utils/create_timestamp.gni

# Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

_dart_root = rebase_path("..")

template("create_timestamp_file") {
  assert(defined(invoker.path), "Must specify 'path'")
  assert(defined(invoker.output), "Must specify 'output'")
  new_base = "."
  if (defined(invoker.new_base)) {
    new_base = invoker.new_base
  }
  current_base = "."
  if (defined(invoker.current_base)) {
    current_base = invoker.current_base
  }
  path = invoker.path
  output = invoker.output
  action(target_name) {
    list_args = [path]
    if (defined(invoker.pattern)) {
      list_args += [invoker.pattern]
    }
    files = exec_script(
        "$_dart_root/tools/list_dart_files.py", list_args, "list lines")
    inputs = ["$_dart_root/tools/list_dart_files.py"] +
             rebase_path(files, new_base, current_base)
    outputs = [ output ]
    script = "$_dart_root/tools/create_timestamp_file.py"
    args = [ rebase_path(output) ]
  }
}