blob: bb07af781c3126ad01be515f52be1bba868a0d45 [file] [log] [blame]
# Copyright 2021 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# The functions here are used to compile Dart commands, but may be generalized
# later to support compiling other tools if needed. This functionality is also
# covered by host-tools code, but host-tools doesn't correctly generate the
# metadata entries in //out/default/tool_paths.json for Dart binaries.
# Build the tool, but only if necessary.
function _build {
local target="$1"
local executable="$2"
fx-info "Building required tool \"${target}\"..."
if ! fx-command-run build "${target}"; then
fx-error "Could not compile ${executable##*/}"
exit 1
# Run a dart tool, checking first if it needs to be built. The calling script
# must call `fx-config-read` before calling this function because it depends on
function run-dart-tool {
local tool_name="$1"
local executable="${HOST_OUT_DIR}/dart-tools/${tool_name}"
local tool_build_target="${HOST_OUT_DIR##*/}/dart-tools/${tool_name}"
# Rebuild if the binary isn't present. Generally, the Dart executable is
# rebuilt as part of an `fx build` so always up-to-date.
if [[ ! -f "${executable}" ]]; then
_build "${tool_build_target}" "${executable}"
"${executable}" "$@"
local status=$?
if [[ "${status}" == 253 ]]; then
# This error typically occurs when files that the executable depends on
# have been updated, but the executable itself has not. Rebuilding the
# command.
_build "${tool_build_target}" "${executable}"
"${executable}" "$@"
exit "${status}"