[Chromoting] Sign, brand and version the me2me_host

remoting/host/installer/mac/do_signing.sh

Index: remoting/host/installer/mac/do_signing.sh
===================================================================
--- remoting/host/installer/mac/do_signing.sh	(revision 0)
+++ remoting/host/installer/mac/do_signing.sh	(working copy)
@@ -0,0 +1,159 @@
+#!/bin/sh
+
+# Copyright (c) 2012 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.
+
+# This script signs the Chromoting binaries, builds the Chrome Remote Desktop
+# installer and then packages it into a .dmg.  It requires that Iceberg be
+# installed (for 'freeze').
+#
+# usage: sign_and_build.sh output_dir input_dir codesign_keychain codesign_id
+#
+# The final disk image (dmg) is placed in |output_dir|.
+
+set -e -u
+
+# Binaries to sign.
+ME2ME_HOST=PrivilegedHelperTools/org.chromium.chromoting.me2me_host
+
+# Iceberg creates this directory to write its output.
+PKG_DIR=build
+
+# The Chromoting Host installer is a meta-package that consists of 3
+# components:
+#  * Chromoting Host Service package
+#  * Chromoting Host Uninstaller package
+#  * Keystone package(GoogleSoftwareUpdate - for Official builds only)
+PKGPROJ_HOST='ChromotingHost.packproj'
+PKGPROJ_HOST_SERVICE='ChromotingHostService.packproj'
+PKGPROJ_HOST_UNINSTALLER='ChromotingHostUninstaller.packproj'
+
+# Final mpkg name (for Official builds).
+PKG_FINAL='ChromeRemoteDesktopHost.mpkg'
+
+DMG_TEMP=dmg_tmp
+DMG_NAME='Chrome Remote Desktop'
+DMG_DIR="${DMG_TEMP}/${DMG_NAME}"
+DMG_FILENAME='Chrome Remote Desktop.dmg'
+
+ME="$(basename "${0}")"
+readonly ME
+
+err() {
+  echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: ${@}" >&2
+}
+
+err_exit() {
+  err "${@}"
+  exit 1
+}
+
+# shell_safe_path ensures that |path| is safe to pass to tools as a
+# command-line argument. If the first character in |path| is "-", "./" is
+# prepended to it. The possibly-modified |path| is output.
+shell_safe_path() {
+  local path="${1}"
+  if [[ "${path:0:1}" = "-" ]]; then
+    echo "./${path}"
+  else
+    echo "${path}"
+  fi
+}
+
+verify_empty_dir() {
+  local dir="${1}"
+  if [[ ! -d "${dir}" ]]; then
+    mkdir "${dir}"
+  fi
+
+  shopt -s nullglob dotglob
+  local dir_contents=("${dir}"/*)
+  shopt -u nullglob dotglob
+
+  if [[ ${#dir_contents[@]} -ne 0 ]]; then
+    err "output directory must be empty"
+    exit 1
+  fi
+}
+
+sign_binaries() {
+  local input_dir="${1}"
+  local keychain="${2}"
+  local id="${3}"
+
+  me2me_host="${input_dir}/${ME2ME_HOST}"
+  if [[ ! -f "${me2me_host}" ]]; then
+    err_exit "Input file doesn't exist: ${me2me_host}"
+  fi
+
+  echo Signing "${me2me_host}"
+  codesign -vv -s "${id}" --keychain "${keychain}" "${me2me_host}"
+
+  # Verify signing.
+  codesign -v "${me2me_host}"
+}
+
+build_package() {
+  local pkg="${1}"
+  echo "Building .pkg from ${pkg}"
+  freeze "${pkg}"
+}
+
+build_packages() {
+  local input_dir="${1}"
+  build_package "${input_dir}/${PKGPROJ_HOST_SERVICE}"
+  build_package "${input_dir}/${PKGPROJ_HOST_UNINSTALLER}"
+  build_package "${input_dir}/${PKGPROJ_HOST}"
+}
+
+build_dmg() {
+  local input_dir="${1}"
+  local output_dir="${2}"
+
+  # TODO(garykac): Change this to use the pkg-dmg script.
+
+  # Create the .dmg.
+  echo "Building .dmg..."
+  mkdir -p "${input_dir}/${DMG_DIR}/${PKG_FINAL}"
+  # Copy .mpkg installer.
+  ditto "${input_dir}/${PKG_DIR}/${PKG_FINAL}" \
+      "${input_dir}/${DMG_DIR}/${PKG_FINAL}"
+  # Copy .keystone_install script to top level of .dmg.
+  # Keystone calls this script during upgrades.
+  cp "${input_dir}/Scripts/keystone_install.sh" \
+      "${input_dir}/${DMG_DIR}/.keystone_install"
+  # Build the .dmg from the directory.
+  hdiutil create "${output_dir}/${DMG_FILENAME}" \
+      -srcfolder "${input_dir}/${DMG_DIR}" -ov -quiet
+
+  if [[ ! -f "${output_dir}/${DMG_FILENAME}" ]]; then
+    err_exit "Unable to create disk image: ${DMG_FILENAME}"
+  fi
+}
+
+usage() {
+  echo "Usage: ${ME}: output_dir input_dir codesign_keychain codesign_id" >&2
+}
+
+main() {
+  local output_dir="$(shell_safe_path "${1}")"
+  local input_dir="$(shell_safe_path "${2}")"
+  local codesign_keychain="$(shell_safe_path "${3}")"
+  local codesign_id="${4}"
+
+  verify_empty_dir "${output_dir}"
+
+  sign_binaries "${input_dir}" "${codesign_keychain}" "${codesign_id}"
+  build_packages "${input_dir}"
+  # TODO(garykac): Sign final .mpkg.
+  build_dmg "${input_dir}" "${output_dir}"
+}
+
+if [[ ${#} -ne 4 ]]; then
+  usage
+  exit 1
+fi
+
+main "${@}"
+exit ${?}
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