#!/bin/bash # # Copyright (c) 2018 nexB Inc. http://www.nexb.com/ - All rights reserved. # # A minimal shell wrapper to the CLI entry point fo TraceCode ################################################################################### # from https://raw.githubusercontent.com/mkropat/sh-realpath/58c03982cfd8accbcf0c4426a4adf0f120a8b2bb/realpath.sh # realpath emulation for portability on *nix # this allow running scancode from aribtrary locations and from symlinks # # Copyright (c) 2014 Michael Kropat # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. realpath() { canonicalize_path "$(resolve_symlinks "$1")" } resolve_symlinks() { _resolve_symlinks "$1" } _resolve_symlinks() { _assert_no_path_cycles "$@" || return local dir_context path path=$(readlink -- "$1") if [ $? -eq 0 ]; then dir_context=$(dirname -- "$1") _resolve_symlinks "$(_prepend_dir_context_if_necessary "$dir_context" "$path")" "$@" else printf '%s\n' "$1" fi } _prepend_dir_context_if_necessary() { if [ "$1" = . ]; then printf '%s\n' "$2" else _prepend_path_if_relative "$1" "$2" fi } _prepend_path_if_relative() { case "$2" in /* ) printf '%s\n' "$2" ;; * ) printf '%s\n' "$1/$2" ;; esac } _assert_no_path_cycles() { local target path target=$1 shift for path in "$@"; do if [ "$path" = "$target" ]; then return 1 fi done } canonicalize_path() { if [ -d "$1" ]; then _canonicalize_dir_path "$1" else _canonicalize_file_path "$1" fi } _canonicalize_dir_path() { (cd "$1" 2>/dev/null && pwd -P) } _canonicalize_file_path() { local dir file dir=$(dirname -- "$1") file=$(basename -- "$1") (cd "$dir" 2>/dev/null && printf '%s/%s\n' "$(pwd -P)" "$file") } ################################################################################### # Now run scancode proper TRACECODE_BIN="$( realpath "${BASH_SOURCE[0]}" )" TRACECODE_ROOT_DIR="$( cd "$( dirname "${TRACECODE_BIN}" )" && pwd )" TRACECODE_CONFIGURED_PYTHON="$TRACECODE_ROOT_DIR/bin/python" if [ ! -f "$TRACECODE_CONFIGURED_PYTHON" ]; then echo "* Configuring TraceCode for first use..." CONFIGURE_QUIET=1 "$TRACECODE_ROOT_DIR/configure" etc/conf fi "$TRACECODE_ROOT_DIR/bin/tracecode" "$@"