glib/.gitlab-ci/run-reuse.sh
Philip Withnall b906d470c7 ci: Add a CI check for REUSE-compliant licensing/copyright headers
This doesn’t enforce licensing/copyright headers to be present on all
files, but does check that at least a minimum number of files are
correct.

This should help avoid new files being added without appropriate
licensing information in future.

The baseline is set at what `reuse lint` outputs for me at the moment.

See https://reuse.software/tutorial/#step-2 for information about how to
add REUSE-compliant licensing/copyright to files.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Helps: #1415
2022-11-08 15:50:59 +00:00

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#!/bin/bash
#
# Copyright 2022 Endless OS Foundation, LLC
#
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# Original author: Philip Withnall
set -e
# We need to make sure the submodules are up to date, or `reuse lint` will fail
# when it tries to run `git status` internally
git submodule update --init
# Run `reuse lint` on the code base and see if the number of files without
# suitable copyright/licensing information has increased from a baseline
# FIXME: Eventually this script can check whether *any* files are missing
# information. But for now, lets slowly improve the baseline.
files_without_copyright_information_max=407
files_without_license_information_max=559
# The || true is because `reuse lint` will exit with status 1 if the project is not compliant
# FIXME: Once https://github.com/fsfe/reuse-tool/issues/512 or
# https://github.com/fsfe/reuse-tool/issues/183 land, we can check only files
# which have changed in this merge request, and confidently parse structured
# output rather than the current human-readable output.
lint_output="$(reuse lint || true)"
files_with_copyright_information="$(echo "${lint_output}" | awk '/^\* Files with copyright information: / { print $6 }')"
files_with_license_information="$(echo "${lint_output}" | awk '/^\* Files with license information: / { print $6 }')"
total_files="$(echo "${lint_output}" | awk '/^\* Files with copyright information: / { print $8 }')"
error=0
files_without_copyright_information="$(( total_files - files_with_copyright_information ))"
files_without_license_information="$(( total_files - files_with_license_information ))"
if [ "${files_without_copyright_information}" -gt "${files_without_copyright_information_max}" ] || \
[ "${files_without_license_information}" -gt "${files_without_license_information_max}" ]; then
echo "${lint_output}"
fi
if [ "${files_without_copyright_information}" -gt "${files_without_copyright_information_max}" ]; then
echo ""
echo "Error: New files added without REUSE-compliant copyright information"
echo "Please make sure that all files added in this branch/merge request have correct copyright information"
error=1
fi
if [ "${files_without_license_information}" -gt "${files_without_license_information_max}" ]; then
echo ""
echo "Error: New files added without REUSE-compliant licensing information"
echo "Please make sure that all files added in this branch/merge request have correct license information"
error=1
fi
if [ "${error}" -eq "1" ]; then
echo ""
echo "See https://reuse.software/tutorial/#step-2 for information on how to add REUSE information"
echo "Also see https://gitlab.gnome.org/GNOME/glib/-/issues/1415"
fi
exit "${error}"