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# Maintainer: Alexander Rødseth <rodseth@gmail.com>

pkgname=dcpu16-kballard
pkgver=0.5
pkgrel=1
pkgdesc='Cycle-accurate implementation of the DCPU-16 CPU'
arch=('x86_64' 'i686')
url='http://github.com/kballard/dcpu16'
license=('MIT')
makedepends=('go' 'git')
options=('!strip' '!emptydirs')
_gourl=github.com/kballard/dcpu16

build() {
  cd "$srcdir"
  source /etc/profile.d/go.sh

  rm -rf build
  mkdir -p build/go
  cd build/go

  for f in "$GOROOT/"*; do
    ln -s "$f"
  done

  rm pkg
  mkdir pkg
  cd pkg

  for f in "$GOROOT/pkg/"*; do
    ln -s "$f"
  done

  platform=`for f in "$GOROOT/pkg/"*; do echo \`basename $f\`; done|grep linux`

  rm "$platform"
  mkdir "$platform"
  cd "$platform"

  for f in "$GOROOT/pkg/$platform/"*.h; do
    ln -s "$f"
  done

  export GOROOT="$srcdir/build/go"
  export GOPATH="$srcdir/build"

  # Prepare library
  go get -fix "$_gourl"

  # Prepare executable
  if [ -d "$srcdir/build/src" ]; then
    cd "$srcdir/build/src/$_gourl"
    go build -o "$srcdir/build/$pkgname"
  else
    echo 'Old sources for a previous version of this package are already present!'
    echo 'Build in a chroot or uninstall the previous version.'
    return 1
  fi
}

package() {
  cd "$srcdir"
  source /etc/profile.d/go.sh

  # Package go package files
  for f in "$srcdir/build/go/pkg/"* "$srcdir/build/pkg/"*; do
    # If it's a directory
    if [ -d "$f" ]; then
      cd "$f"
      mkdir -p "$pkgdir/$GOROOT/pkg/`basename $f`"
      for z in *; do
        # Check if the directory name matches
        if [ "$z" == `echo $_gourl | cut -d/ -f1` ]; then
          cp -r $z "$pkgdir/$GOROOT/pkg/`basename $f`"
        fi
      done
      cd ..
    fi
  done

  # Package source files
  if [ -d "$srcdir/build/src" ]; then
    mkdir -p "$pkgdir/$GOROOT/src/pkg"
    cp -r "$srcdir/build/src/"* "$pkgdir/$GOROOT/src/pkg/"
    find "$pkgdir" -depth -type d -name .git -exec rm -r {} \;
  fi

  # Package executables
  if [ -e "$srcdir/build/$pkgname" ]; then
    install -Dm755 "$srcdir/build/$pkgname" \
      "$pkgdir/usr/bin/$pkgname"
  fi

  # Package license (if available)
  for f in LICENSE COPYING; do
    if [ -e "$srcdir/build/src/$_gourl/$f" ]; then
      install -Dm644 "$srcdir/build/src/$_gourl/$f" \
        "$pkgdir/usr/share/licenses/$pkgname/$f"
    fi
  done
}

# vim:set ts=2 sw=2 et: