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#!/bin/bash
#
# Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
# SPDX-License-Identifier: MIT
#
#
# Script which uses the reuse license compliance tool: https://reuse.software/
# to do the following:
# (a) check armnn for compliance
# (b) generate an SPDX file
# (c) insert into the SPDX file before the individual files section, SPDX files for
# all the third-party header only source libraries used by Arm NN
# to create a comprehensive LICENSE.spdx file for the armnn source code distribution
#
# Note to run correctly the script has to be run from the armnn root directory like so:
#
# ./scripts/generate_spdx.sh
#
# Check if the parent directory name is armnn
# Get the name of the current directory
result=${PWD##*/} # to assign to a variable
result=${result:-/} # to correct for the case where PWD=/
if [[ $result != "armnn" ]]
then
echo "not running from armnn directory"
exit -2
fi
# Check that the third-party subdirectory exists
if [ ! -d "third-party" ]; then
echo "third-party directory does not exist."
exit -3
fi
# Check that armnn is compliant with version 3.0 of the REUSE Specification
reuse lint
if [[ $? -ne 0 ]]
then
echo " "
echo "please make armnn compliant with version 3.0 of the REUSE Specification before re-running"
exit -4
fi
# generate the SPDX file for the overall armnn package
reuse spdx > LICENSE.spdx
if [[ $? -ne 0 ]]
then
echo "generation of LICENSE.spdx file failed"
exit -5
else
echo " "
echo "LICENSE.spdx file generated"
echo " "
fi
# Add the license info for the third-party packages
# NOTE: they will be added before the first individual file entry
# which currently is './Android.bp'
# insert header comment before the line: FileName: ./Android.bp
sed -i '/FileName: \.\/Android.bp/i \
##### Source dependencies \
# Header only libraries from the armnn source repository third-party folder \
# NOTE: fmt has a small .cc file that needs to be compiled in order to work hence the libfmt.a below in the static dependencies \
' LICENSE.spdx
# iterate over the LICENSE.spdx files in the third-party directory and
# put their contents into the top level LICENSE.spdx file
# before the line: FileName: ./Android.bp
for i in ./third-party/**/LICENSE.spdx;
do
echo "inserting license $i"
sed -i "/FileName: \.\/Android.bp/e cat $i" LICENSE.spdx
sed -i '/FileName: \.\/Android.bp/i \
' LICENSE.spdx
done
# Mark the start of the individual files section of the file with a comment
sed -i '/FileName: \.\/Android.bp/i \
##### Individual Files \
' LICENSE.spdx
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