# Maintainer: Morten Linderud <foxboron@archlinux.org>
# Contributor: Daniel Martí <mvdan@mvdan.cc>
# Contributor: Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
# Contributor: Alexander F. Rødseth <xyproto@archlinux.org>
# Contributor: Pierre Neidhardt <ambrevar@gmail.com>
# Contributor: Vesa Kaihlavirta <vegai@iki.fi>
# Contributor: Rémy Oudompheng <remy@archlinux.org>
# Contributor: Andres Perera <andres87p gmail>
# Contributor: Matthew Bauer <mjbauer95@gmail.com>
# Contributor: Christian Himpel <chressie@gmail.com>
# Contributor: Mike Rosset <mike.rosset@gmail.com>
# Contributor: Daniel YC Lin <dlin.tw@gmail.com>
# Contributor: John Luebs <jkluebs@gmail.com>

pkgname=go
epoch=2
pkgver=1.22.2
pkgrel=1.1
cross=nx
pkgdesc='Core compiler tools for the Go programming language'
url='https://golang.org/'
license=(BSD-3-Clause)
ncxfab_makedepends=(git go base-devel)
ncxfat_makedepends=(binutils)
#xat_makedepends=(go)
options=(!strip staticlibs)
source=(https://go.dev/dl/go${pkgver}.src.tar.gz{,.asc})
validpgpkeys=('EB4C1BFD4F042F6DDDCCEC917721F63BD38B4796')
sha256sums=('374ea82b289ec738e968267cac59c7d5ff180f9492250254784b2044e90df5a9'
            'SKIP')

_get_go_arch() {
  local arch="$1"

  case "$arch" in
    x86_64)
      echo "amd64"
      ;;
    aarch64)
      echo "arm64"
      ;;
    *)
      echo "$arch"
      ;;
  esac
}

build() {
  export GOARCH=$(_get_go_arch $MPKG_HOSTARCH)
  export GOOS=$MPKG_TARGETOS

  case "$GOARCH" in
    amd64)
      export GOAMD64=v1 # make sure we're building for the right x86-64 version
      ;;
  esac
  
  export GOROOT_FINAL=/usr/lib/go
  export GOROOT_BOOTSTRAP=/usr/lib/go

  cd "$pkgname/src"
  ./make.bash -v
}

check() {
  export GO_TEST_TIMEOUT_SCALE=3

  cd $pkgname/src
  ./run.bash --no-rebuild -v -v -v -k
}

package() {
  cd "$pkgname"

  GOARCH=$(_get_go_arch $MPKG_HOSTARCH)
  
  install -d "$pkgdir/usr/bin" "$pkgdir/usr/lib/go" "$pkgdir/usr/share/doc/go" \
    "$pkgdir/usr/lib/go/pkg/${MPKG_HOSTOS}_${GOARCH}_"{dynlink,race}

   # FIXME: Next to rearrange is lib
  if (( MPKG_CROSSCOMPILED )); then
    # If you cross-compile, the target binaries end up in a subdirectory, and
    # the host binaries in the intended location
    mv bin/${MPKG_HOSTOS}_$GOARCH/* bin/
    rmdir bin/${MPKG_HOSTOS}_$GOARCH
    # in PKG, you end up with unneeded tools
    for d in pkg/tool/*; do
      
      if [ x"$(basename $d)" != x"${MPKG_HOSTOS}_$GOARCH" ]; then
        rm -r "$d"
      fi
    done
    # And an empty directory
    rmdir pkg/${MPKG_HOSTOS}_$GOARCH
  fi

  cp -a bin pkg src lib misc api test "$pkgdir/usr/lib/go"
  # We can't strip all binaries and libraries,
  # as that also strips some testdata directories and breaks the tests.
  # Just strip the packaged binaries as a compromise.
  ${MPKG_TOOLPREFIX}strip $STRIP_BINARIES "$pkgdir/usr/lib/go"{/bin/*,/pkg/tool/*/*}

  cp -r doc/* "$pkgdir/usr/share/doc/go"

  ln -sf /usr/lib/go/bin/go "$pkgdir/usr/bin/go"
  ln -sf /usr/lib/go/bin/gofmt "$pkgdir/usr/bin/gofmt"
  ln -sf /usr/share/doc/go "$pkgdir/usr/lib/go/doc"

  install -Dm644 VERSION "$pkgdir/usr/lib/go/VERSION"

  rm -rf "$pkgdir/usr/lib/go/pkg/bootstrap" "$pkgdir/usr/lib/go/pkg/tool/*/api"

  # TODO: Figure out if really needed
  rm -rf "$pkgdir"/usr/lib/go/pkg/obj/go-build

  # https://github.com/golang/go/issues/57179
  install -Dm644 go.env "$pkgdir/usr/lib/go/go.env"

  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}

# vim: ts=2 sw=2 et
