add bash completion script for repo
From Chromium [1] [1] http://git.chromium.org/gitweb/?p=chromiumos/platform/dev-util.git;a=blob_plain;f=host/repo_bash_completion;hb=master Change-Id: If246a455244505b26f854ba83d662341d9353592
This commit is contained in:
Chirayu Desai
Gerrit Code Review
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// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Programmable completion for some Chromium OS build scripts.
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_list_repo_commands() {
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local repo=${COMP_WORDS[0]}
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"${repo}" help --all | grep -E '^ ' | sed 's/ \([^ ]\+\) .\+/\1/'
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}
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_list_repo_branches() {
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local repo=${COMP_WORDS[0]}
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"${repo}" branches 2>&1 | grep \| | sed 's/[ *][Pp ] *\([^ ]\+\) .*/\1/'
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}
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_list_repo_projects() {
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local repo=${COMP_WORDS[0]}
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local manifest=$(mktemp)
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"${repo}" manifest -o "${manifest}" >& /dev/null
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grep 'project name=' "${manifest}" | sed 's/.\+name="\([^"]\+\)".\+/\1/'
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rm -f "${manifest}" >& /dev/null
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}
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# Complete the repo <command> argument.
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_complete_repo_command() {
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[ ${COMP_CWORD} -eq 1 ] || return 1
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local command=${COMP_WORDS[1]}
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COMPREPLY=($(compgen -W "$(_list_repo_commands)" -- "${command}"))
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return 0
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}
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_complete_repo_arg() {
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[ ${COMP_CWORD} -gt 1 ] || return 1
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local command=${COMP_WORDS[1]}
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local current=${COMP_WORDS[COMP_CWORD]}
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if [[ ${command} == "abandon" ]]; then
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if [[ ${COMP_CWORD} -eq 2 ]]; then
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COMPREPLY=($(compgen -W "$(_list_repo_branches)" -- "${current}"))
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else
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COMPREPLY=($(compgen -W "$(_list_repo_projects)" -- "${current}"))
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fi
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return 0
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fi
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if [[ ${command} == "help" ]]; then
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[ ${COMP_CWORD} -eq 2 ] && \
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COMPREPLY=($(compgen -W "$(_list_repo_commands)" -- "${current}"))
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return 0
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fi
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if [[ ${command} == "start" ]]; then
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[ ${COMP_CWORD} -gt 2 ] && \
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COMPREPLY=($(compgen -W "$(_list_repo_projects)" -- "${current}"))
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return 0
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fi
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return 1
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}
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# Complete the repo arguments.
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_complete_repo() {
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COMPREPLY=()
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_complete_repo_command && return 0
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_complete_repo_arg && return 0
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return 0
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}
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complete -F _complete_repo repo
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# Add a way to get the "m" branch from repo easily; used by __git_branch_ps1()
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#
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# Repo seems to maintain a phony 'm/' remote and it always seems to be the name
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# of the manifest branch. This will retrieve it.
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__git_m_branch() {
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local git_dir=$(git rev-parse --git-dir 2> /dev/null)
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if [ -n "${git_dir}" ]; then
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echo $(cd ${git_dir}/refs/remotes/m 2> /dev/null && ls)
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fi
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}
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# A "subclass" of __git_ps1 that adds the manifest branch name into the prompt.
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# ...if you're on manifest branch "0.11.257.B" and local branch "lo" and
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# pass " (%s)", we'll output " (0.11.257.B/lo)". Note that we'll never show
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# the manifest branch 'master', since it's so common.
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__git_branch_ps1() {
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local format_str="${1:- (%s)}"
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local m_branch=$(__git_m_branch)
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if [ "${m_branch}" != "master" -a -n "${m_branch}" ]; then
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format_str=$(printf "${format_str}" "${m_branch}/%s")
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fi
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# for subshells, prefix the prompt with the shell nesting level
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local lshlvl=""
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[ ! -z "${SHLVL##*[!0-9]*}" ] && [ ${SHLVL} -gt 1 ] && lshlvl="${SHLVL} "
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__git_ps1 "${lshlvl}${format_str}"
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}
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# Prompt functions should not error when in subshells
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export -f __gitdir
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export -f __git_ps1
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export -f __git_m_branch
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export -f __git_branch_ps1
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