# Description: The Go Programming Language
# URL: https://golang.org/
# Maintainer: Matt Housh, jaeger at crux dot ninja

name=go
version=1.7
release=1
source=(https://storage.googleapis.com/golang/${name}${version}.linux-amd64.tar.gz \
    https://storage.googleapis.com/golang/${name}${version}.src.tar.gz \
    $name-certpath.diff)

unpack_source() {
    install -d $SRC/go${version:0:3}
    bsdtar -xf $PKGMK_SOURCE_DIR/${name}${version}.linux-amd64.tar.gz \
        -C $SRC/go${version:0:3} --strip-components 1
    bsdtar -xf $PKGMK_SOURCE_DIR/${name}${version}.src.tar.gz \
        -C $SRC
    cp $name-certpath.diff $SRC
}

build() {
    export GOROOT_BOOTSTRAP=${SRC}/go${version:0:3}
    export GOROOT_FINAL=/usr/lib/go
    export GOOS=linux
    export GOARCH=amd64

    patch -p0 -i $SRC/$name-certpath.diff

    cd go/src
    bash make.bash --no-clean

    install -d $PKG/usr/lib
    cp -r $SRC/go $PKG/usr/lib/

    install -d $PKG/usr/bin
    ln -s /usr/lib/go/bin/go $PKG/usr/bin/
    ln -s /usr/lib/go/bin/gofmt $PKG/usr/bin/

    # work around a bug in the build system
    find $PKG -name "*.a" -exec chmod 644 '{}' \;
}