botica-director

#!/bin/bash
#
# Botica Director - Unix Launcher & Updater
#

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"
BOTICA_HOME="$SCRIPT_DIR/.botica"
LIB_DIR="$BOTICA_HOME/lib"
JAR_FILE="$LIB_DIR/botica-director.jar"
UPDATE_FILE="$LIB_DIR/botica-director.jar.update"
LATEST_RELEASE_URL="https://api.github.com/repos/isa-group/botica/releases/latest"

UPDATE_EXIT_CODE=99

check_java_version() {
  if ! type -p java >/dev/null; then
    echo "Error: Java is not installed or not in your PATH."
    echo "Please install Java 11 or higher and try again."
    return 1
  fi

  version=$("java" -version 2>&1 | awk -F[\"\._] '/version/ {print $2}')
  if [[ "$version" -lt 11 ]]; then
    echo "Error: You need at least Java 11 to run Botica. Found version: $version."
    echo "Please install Java 11 or higher and try again."
    return 1
  fi
  return 0
}

download_director() {
  echo "Botica Director not found. Downloading the latest version..."
  local tag
  tag=$(curl -sL "$LATEST_RELEASE_URL" | grep -oP '"tag_name": "\K(.*)(?=")')

  if [[ -z "$tag" ]]; then
    echo "Error: Could not determine the latest version from GitHub." >&2
    echo "Please check your internet connection and GitHub API status." >&2
    return 1
  fi

  local download_url="https://github.com/isa-group/botica/releases/download/$tag/botica-director.jar"
  echo "Downloading Botica Director version $tag..."

  mkdir -p "$LIB_DIR"
  if ! curl -# -L -o "$JAR_FILE" "$download_url"; then
    echo "Error: Failed to download Botica Director." >&2
    echo "Please check your internet connection." >&2
    rm -f "$JAR_FILE"
    return 1
  fi
  echo "Download complete."
}

if ! check_java_version; then
  exit 1
fi

if [[ ! -f "$JAR_FILE" ]]; then
  if ! download_director; then
    exit 1
  fi
fi

while true; do
  export BOTICA_WRAPPER_ACTIVE=true
  java -jar "$JAR_FILE" "$@"
  EXIT_CODE=$?

  if [[ $EXIT_CODE -eq $UPDATE_EXIT_CODE ]]; then
    UPDATE_FILE="${JAR_FILE}.update"
    if [[ -f "$UPDATE_FILE" ]]; then
      rm -f "$JAR_FILE"
      mv "$UPDATE_FILE" "$JAR_FILE"
      continue
    else
      echo "Error: Update requested, but the update file was not found (expected: $UPDATE_FILE)." >&2
      exit 1
    fi
  else
    exit $EXIT_CODE
  fi
done