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77 lines
2.3 KiB
Bash
77 lines
2.3 KiB
Bash
# gclient_completion.sh
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#
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# This adds completion to bash shells for gclient commands. It is
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# meant for developers and not needed for inclusion by any automated
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# processes that will, of course, specify the full command, not rely
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# on or benefit from tab-completion.
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#
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# Requires:
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# bash-completion package for _get_comp_words_by_ref.
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# newer versions of sed for the improved regular expression handling.
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#
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# On Mac, this is accomplished by installing fink (www.finkproject.org)
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# then doing sudo apt-get update ; sudo apt-get install sed
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#
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# Usage:
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# Put something like the following in your .bashrc:
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# . $PATH_TO_DEPOT_TOOLS/gclient_completion.sh
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#
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# Parses commands from gclient -h.
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__gclient_commands () {
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gclient -h 2> /dev/null | sed -n 's/^\s*\x1b\[32m\(.*\)\x1b\[39m.*$/\1/p'
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}
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# Caches variables in __gclient_all_commands.
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# Adds "update" command, which is not listed.
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__gclient_compute_all_commands () {
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test -n "$__gclient_all_commands" ||
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__gclient_all_commands="$(__gclient_commands) update"
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}
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# Since gclient fetch is a passthrough to git, let the completions
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# come from git's completion if it's defined.
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if [[ -n _git_fetch ]]; then
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_gclient_fetch=_git_fetch
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fi
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# Completion callback for gclient cmdlines.
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_gclient () {
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local cur prev words cword
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_get_comp_words_by_ref -n =: cur prev words cword
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# Find the command by ignoring flags.
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local i c=1 cword_adjust=0 command
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while [ $c -lt $cword ]; do
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i="${words[$c]}"
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case "$i" in
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-*)
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((cword_adjust++))
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: ignore options ;;
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*) command="$i"; break ;;
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esac
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((c++))
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done
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# If there is a completion function for the command, use it and
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# return.
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local completion_func="_gclient_${command//-/_}"
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local -f $completion_func >/dev/null && $completion_func && return
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# If the command or hasn't been given, provide completions for all
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# commands. Also provide all commands as completion for the help
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# command.
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# echo "command=$command" >> /tmp/comp.log
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case "$command" in
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""|help)
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if [[ "$command" != help || $((cword - cword_adjust)) -le 2 ]]; then
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__gclient_compute_all_commands
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COMPREPLY=($(compgen -W "$__gclient_all_commands" $cur))
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fi
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;;
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*) : just use the default ;;
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esac
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} &&
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complete -F _gclient -o default gclient
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