common-platform

#!/usr/bin/env bash

unset cygwin mingw msys darwin

# COLUMNS is used together with command line option '-pageWidth'.
if command -v tput >/dev/null 2>&1; then
  export COLUMNS="$(tput -Tdumb cols)"
fi

case "`uname`" in
  CYGWIN*) cygwin=true
          ;;
  MINGW*) mingw=true
          ;;
  MSYS*) msys=true
          ;;
  Darwin*) darwin=true
           ;;
esac

unset DIST_PROJECT DIST_DIR

if [[ ${cygwin-} || ${mingw-} || ${msys-} ]]; then
  DIST_PROJECT="dist-win-x86_64"
  DIST_DIR="dist/win-x86_64"
else
  # OS and arch logic taken from https://github.com/VirtusLab/scala-cli/blob/main/scala-cli.sh
  unset arch ARCH_NORM
  arch=$(uname -m)
  if [[ "$arch" == "aarch64" ]] || [[ "$arch" == "x86_64" ]]; then
    ARCH_NORM="$arch"
  elif [[ "$arch" == "amd64" ]]; then
    ARCH_NORM="x86_64"
  elif [[ "$arch" == "arm64" ]]; then
    ARCH_NORM="aarch64"
  else
    ARCH_NORM="unknown"
  fi

  if [ "$(expr substr $(uname -s) 1 5 2>/dev/null)" == "Linux" ]; then
    if [[ "$ARCH_NORM" == "unknown" ]]; then
      echo >&2 "unknown Linux CPU architecture, defaulting to JVM launcher"
      DIST_PROJECT="dist"
      DIST_DIR="dist"
    else
      DIST_PROJECT="dist-linux-$ARCH_NORM"
      DIST_DIR="dist/linux-$ARCH_NORM"
    fi
  elif [ "$(uname)" == "Darwin" ]; then
    if [[ "$ARCH_NORM" == "unknown" ]]; then
      echo >&2 "unknown Darwin CPU architecture, defaulting to JVM launcher"
      DIST_PROJECT="dist"
      DIST_DIR="dist"
    else
      DIST_PROJECT="dist-mac-$ARCH_NORM"
      DIST_DIR="dist/mac-$ARCH_NORM"
    fi
  else
    echo >&2 "unknown OS, defaulting to JVM launcher"
    DIST_PROJECT="dist"
    DIST_DIR="dist"
  fi
fi