run

#!/usr/bin/env bash
set -euo pipefail

DIST_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

CALLER_MATHCODE_WEBUI_PORT_SET="${MATHCODE_WEBUI_PORT+x}"
CALLER_MATHCODE_WEBUI_PORT="${MATHCODE_WEBUI_PORT-}"
CALLER_MATHCODE_WEBUI_WORKSPACE_SET="${MATHCODE_WEBUI_WORKSPACE+x}"
CALLER_MATHCODE_WEBUI_WORKSPACE="${MATHCODE_WEBUI_WORKSPACE-}"

if [[ -f "$DIST_DIR/.env" ]]; then
  set -a
  source "$DIST_DIR/.env"
  set +a
fi

is_executable_file() {
  [[ -f "$1" && -x "$1" ]]
}

local_elan_tool_path() {
  local tool="$1"
  local elan_bin="$DIST_DIR/.local/elan/bin"
  if is_executable_file "$elan_bin/$tool"; then
    printf '%s\n' "$elan_bin/$tool"
    return 0
  fi
  if is_executable_file "$elan_bin/$tool.exe"; then
    printf '%s\n' "$elan_bin/$tool.exe"
    return 0
  fi
  return 1
}

if local_elan_tool_path lean >/dev/null && local_elan_tool_path lake >/dev/null; then
  unset ELAN_TOOLCHAIN
  export ELAN_HOME="$DIST_DIR/.local/elan"
  export PATH="$DIST_DIR/.local/elan/bin:$PATH"
fi

export MATHCODE_RELEASE_ROOT="$DIST_DIR"
export LEAN_PROJECT_DIR="${LEAN_PROJECT_DIR:-$DIST_DIR/lean-workspace}"

if [[ "${1:-}" == "webui" || "${1:-}" == "--webui" ]]; then
  shift
  if [[ ! -x "$DIST_DIR/mathcode-webui" ]]; then
    printf 'MathCode WebUI binary is not installed here yet. Run `bash setup.sh` first.\n' >&2
    exit 1
  fi
  if [[ "$CALLER_MATHCODE_WEBUI_PORT_SET" == "x" ]]; then
    export MATHCODE_WEBUI_PORT="$CALLER_MATHCODE_WEBUI_PORT"
  fi
  if [[ "$CALLER_MATHCODE_WEBUI_WORKSPACE_SET" == "x" ]]; then
    export MATHCODE_WEBUI_WORKSPACE="$CALLER_MATHCODE_WEBUI_WORKSPACE"
  fi
  export MATHCODE_WEBUI_ENV_LOADED=1
  exec "$DIST_DIR/mathcode-webui" "$@"
fi

if [[ ! -x "$DIST_DIR/mathcode" ]]; then
  printf 'MathCode binary is not installed here yet. Run `bash setup.sh` first.\n' >&2
  exit 1
fi

exec "$DIST_DIR/mathcode" "$@"