1#!/bin/bash
2
3# Copyright 2013 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7# Source this file into your shell to gain the cr function and tab completion
8# for it
9
10# Make sure we're being sourced (possibly by another script). Check for bash
11# since zsh sets $0 when sourcing.
12if [[ -n "$BASH_VERSION" && "${BASH_SOURCE:-$0}" == "$0" ]]; then
13  echo "ERROR: cr-bash-helpers.sh must be sourced."
14  exit 1
15fi
16
17READLINK_e=("readlink" "-e")
18if [[ -x `which greadlink` ]]; then
19  READLINK_e=("greadlink" "-e")
20fi
21
22cr_base_dir=$(dirname $(${READLINK_e[@]} "${BASH_SOURCE:-$0}"))
23cr_main="${cr_base_dir}/main.py"
24cr_exec=("PYTHONDONTWRITEBYTECODE=1" "python" "${cr_main}")
25
26# The main entry point to the cr tool.
27# Invokes the python script with pyc files turned off.
28function cr() {
29  env ${cr_exec[@]} "$@"
30}
31
32# Attempts to cd to the root/src of the current client.
33function crcd() {
34  cd $(cr info -s CR_SRC)
35}
36
37# Add to your PS1 to have the current selected output directory in your prompt
38function _cr_ps1() {
39  cr info -s CR_OUT_FULL
40}
41
42# The tab completion handler, delegates into the python script.
43function _cr_complete() {
44  COMPREPLY=()
45  local cur="${COMP_WORDS[COMP_CWORD]}"
46  local main="python -B "${cr_main}")"
47  local completions="$(env COMP_CWORD=${COMP_CWORD} \
48      COMP_WORD=${cur} \
49      ${cr_exec[@]})"
50  COMPREPLY=( $(compgen -W "${completions}" -- ${cur}) )
51}
52
53# Setup the bash auto complete
54complete -F _cr_complete cr
55