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https://github.com/edk2-porting/linux-next.git
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6e0dc374a2
The completion words $words and $cword are available, so we might as well use them instead of directly accessing COMP_WORDS. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/1372941691-14684-8-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
127 lines
2.9 KiB
Bash
127 lines
2.9 KiB
Bash
# perf completion
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# Taken from git.git's completion script.
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__my_reassemble_comp_words_by_ref()
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{
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local exclude i j first
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# Which word separators to exclude?
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exclude="${1//[^$COMP_WORDBREAKS]}"
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cword_=$COMP_CWORD
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if [ -z "$exclude" ]; then
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words_=("${COMP_WORDS[@]}")
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return
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fi
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# List of word completion separators has shrunk;
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# re-assemble words to complete.
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for ((i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
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# Append each nonempty word consisting of just
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# word separator characters to the current word.
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first=t
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while
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[ $i -gt 0 ] &&
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[ -n "${COMP_WORDS[$i]}" ] &&
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# word consists of excluded word separators
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[ "${COMP_WORDS[$i]//[^$exclude]}" = "${COMP_WORDS[$i]}" ]
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do
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# Attach to the previous token,
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# unless the previous token is the command name.
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if [ $j -ge 2 ] && [ -n "$first" ]; then
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((j--))
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fi
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first=
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words_[$j]=${words_[j]}${COMP_WORDS[i]}
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if [ $i = $COMP_CWORD ]; then
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cword_=$j
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fi
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if (($i < ${#COMP_WORDS[@]} - 1)); then
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((i++))
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else
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# Done.
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return
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fi
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done
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words_[$j]=${words_[j]}${COMP_WORDS[i]}
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if [ $i = $COMP_CWORD ]; then
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cword_=$j
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fi
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done
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}
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type _get_comp_words_by_ref &>/dev/null ||
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_get_comp_words_by_ref()
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{
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local exclude cur_ words_ cword_
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if [ "$1" = "-n" ]; then
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exclude=$2
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shift 2
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fi
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__my_reassemble_comp_words_by_ref "$exclude"
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cur_=${words_[cword_]}
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while [ $# -gt 0 ]; do
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case "$1" in
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cur)
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cur=$cur_
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;;
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prev)
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prev=${words_[$cword_-1]}
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;;
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words)
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words=("${words_[@]}")
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;;
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cword)
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cword=$cword_
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;;
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esac
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shift
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done
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}
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type __ltrim_colon_completions &>/dev/null ||
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__ltrim_colon_completions()
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{
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if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
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# Remove colon-word prefix from COMPREPLY items
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local colon_word=${1%"${1##*:}"}
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local i=${#COMPREPLY[*]}
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while [[ $((--i)) -ge 0 ]]; do
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COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
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done
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fi
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}
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type perf &>/dev/null &&
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_perf()
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{
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local cur words cword prev cmd
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COMPREPLY=()
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_get_comp_words_by_ref -n =: cur words cword prev
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cmd=${words[0]}
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# List perf subcommands or long options
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if [ $cword -eq 1 ]; then
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if [[ $cur == --* ]]; then
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COMPREPLY=( $( compgen -W '--help --version \
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--exec-path --html-path --paginate --no-pager \
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--perf-dir --work-tree --debugfs-dir' -- "$cur" ) )
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else
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cmds=$($cmd --list-cmds)
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COMPREPLY=( $( compgen -W '$cmds' -- "$cur" ) )
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fi
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# List possible events for -e option
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elif [[ $prev == "-e" && "${words[1]}" == @(record|stat|top) ]]; then
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evts=$($cmd list --raw-dump)
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COMPREPLY=( $( compgen -W '$evts' -- "$cur" ) )
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__ltrim_colon_completions $cur
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# List long option names
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elif [[ $cur == --* ]]; then
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subcmd=${words[1]}
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opts=$($cmd $subcmd --list-opts)
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COMPREPLY=( $( compgen -W '$opts' -- "$cur" ) )
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fi
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} &&
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complete -o bashdefault -o default -o nospace -F _perf perf 2>/dev/null \
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|| complete -o default -o nospace -F _perf perf
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