release_linux_client.sh

#!/bin/bash -eu
#
# Copyright 2018 The Outline Authors
#
# 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.

# Downloads the files associated with the specified GitHub release and
# prepares a commit on a new branch from which a pull request can easily
# be made.

declare -a FILES=(
  Outline-Client.AppImage
  latest-linux.yml
)

function usage() {
  cat <<-EOM
Usage: $0 <tag>

Examples:
  $0 linux-v1.0.3
EOM
exit 1
}

while getopts h? opt; do
  case $opt in
    *) usage ;;
  esac
done
shift $((OPTIND-1))

if (( $# != 1 )); then
  usage
fi

readonly TAG="${1}"
readonly RELEASE_BASE=https://github.com/Jigsaw-Code/outline-client/releases/download/"${TAG}"

# Make sure we're on a clean and up to date master.
#
# Sample git status -sb -uno output (remove the leading "# "):
# ## my-feature-branch
# M client/some-modified-file
# M client/another-modified-file
if [[ $(git status -sb -uno | wc -l | tr -d ' ') != 1 ]]; then
  echo >&2 "Please stash changes before running this script."
  exit 1
fi
if ! git status -sb -uno | grep '^## master.*' > /dev/null; then
  echo >&2 "Please switch to the master branch."
  exit 1
fi

git pull -q

pushd client >/dev/null
for file in "${FILES[@]}"; do
  echo "${file}"
  curl -sfLO "${RELEASE_BASE}/${file}" || (
    echo "Could not download this file, are you sure this release exists?"
    exit 1
  )
done

# Update the stable download, i.e. that linked from getoutline.org.
cp Outline-Client.AppImage stable/

# Just the version number, e.g.:
#   linux-v1.0.3 -> v1.0.3
readonly VERSION=$(echo "${TAG}" | cut -d'-' -f2)

git checkout -b linux-client-"${VERSION}"
git commit -a -m "release linux client ${VERSION}"
git branch
git push origin linux-client-"${VERSION}"

popd >/dev/null