#!/bin/sh
# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.


# This script sets up the necessary tools that we use to generate *.pb.go
# files from *.proto files safely into its own directory.
#
# The rest of the arguments are the command to be run.
#
# It is intended to be used in `//go:generate` to be invoked
# by `go generate` to run protoc.

die() { 1>&2 printf '%s\n' "$@"; exit 1; }

mydir="$(realpath "$(dirname "$0")")"
test -d "$mydir" || die 'cannot find myself'

test -d "$mydir/cipd" || cipd init "$mydir/cipd" || die 'cannot install'
cipd install -root "$mydir/cipd" 'infra/3pp/tools/protoc/${platform}' 'version:3@35.0' > /dev/null || die 'cannot install'

export PATH="${mydir}/cipd/bin:${mydir}:${PATH}"
exec "$@"
