#!/bin/bash
# Copyright 2021 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

#### CATEGORY=Run, inspect and debug
### Provides a shortcut to the prebuilt GNU diagnostic tools

## usage: fx gnu TOOL [ARGUMENTS...]
##
##    -h|--help     Shows this help and lists all available GNU tools

source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/../lib/vars.sh || exit $?
readonly BINUTILS_BIN="${PREBUILT_3P_DIR}/binutils-gdb/${HOST_PLATFORM}/bin"

function binutils {
  fx-config-read

  if [[ $# -lt 1 ]]; then
    fx-command-help
    exit 1
  fi

  if [[ "$1" == -h || "$1" == "--help" ]]; then
    fx-print-command-help "$0"
    echo -e "\nThe list of GNU tools accessible is:"

    local f t
    for f in "$BINUTILS_BIN"/*; do
      if [[ -x "$f" ]]; then
        t="$(basename "$f")"
        echo "   $t"
      fi
    done
    exit 0
  fi

  local tool="${1}"
  shift
  local tool_path="${BINUTILS_BIN}/${tool}"

  if [[ ! -x "${tool_path}" ]]; then
    fx-error "Prebuilt GNU tool doesn't exist or is not executable: '${tool_path}'"
    exit 1
  fi

  "${tool_path}" "$@"
}

binutils "$@"