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      1 #!/bin/bash
      2 # Copyright 2016 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 
     16 set -eu
     17 
     18 GITHUB_URL="https://github.com/google/styleguide/raw/gh-pages"
     19 SCRIPT_DIR="$(dirname "$(readlink -f -- "$0")")"
     20 
     21 usage() {
     22   cat <<EOF
     23 Usage: $0
     24 
     25 Helper script to quickly update the bundled cpplint.py script.
     26 
     27 EOF
     28 
     29   if [[ $# -ne 0 ]]; then
     30     echo "ERROR: $*" 2>&1
     31     exit 1
     32   else
     33     exit 0
     34   fi
     35 }
     36 
     37 main() {
     38   while [[ $# -gt 0 ]]; do
     39     case $1 in
     40     -h|--help) usage;;
     41     -x) set -x;;
     42     *) usage "Unknown option: $1";;
     43     esac
     44     shift
     45   done
     46 
     47   # Download cpplint.py from upstream.
     48   local cpplint_py="${SCRIPT_DIR}/cpplint.py"
     49   wget "${GITHUB_URL}/cpplint/cpplint.py" -O "${cpplint_py}"
     50   sed -i '2i# pylint: skip-file' "${cpplint_py}"
     51   chmod +x "${cpplint_py}"
     52 }
     53 
     54 main "$@"
     55