# Maintainer: Eivind Uggedal <eivind@uggedal.com>
pkgname=go
pkgver=1.3.3
pkgrel=0
pkgdesc="Go programming language compiler"
url="http://www.golang.org/"
arch="x86 x86_64"
license="BSD"
depends=""
depends_dev=""
makedepends="bash perl mercurial"
options="!strip"
install=""
subpackages="
	$pkgname-tools:tools
	$pkgname-bash-completion:completion
	$pkgname-vim:vim
	"
source="
	http://golang.org/dl/go${pkgver}.src.tar.gz
	no-werror.patch
	no-pic.patch
	no-longjmp-redefine.patch
	default-sc-getpw-r-size-max.patch
	"

_builddir="$srcdir"/$pkgname
_toolrepo=code.google.com/p/go.tools
_tooltag=release-branch.go1.3

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;;
		*) 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 $_toolrepo/...
	(
		cd "$srcdir"/src/$_toolrepo
		hg update $_tooltag
	)
	local tool
	for tool in cover vet godoc; do
		"$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 "$pkgdir"/usr/lib/go/src
	for d in pkg cmd; do
		cp -a src/$d "$pkgdir"/usr/lib/go/src
	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
}

completion() {
	pkgdesc="Bash completion script for Go"
	arch="noarch"

	install -Dm644 "$_builddir"/misc/bash/$pkgname \
		"$subpkgdir"/usr/share/bash-completion/completions/$pkgname
}

vim() {
	local f

	pkgdesc="Vim syntax for Go"
	arch="noarch"

	for f in ftdetect/gofiletype.vim syntax/go.vim indent/go.vim; do
		install -Dm644 "$_builddir"/misc/vim/$f \
			"$subpkgdir"/usr/share/vim/vimfiles/$f
	done
}

md5sums="2cdbad6baefcf1007f3cf54a5bc878b7  go1.3.3.src.tar.gz
65330c61f6d6c881033b0a95ca228edb  no-werror.patch
4391be88ce8bacdd7fee433b39635583  no-pic.patch
93ad940db4a6d51e086f80755eaa8f53  no-longjmp-redefine.patch
2576180fb906455bb786ca2937bbe180  default-sc-getpw-r-size-max.patch"
sha256sums="1bb6fde89cfe8b9756a875af55d994cce0994861227b5dc0f268c143d91cd5ff  go1.3.3.src.tar.gz
65d38b9485da2ff9417a2c44a81b6e52cc9bd2727b27e7add10d48a63805d4a3  no-werror.patch
86fc68a50bc4a9336a003239adf1dcc6d7cabfb9c1bcf09b0d53d09100ceff12  no-pic.patch
084020e0eb6cb0aceee047bd5962872ed51dbb45465174018d108eb195c26605  no-longjmp-redefine.patch
be711a828ddda89dd28ffc19d88958471c832005f0666a8a28c8838c0082a208  default-sc-getpw-r-size-max.patch"
sha512sums="159872b7764986eba6641a5ebaf3aed3d6066bcd384672068354359099e52035b25bc819582d022ef8d7d91e244269cb38917e13c4d3eac8581831d41b2bac2b  go1.3.3.src.tar.gz
3cf139723e6ff0cbf7aaf76295fe4208f2062f2d4086e36d05cad83919217b5355e0e79b0b515a06a578389301bd07b062cb58b98fc0f9e4badf190cd1c34826  no-werror.patch
a8e95c3c536a30e15b9bad5e623a085c521739639a58ac638679d99413a1bee8823729783123cbe4495ac42822df31f4776f0380a63786b9f4fc73190e012ae5  no-pic.patch
3a9b665f8fda89729c4c269ea82f82ee515f0026d26f1d51e2cf84054456e394afc14875e7ed29280a12488907d50c70af313e2e4a5b62c328bbade098db9d4d  no-longjmp-redefine.patch
9e9a288ff912b57eff250db53891be166376ec3ee11fcde94b49f1ff1c9433ef531d6c12706258a65a8666e11142506ecc3778e4bbf43dbe23afd2492a3a17a4  default-sc-getpw-r-size-max.patch"