use-latest-deps-flutter.sh

#!/usr/bin/env bash

# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

print_usage () {
  (>&2 echo "Usage:")
  (>&2 echo "    $0 [-d] github-user/repository-name")
  (>&2 echo "Arguments:")
  (>&2 echo "    -d: do a dry-run. Don't push or send a PR.")
}

# Check for optional arguments.
DRYRUN=0
while getopts :d opt; do
  case $opt in
    d)
      (>&2 echo "Entered dry-run mode.")
      DRYRUN=1
      ;;
    \?)
      (>&2 echo "Got invalid option -$OPTARG.")
      print_usage
      exit 1
      ;;
  esac
done
shift $((OPTIND-1))


# Check that positional arguments are set.
if [[ -z $1 ]] ; then
  (>&2 echo "Missing repo argument.")
  print_usage
  exit 1
fi
if [[ "$1" != *"/"* ]] ; then
  (>&2 echo "Repo argument needs to be of form username/repo-name.")
  print_usage
  exit 1
fi
REPO=$1


# Get this script's directory.
# http://stackoverflow.com/a/246128/101923
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

## Install Flutter
git clone https://github.com/flutter/flutter.git --depth 1 -b stable "${DIR}/_flutter"
PATH="${PATH}:${DIR}/_flutter/bin"

set -e
set -x

# Find and update each pubspec.yml
find . -iname pubspec.yaml -execdir flutter pub upgrade \;

# If there were any changes, test them and then push and send a PR.
set +e
if ! git diff --quiet; then
  if [[ "$DRYRUN" -eq 0 ]] ; then
    set -e
    "${DIR}/commit-and-push.sh"
    "${DIR}/send-pr.sh" "$REPO"
  fi
fi