fayalite/scripts/check-copyright.sh

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#!/bin/bash
# SPDX-License-Identifier: LGPL-3.0-or-later
# See Notices.txt for copyright information
set -e
function fail()
{
local error="$1"
echo "error: $error" >&2
exit 1
}
function fail_file()
{
local file="$1" line="$2" error="$3"
fail "$file:$((line + 1)): $error"
}
function check_file()
{
local file="$1" regexes=("${@:2}")
local lines
mapfile -t lines < "$file"
local line
for line in "${!regexes[@]}"; do
eval '[[ "${lines[i]}" =~ '"${regexes[i]}"' ]]' ||
fail_file "$file" "$line" "doesn't match regex: ${regexes[i]}"
done
}
POUND_HEADER=('^"# SPDX-License-Identifier: LGPL-3.0-or-later"$' '^"# See Notices.txt for copyright information"$')
SLASH_HEADER=('^"// SPDX-License-Identifier: LGPL-3.0-or-later"$' '^"// See Notices.txt for copyright information"$')
MD_HEADER=('^"<!--"$' '^"SPDX-License-Identifier: LGPL-3.0-or-later"$' '^"See Notices.txt for copyright information"$')
JSON_HEADER=('^"{"$' '^" \"license_header\": ["$' '^" \"SPDX-License-Identifier: LGPL-3.0-or-later\","$' '^" \"See Notices.txt for copyright information\""')
function main()
{
local IFS=$'\n'
[[ -z "$(git status --porcelain)" ]] || fail "git repo is dirty"
local file
for file in $(git ls-tree --name-only --full-tree -r HEAD); do
case "/$file" in
/Cargo.lock)
# generated file
;;
*/LICENSE.md|*/Notices.txt)
# copyright file
;;
/crates/fayalite/tests/ui/*.stderr)
# file that can't contain copyright header
;;
/.forgejo/workflows/*.yml|*/.gitignore|*.toml)
check_file "$file" "${POUND_HEADER[@]}"
;;
*.md)
check_file "$file" "${MD_HEADER[@]}"
;;
*.sh)
check_file "$file" '^'\''#!'\' "${POUND_HEADER[@]}"
;;
*.rs)
check_file "$file" "${SLASH_HEADER[@]}"
;;
*.json)
check_file "$file" "${JSON_HEADER[@]}"
;;
*)
fail_file "$file" 0 "unimplemented file kind -- you need to add it to $0"
;;
esac
done
}
main