ICU 56 step 2: Make the tree ready for local modifications

android/patch_locale.sh

 #!/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.
 
+treeroot="$(dirname "$0")/.."
+cd "${treeroot}"
+
+echo "Applying brkitr.patch"
+patch -p1 < android/brkitr.patch || { echo "failed to patch" >2; exit 1; }
+
 # Keep only the currencies used by the larget 60 economies in terms of GDP
 # with several more added in.
 # TODO(jshin): Use ucurr_isAvailable in ICU to drop more currencies.
 # See also http://en.wikipedia.org/wiki/List_of_circulating_currencies
 # Copied from scripts/trim_data.sh. Need to refactor.
-for currency in $(grep -v '^#' currencies.list)
+for currency in $(grep -v '^#' "${treeroot}/android/currencies.list")
 do
   OP=${KEEPLIST:+|}
   KEEPLIST=${KEEPLIST}${OP}${currency}
 done
 KEEPLIST="(${KEEPLIST})"
 
-cd "$(dirname "$0")/.."
-
-echo "Applying brkitr.patch"
-patch -p1 < android/brkitr.patch || { echo "failed to patch"; exit 1; }
-
 cd source/data
 
 for i in curr/*.txt
 do
   locale=$(basename $i .txt)
   [ $locale == 'supplementalData' ] && continue;
   echo "Overwriting $i for $locale"
   sed -n -r -i \
     '1, /^'${locale}'\{$/ p
      /^    "%%ALIAS"\{/p
@@ skipping 145 matching lines @@
   echo Overwriting $i...
   sed -r '/^    calendar\{$/,/^    \}$/ {
             /^    calendar\{$/p
             /^        '${CAL_PATTERN}'\{$/, /^        \}$/p
             /^    \}$/p
             d
           }' -i $i
 done
 
 echo DONE.