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#!/bin/bash

# SPDX-License-Identifier: Apache-2.0

# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.

# ScanCode is a trademark of nexB Inc.

# See https://github.com/nexB/extractcode for support or download.

# See https://aboutcode.org for more information about nexB OSS projects.

# A minimal shell wrapper to the CLI entry point fo ExtractCode

###################################################################################

# from https://raw.githubusercontent.com/mkropat/sh-realpath/58c03982cfd8accbcf0c4426a4adf0f120a8b2bb/realpath.sh

# realpath emulation for portability on *nix

# this allow running scancode from arbitrary locations and from symlinks

# 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"

}

_prepend_dir_context_if_necessary() {

if [ "$1" = . ]; then

printf '%s\n' "$2"

else

_prepend_path_if_relative "$1" "$2"

}

_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

done

}

canonicalize_path() {

if [ -d "$1" ]; then

_canonicalize_dir_path "$1"

else

_canonicalize_file_path "$1"

}

_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

EXTRACTCODE_BIN="$( realpath "${BASH_SOURCE[0]}" )"

EXTRACTCODE_ROOT_DIR="$( cd "$( dirname "${EXTRACTCODE_BIN}" )" && pwd )"

EXTRACTCODE_CONFIGURED_PYTHON="$EXTRACTCODE_ROOT_DIR/tmp/bin/python"

if [ ! -f "$EXTRACTCODE_CONFIGURED_PYTHON" ]; then

echo "* Configuring ExtractCode for first use..."

CONFIGURE_QUIET=1 "$EXTRACTCODE_ROOT_DIR/configure"

"$EXTRACTCODE_ROOT_DIR/tmp/bin/extractcode" "$@"

extractcode/extractcode at main · aboutcode-org/extractcode · GitHub

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