986a705acbe4884ac58584  docker-openrc-fixes.patch
29a343848d0aa14864c6bfc87c2a6fd408f546f0114e12f7035fb4678ee769fe728872a5d283803177990a61d7e02c4916017d5e45380ad3b0a2dffa3e746857  tini-cmake-fixes.patch
9b24dc0c50904c3d12bb04c1a7df169651043ddbc258018647010a5aa01d8a19ad54d10ca79dce6d6283c81f4fa0cc8de417f6180dd824c5a588b22b23546cb5  docker-openrc-busybox-ash.patch"