sky/build/PackagerInvoke

#!/bin/sh
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

RunCommand() {
  $@ >/dev/null
  return $?
}

EchoError() {
  echo "$@" 1>&2
}

AssertExists() {
  RunCommand ls $1
  if [ $? -ne 0 ]; then
    EchoError "The path $1 does not exist"
    exit -1
  fi
  return 0
}

PackageProject() {
  # Check that the project path was specified
  if [[ -z "$1" ]]; then
    EchoError "Project path not specified"
    exit -1
  fi

  # Check if pub exists
  RunCommand which pub
  if [[ $? -ne 0 ]]; then
    EchoError "Could not find 'pub'."
    EchoError "Did you install the Dart SDK?"
    exit -1
  fi

  local pub_path="$(which pub)"

  AssertExists $1
  local project_path=$1

  local derived_dir=${SOURCE_ROOT}/FlutterApplication/Generated
  RunCommand mkdir -p $derived_dir
  AssertExists $derived_dir

  local dart_main=${project_path}/lib/main.dart
  AssertExists $dart_main

  local package_root=${project_path}/packages
  AssertExists $package_root

  local icons_path=${project_path}/packages/material_design_icons/icons
  AssertExists $icons_path

  # Remove old build artifacts
  RunCommand rm -f ${derived_dir}/app.flx

  # Generate the new FLX file. The pub command must be run from the directory
  # containing the pubspec
  RunCommand pushd ${project_path}

  RunCommand ${pub_path} run sky_tools build                                   \
      --asset-base ${icons_path}                                               \
      --main ${dart_main}                                                      \
      --output-file ${derived_dir}/app.flx                                     \
      --package-root ${package_root}                                           \
      --precompiled

  if [[ $? -ne 0 ]]; then
    EchoError "Failed to package $1 ..."
    exit -1
  fi

  RunCommand popd

  echo "Project $1 successfully packaged..."
  return 0
}

PackageProject $1