mill

#!/usr/bin/env bash

# Adapted from

coursier_version="2.1.24"
COMMAND=$@

# necessary for Windows various shell environments
IS_WINDOWS=$(uname | grep -E 'CYG*|MSYS*|MING*|UCRT*|ClANG*|GIT*')

# https://stackoverflow.com/questions/3466166/how-to-check-if-running-in-cygwin-mac-or-linux/17072017#17072017
if [ "$(expr substr $(uname -s) 1 5 2>/dev/null)" == "Linux" ]; then
  if [ "$(uname -m)" == "aarch64" ]; then
    cs_url="https://github.com/coursier/coursier/releases/download/v$coursier_version/cs-aarch64-pc-linux.gz"
  else
    cs_url="https://github.com/coursier/coursier/releases/download/v$coursier_version/cs-x86_64-pc-linux.gz"
  fi
  cache_base="$HOME/.cache/coursier/v1"
elif [ "$(uname)" == "Darwin" ]; then
  # TODO: remove once coursier-m1 and coursier mainline are merged
  if [ "$(uname -p)" == "arm" ]; then 
    cs_url="https://github.com/VirtusLab/coursier-m1/releases/download/v$coursier_version/cs-aarch64-apple-darwin.gz"
  else 
    cs_url="https://github.com/coursier/coursier/releases/download/v$coursier_version/cs-x86_64-apple-darwin.gz"
  fi
  cache_base="$HOME/Library/Caches/Coursier/v1"
else
  # assuming Windows…
  cs_url="https://github.com/coursier/coursier/releases/download/v$coursier_version/cs-x86_64-pc-win32.zip"
  cache_base="$LOCALAPPDATA/Coursier/v1" # TODO Check that
  ext=".exe"
  do_chmod="0"
fi

cache_dest="$cache_base/$(echo "$cs_url" | sed 's@://@/@')"

if [ ! -f "$cache_dest" ]; then
  mkdir -p "$(dirname "$cache_dest")"
  tmp_dest="$cache_dest.tmp-setup"
  echo "Downloading $cs_url"
  curl -fLo "$tmp_dest" "$cs_url"
  mv "$tmp_dest" "$cache_dest"
fi

if [[ "$cache_dest" == *.gz ]]; then
  cs="$(dirname "$cache_dest")/$(basename "$cache_dest" .gz)"
  if [ ! -f "$cs" ]; then
    gzip -d < "$cache_dest" > "$cs"
  fi
  if [ ! -x "$cs" ]; then
    chmod +x "$cs"
  fi
elif [[ "$cache_dest" == *.zip ]]; then
  cs="$(dirname "$cache_dest")/$(basename "$cache_dest" .zip).exe"
  if [ ! -f "$cs" ]; then
    unzip -p "$cache_dest" "$(basename "$cache_dest" .zip).exe" > "$cs"
  fi
fi

# If cs is not a valid file, fall back to the `cs` command in PATH
if [ ! -f "$cs" ]; then
  cs="$(command -v cs)"
fi

function to_bash_syntax {
  local S
  for S in "$@" ; do
    echo "$S" | sed -E -e 's#^set #export #' -e 's#%([A-Z_][A-Z_0-9]*)%#${\1}#g' | tr '\\' '/'
  done
}
if [[ $IS_WINDOWS ]]; then
  # needed for coursier version < 2.1.8, harmless otherwise
  IFS=$'\n'
  eval "$(to_bash_syntax `"$cs" java --env --jvm temurin:17` || to_bash_syntax `"$cs" java --env --jvm openjdk:1.17.0`)"
  unset IFS
else
  eval "$("$cs" java --env --jvm temurin:17 || "$cs" java --env --jvm openjdk:1.17.0)"
fi

# temporary, until we pass JPMS options to native-image,
# see https://www.graalvm.org/release-notes/22_2/#native-image
export USE_NATIVE_IMAGE_JAVA_PLATFORM_MODULE_SYSTEM=false

DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"

if [[ $IS_WINDOWS ]]; then
  exec "$DIR/millw" "$@"
else
  exec "$DIR/millw" $COMMAND
fi