tailscale/scripts/check_license_headers.sh
Sonia Appasamy 5f40b8a0bc scripts/check_license_headers: enforce license on ts/tsx files
Enforcing inclusion of our OSS license at the top of .ts and .tsx
files. Also updates any relevant files in the repo that were
previously missing the license comment. An additional `@license`
comment is added to client/web/src/index.tsx to preserve the
license in generated Javascript.

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-11-28 13:57:09 -05:00

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#!/bin/sh
#
# Copyright (c) Tailscale Inc & AUTHORS
# SPDX-License-Identifier: BSD-3-Clause
#
# check_license_headers.sh checks that all Go files in the given
# directory tree have a correct-looking Tailscale license header.
check_file() {
got=$1
want=$(cat <<EOF
// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
EOF
)
if [ "$got" = "$want" ]; then
return 0
fi
return 1
}
if [ $# != 1 ]; then
echo "Usage: $0 rootdir" >&2
exit 1
fi
fail=0
for file in $(find $1 \( -name '*.go' -or -name '*.tsx' -or -name '*.ts' -not -name '*.config.ts' \) -not -path '*/.git/*' -not -path '*/node_modules/*'); do
case $file in
$1/tempfork/*)
# Skip, tempfork of third-party code
;;
$1/wgengine/router/ifconfig_windows.go)
# WireGuard copyright.
;;
$1/cmd/tailscale/cli/authenticode_windows.go)
# WireGuard copyright.
;;
*_string.go)
# Generated file from go:generate stringer
;;
$1/control/controlbase/noiseexplorer_test.go)
# Noiseexplorer.com copyright.
;;
*/zsyscall_windows.go)
# Generated syscall wrappers
;;
*)
header="$(head -2 $file)"
if ! check_file "$header"; then
fail=1
echo "${file#$1/} doesn't have the right copyright header:"
echo "$header" | sed -e 's/^/ /g'
fi
;;
esac
done
if [ $fail -ne 0 ]; then
exit 1
fi