# Maintainer: Eivind Uggedal <eivind@uggedal.com>
pkgname=go
pkgver=1.4.2
pkgrel=0
pkgdesc="Go programming language compiler"
url="http://www.golang.org/"
arch="x86 x86_64 armhf"
license="BSD"
depends=""
depends_dev=""
makedepends="bash perl git"
options="!strip"
install=""
subpackages="$pkgname-tools:tools"
source="
	http://golang.org/dl/go${pkgver}.src.tar.gz
	no-werror.patch
	no-pic.patch
	no-longjmp-redefine.patch
	fix-arm-hackery.patch
	default-sc-getpw-r-size-max.patch
	"

_builddir="$srcdir"/$pkgname
_toolrepo=golang.org/x/tools
_tooltag=release-branch.go${pkgver%.*}

prepare() {
	local i
	cd "$_builddir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done
}

build() {
	export GOPATH="$srcdir"
	export GOROOT="$_builddir"
	export GOBIN="$GOROOT"/bin
	export GOROOT_FINAL=/usr/lib/go
	# ccache breaks build for some reason
	unset CC

	case "$CARCH" in
	x86) GOARCH=386;;
	x86_64) GOARCH=amd64;;
	arm*) GOARCH=arm; export GOARM=6;;
	*) return 1;;
	esac
	export GOARCH

	cd "$_builddir/src"

	./make.bash || return 1

	# FIXME: race and bench tests fail:
	#PATH="$GOROOT/bin:$PATH" ./run.bash --no-rebuild --banner || return 1

	# Build tools provided with the upstream binary distribution:
	"$GOROOT"/bin/go get -d $_toolrepo/... || reteurn 1
	(
		cd "$srcdir"/src/$_toolrepo
		git checkout -b $_tooltag origin/$_tooltag
	) || return 1
	local tool
	for tool in cover vet godoc; do
		"$GOROOT"/bin/go install $_toolrepo/cmd/$tool
	done
}

package() {
	local f d
	cd "$_builddir"

	install -dm755 "$pkgdir"/usr/bin
	for f in go gofmt; do
		install -m755 bin/$f "$pkgdir"/usr/bin
	done

	install -dm755 "$pkgdir"/usr/lib/go
	cp -a pkg "$pkgdir"/usr/lib/go

	# The source needs to be installed due to an upstream
	# bug (http://code.google.com/p/go/issues/detail?id=2775).
	# When this is resolved we can split out the source to a
	# go-doc sub package.
	install -dm755 "$pkgdir"/usr/lib/go/src
	for p in src/*; do
		if [ -d "$p" ]; then
			cp -r $p "$pkgdir"/usr/lib/go/src
		fi
	done
}

tools() {
	local tool

	pkgdesc="Go programming language tools"
	depends="$pkgname"

	install -Dm755 "$_builddir"/bin/godoc "$subpkgdir"/usr/bin/godoc

	install -dm755 "$subpkgdir"/usr/lib/go/pkg/tool/linux_$GOARCH

	for tool in cover vet; do
		mv "$pkgdir"/usr/lib/go/pkg/tool/linux_$GOARCH/$tool \
			"$subpkgdir"/usr/lib/go/pkg/tool/linux_$GOARCH/$tool
	done

	# Make documentation for tools available through godoc:
	for tool in cover vet godoc; do
		install -dm755 "$subpkgdir"/usr/lib/go/src/pkg/$tool
		sed -e 's/^package main$/package documentation/' \
			"$srcdir"/src/$_toolrepo/cmd/$tool/doc.go > \
			"$subpkgdir"/usr/lib/go/src/pkg/$tool/doc.go
	done
}

md5sums="907f85c8fa765d31f7f955836fec4049  go1.4.2.src.tar.gz
65330c61f6d6c881033b0a95ca228edb  no-werror.patch
4391be88ce8bacdd7fee433b39635583  no-pic.patch
93ad940db4a6d51e086f80755eaa8f53  no-longjmp-redefine.patch
81ac9f3188df7a0c16c52cc4d8cc1ffa  fix-arm-hackery.patch
fd4d1a7ccb5d37da4ff9c3a2d97aa976  default-sc-getpw-r-size-max.patch"
sha256sums="299a6fd8f8adfdce15bc06bde926e7b252ae8e24dd5b16b7d8791ed79e7b5e9b  go1.4.2.src.tar.gz
65d38b9485da2ff9417a2c44a81b6e52cc9bd2727b27e7add10d48a63805d4a3  no-werror.patch
86fc68a50bc4a9336a003239adf1dcc6d7cabfb9c1bcf09b0d53d09100ceff12  no-pic.patch
084020e0eb6cb0aceee047bd5962872ed51dbb45465174018d108eb195c26605  no-longjmp-redefine.patch
fced8436d9c32a43a5cc87f2243529e7a8209ba73a9afd4fd7733245bc55e4e3  fix-arm-hackery.patch
3757d5f7c4e6d3b2fed4b01c7da6e3e8c0b7789333219ab10ec0b151fb163980  default-sc-getpw-r-size-max.patch"
sha512sums="cda1a29d4418875dffaf3324004ddae8e1bbb573f7668e6e0c03d8b61284f4db7fca244c181f2859f8ccdd3db6391fb21e0d98a1a9fc15096c15883249d48a9c  go1.4.2.src.tar.gz
3cf139723e6ff0cbf7aaf76295fe4208f2062f2d4086e36d05cad83919217b5355e0e79b0b515a06a578389301bd07b062cb58b98fc0f9e4badf190cd1c34826  no-werror.patch
a8e95c3c536a30e15b9bad5e623a085c521739639a58ac638679d99413a1bee8823729783123cbe4495ac42822df31f4776f0380a63786b9f4fc73190e012ae5  no-pic.patch
3a9b665f8fda89729c4c269ea82f82ee515f0026d26f1d51e2cf84054456e394afc14875e7ed29280a12488907d50c70af313e2e4a5b62c328bbade098db9d4d  no-longjmp-redefine.patch
573146b72c980af5e41540fd7912b5579b050e41ac9d808e8d14268cf0a0fa1a70e6fade85011c0f18f1a428bc95b225d8b8345be1c50656dc69046ef1eb0b40  fix-arm-hackery.patch
5de9747fe60bbc60aa8ac9870f397fa8750723f919fea25a6afc22066be45a8ad193f7935d3deacbe85c032be89b8ace0a7e82b6c9981ddaf3b7f6e8d140c61f  default-sc-getpw-r-size-max.patch"