Prepare for ICU upgrade to 56.1

scripts/update.sh

+#!/bin/bash
+# Copyright (c) 2016 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 is used to prepare for a major version update of ICU (e.g. from
+# 54.1 to 56.1). Running this script is step 1 in README.chromium.
+
+if [ $# -lt 1 ];
+then
+  echo "Usage: $0 version (e.g. '56-1')"
+  exit 1
+fi
+
+version="$1"
+repoprefix="http://source.icu-project.org/repos/icu/icu/tags/release-"
+repo="${repoprefix}${version}"
+treeroot="$(dirname "$0")/.."
+
+# Check if the repo for $version is available.
+svn ls "${repo}" > /dev/null 2>&1  || \
+    { echo "${repo} does not exist."; exit 2; }
+
+# clean up source/ and start afresh
+rm -rf "$treeroot/source"
+rm -f license.html readme.html APIChangeReport.html
+
+for file in source license.html readme.html APIChangeReport.html
+do
+  svn export --native-eol LF "${repo}/${file}" "${treeroot}/${file}"
+done
+
+# delete directories we don't care about
+for d in layout layoutex data/xml
+do
+  rm -rf "${treeroot}/source/${d}"
+done
+
+# Restore local data and configuration files.
+while read line
+do
+  # $line is not quoted to expand "*html.ucm".
+  git checkout -- "${treeroot}/source/data/"${line}
+done < "${treeroot}/scripts/data_files_to_preserve.txt"
+
+# Get runConfigureICU to work without source/layout(ex) directories.
+sed -r -i -e '/^ac_config_files=/ s:\ layout(ex)?/Makefile::g' \

[Mark Mentovai, 2016/01/07 18:25:32]

This is GNU sed usage. This won’t work on OS X, although nothing else about the
script or README.chromium indicates this limitation.

+  "${treeroot}/source/configure"